[jira] Created: (GERONIMO-4732) click monitoring and delete the server localhost and there is an Error rendering portlet.

click monitoring and delete the server localhost and there is an Error rendering portlet.
-----------------------------------------------------------------------------------------

                 Key: GERONIMO-4732
                 URL: https://issues.apache.org/jira/browse/GERONIMO-4732
             Project: Geronimo
          Issue Type: Bug
      Security Level: public (Regular issues)
          Components: monitoring
    Affects Versions: 2.2
         Environment: windows xp sp2 32bit
JRE 1.6
            Reporter: liangkun
            Priority: Minor
             Fix For: 1.1.2


steps:
1.click the porlet and add a server localhost.
2.Add two Graphs:one is JVM Heap Size current,another is JVM Heap Size max.
3.view the graphs and they run well.
4 Delete the server and there is an error:rendering portlet.
Error rendering portlet.
java.lang.NullPointerException
        at jsp.WEB_002dINF.view.monitoringNormal_jsp._jspService(monitoringNormal_jsp.java:900)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
        at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
        at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
        at org.apache.pluto.internal.impl.PortletRequestDispatcherImpl.include(PortletRequestDispatcherImpl.java:106)
        at org.apache.geronimo.monitoring.console.MonitoringPortlet.normalView(MonitoringPortlet.java:455)
        at org.apache.geronimo.monitoring.console.MonitoringPortlet.doView(MonitoringPortlet.java:341)
        at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:247)
        at javax.portlet.GenericPortlet.render(GenericPortlet.java:175)
        at org.apache.geronimo.console.BasePortlet.render(BasePortlet.java:153)
        at org.apache.pluto.core.PortletServlet.dispatch(PortletServlet.java:208)
        at org.apache.pluto.core.PortletServlet.doGet(PortletServlet.java:139)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
        at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
        at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
        at org.apache.pluto.core.DefaultPortletInvokerService.invoke(DefaultPortletInvokerService.java:167)
        at org.apache.pluto.core.DefaultPortletInvokerService.render(DefaultPortletInvokerService.java:101)
        at org.apache.pluto.core.PortletContainerImpl.doRender(PortletContainerImpl.java:172)
        at org.apache.pluto.driver.tags.PortletTag.doStartTag(PortletTag.java:152)
        at jsp.WEB_002dINF.themes.portlet_002dskin_jsp._jspService(portlet_002dskin_jsp.java:102)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
        at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
        at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
        at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:968)
        at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspx_meth_c_005fforEach_005f0(default_002dtheme_jsp.java:215)
        at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspService(default_002dtheme_jsp.java:120)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
        at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
        at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
        at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
        at org.apache.pluto.driver.PortalDriverServlet.doGet(PortalDriverServlet.java:151)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.geronimo.console.filter.PlutoURLRebuildFilter.doFilter(PlutoURLRebuildFilter.java:48)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.geronimo.console.filter.XSSXSRFFilter.doFilter(XSSXSRFFilter.java:125)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525)
        at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:413)
        at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:567)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
        at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:361)
        at org.apache.geronimo.pool.ThreadPool$1.run(ThreadPool.java:214)
        at org.apache.geronimo.pool.ThreadPool$ContextClassLoaderRunnable.run(ThreadPool.java:344)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:896)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
        at java.lang.Thread.run(Thread.java:735)


Problems:
Now I click the porlet monitoring but there is no any response.So I can not add any monitoring.

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     [ https://issues.apache.org/jira/browse/GERONIMO-4732?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

viola.lu reassigned GERONIMO-4732:
----------------------------------

    Assignee: viola.lu

> click monitoring and delete the server localhost and there is an Error rendering portlet.
> -----------------------------------------------------------------------------------------
>
>                 Key: GERONIMO-4732
>                 URL: https://issues.apache.org/jira/browse/GERONIMO-4732
>             Project: Geronimo
>          Issue Type: Bug
>      Security Level: public(Regular issues)
>          Components: monitoring
>    Affects Versions: 2.2
>         Environment: windows xp sp2 32bit
> JRE 1.6
>            Reporter: liangkun
>            Assignee: viola.lu
>            Priority: Minor
>             Fix For: 1.1.2
>
>
> steps:
> 1.click the porlet and add a server localhost.
> 2.Add two Graphs:one is JVM Heap Size current,another is JVM Heap Size max.
> 3.view the graphs and they run well.
> 4 Delete the server and there is an error:rendering portlet.
> Error rendering portlet.
> java.lang.NullPointerException
> at jsp.WEB_002dINF.view.monitoringNormal_jsp._jspService(monitoringNormal_jsp.java:900)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.pluto.internal.impl.PortletRequestDispatcherImpl.include(PortletRequestDispatcherImpl.java:106)
> at org.apache.geronimo.monitoring.console.MonitoringPortlet.normalView(MonitoringPortlet.java:455)
> at org.apache.geronimo.monitoring.console.MonitoringPortlet.doView(MonitoringPortlet.java:341)
> at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:247)
> at javax.portlet.GenericPortlet.render(GenericPortlet.java:175)
> at org.apache.geronimo.console.BasePortlet.render(BasePortlet.java:153)
> at org.apache.pluto.core.PortletServlet.dispatch(PortletServlet.java:208)
> at org.apache.pluto.core.PortletServlet.doGet(PortletServlet.java:139)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.pluto.core.DefaultPortletInvokerService.invoke(DefaultPortletInvokerService.java:167)
> at org.apache.pluto.core.DefaultPortletInvokerService.render(DefaultPortletInvokerService.java:101)
> at org.apache.pluto.core.PortletContainerImpl.doRender(PortletContainerImpl.java:172)
> at org.apache.pluto.driver.tags.PortletTag.doStartTag(PortletTag.java:152)
> at jsp.WEB_002dINF.themes.portlet_002dskin_jsp._jspService(portlet_002dskin_jsp.java:102)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:968)
> at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspx_meth_c_005fforEach_005f0(default_002dtheme_jsp.java:215)
> at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspService(default_002dtheme_jsp.java:120)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
> at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
> at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
> at org.apache.pluto.driver.PortalDriverServlet.doGet(PortalDriverServlet.java:151)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.console.filter.PlutoURLRebuildFilter.doFilter(PlutoURLRebuildFilter.java:48)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.console.filter.XSSXSRFFilter.doFilter(XSSXSRFFilter.java:125)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:413)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:567)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:361)
> at org.apache.geronimo.pool.ThreadPool$1.run(ThreadPool.java:214)
> at org.apache.geronimo.pool.ThreadPool$ContextClassLoaderRunnable.run(ThreadPool.java:344)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:896)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
> at java.lang.Thread.run(Thread.java:735)
> Problems:
> Now I click the porlet monitoring but there is no any response.So I can not add any monitoring.

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     [ https://issues.apache.org/jira/browse/GERONIMO-4732?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rex Wang updated GERONIMO-4732:
-------------------------------

         Priority: Major  (was: Minor)
    Fix Version/s:     (was: 1.1.2)
                   2.2

> click monitoring and delete the server localhost and there is an Error rendering portlet.
> -----------------------------------------------------------------------------------------
>
>                 Key: GERONIMO-4732
>                 URL: https://issues.apache.org/jira/browse/GERONIMO-4732
>             Project: Geronimo
>          Issue Type: Bug
>      Security Level: public(Regular issues)
>          Components: monitoring
>    Affects Versions: 2.2
>         Environment: windows xp sp2 32bit
> JRE 1.6
>            Reporter: liangkun
>            Assignee: viola.lu
>             Fix For: 2.2
>
>
> steps:
> 1.click the porlet and add a server localhost.
> 2.Add two Graphs:one is JVM Heap Size current,another is JVM Heap Size max.
> 3.view the graphs and they run well.
> 4 Delete the server and there is an error:rendering portlet.
> Error rendering portlet.
> java.lang.NullPointerException
> at jsp.WEB_002dINF.view.monitoringNormal_jsp._jspService(monitoringNormal_jsp.java:900)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.pluto.internal.impl.PortletRequestDispatcherImpl.include(PortletRequestDispatcherImpl.java:106)
> at org.apache.geronimo.monitoring.console.MonitoringPortlet.normalView(MonitoringPortlet.java:455)
> at org.apache.geronimo.monitoring.console.MonitoringPortlet.doView(MonitoringPortlet.java:341)
> at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:247)
> at javax.portlet.GenericPortlet.render(GenericPortlet.java:175)
> at org.apache.geronimo.console.BasePortlet.render(BasePortlet.java:153)
> at org.apache.pluto.core.PortletServlet.dispatch(PortletServlet.java:208)
> at org.apache.pluto.core.PortletServlet.doGet(PortletServlet.java:139)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.pluto.core.DefaultPortletInvokerService.invoke(DefaultPortletInvokerService.java:167)
> at org.apache.pluto.core.DefaultPortletInvokerService.render(DefaultPortletInvokerService.java:101)
> at org.apache.pluto.core.PortletContainerImpl.doRender(PortletContainerImpl.java:172)
> at org.apache.pluto.driver.tags.PortletTag.doStartTag(PortletTag.java:152)
> at jsp.WEB_002dINF.themes.portlet_002dskin_jsp._jspService(portlet_002dskin_jsp.java:102)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:968)
> at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspx_meth_c_005fforEach_005f0(default_002dtheme_jsp.java:215)
> at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspService(default_002dtheme_jsp.java:120)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
> at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
> at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
> at org.apache.pluto.driver.PortalDriverServlet.doGet(PortalDriverServlet.java:151)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.console.filter.PlutoURLRebuildFilter.doFilter(PlutoURLRebuildFilter.java:48)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.console.filter.XSSXSRFFilter.doFilter(XSSXSRFFilter.java:125)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:413)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:567)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:361)
> at org.apache.geronimo.pool.ThreadPool$1.run(ThreadPool.java:214)
> at org.apache.geronimo.pool.ThreadPool$ContextClassLoaderRunnable.run(ThreadPool.java:344)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:896)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
> at java.lang.Thread.run(Thread.java:735)
> Problems:
> Now I click the porlet monitoring but there is no any response.So I can not add any monitoring.

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viola.lu commented on GERONIMO-4732:
------------------------------------

which build you are using, i tested it on latest build 009.07.08-21:08:59.720-0400, seems no problem when adding both graphs.Pls recheck it, thanks.

> click monitoring and delete the server localhost and there is an Error rendering portlet.
> -----------------------------------------------------------------------------------------
>
>                 Key: GERONIMO-4732
>                 URL: https://issues.apache.org/jira/browse/GERONIMO-4732
>             Project: Geronimo
>          Issue Type: Bug
>      Security Level: public(Regular issues)
>          Components: monitoring
>    Affects Versions: 2.2
>         Environment: windows xp sp2 32bit
> JRE 1.6
>            Reporter: liangkun
>            Assignee: viola.lu
>             Fix For: 2.2
>
>
> steps:
> 1.click the porlet and add a server localhost.
> 2.Add two Graphs:one is JVM Heap Size current,another is JVM Heap Size max.
> 3.view the graphs and they run well.
> 4 Delete the server and there is an error:rendering portlet.
> Error rendering portlet.
> java.lang.NullPointerException
> at jsp.WEB_002dINF.view.monitoringNormal_jsp._jspService(monitoringNormal_jsp.java:900)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.pluto.internal.impl.PortletRequestDispatcherImpl.include(PortletRequestDispatcherImpl.java:106)
> at org.apache.geronimo.monitoring.console.MonitoringPortlet.normalView(MonitoringPortlet.java:455)
> at org.apache.geronimo.monitoring.console.MonitoringPortlet.doView(MonitoringPortlet.java:341)
> at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:247)
> at javax.portlet.GenericPortlet.render(GenericPortlet.java:175)
> at org.apache.geronimo.console.BasePortlet.render(BasePortlet.java:153)
> at org.apache.pluto.core.PortletServlet.dispatch(PortletServlet.java:208)
> at org.apache.pluto.core.PortletServlet.doGet(PortletServlet.java:139)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.pluto.core.DefaultPortletInvokerService.invoke(DefaultPortletInvokerService.java:167)
> at org.apache.pluto.core.DefaultPortletInvokerService.render(DefaultPortletInvokerService.java:101)
> at org.apache.pluto.core.PortletContainerImpl.doRender(PortletContainerImpl.java:172)
> at org.apache.pluto.driver.tags.PortletTag.doStartTag(PortletTag.java:152)
> at jsp.WEB_002dINF.themes.portlet_002dskin_jsp._jspService(portlet_002dskin_jsp.java:102)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:968)
> at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspx_meth_c_005fforEach_005f0(default_002dtheme_jsp.java:215)
> at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspService(default_002dtheme_jsp.java:120)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
> at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
> at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
> at org.apache.pluto.driver.PortalDriverServlet.doGet(PortalDriverServlet.java:151)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.console.filter.PlutoURLRebuildFilter.doFilter(PlutoURLRebuildFilter.java:48)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.console.filter.XSSXSRFFilter.doFilter(XSSXSRFFilter.java:125)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:413)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:567)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:361)
> at org.apache.geronimo.pool.ThreadPool$1.run(ThreadPool.java:214)
> at org.apache.geronimo.pool.ThreadPool$ContextClassLoaderRunnable.run(ThreadPool.java:344)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:896)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
> at java.lang.Thread.run(Thread.java:735)
> Problems:
> Now I click the porlet monitoring but there is no any response.So I can not add any monitoring.

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liangkun commented on GERONIMO-4732:
------------------------------------

My build is 2009.07.07 and the problem is not adding both graphs but deleting the server before you delete the two graphs the there is an error.

> click monitoring and delete the server localhost and there is an Error rendering portlet.
> -----------------------------------------------------------------------------------------
>
>                 Key: GERONIMO-4732
>                 URL: https://issues.apache.org/jira/browse/GERONIMO-4732
>             Project: Geronimo
>          Issue Type: Bug
>      Security Level: public(Regular issues)
>          Components: monitoring
>    Affects Versions: 2.2
>         Environment: windows xp sp2 32bit
> JRE 1.6
>            Reporter: liangkun
>            Assignee: viola.lu
>             Fix For: 2.2
>
>
> steps:
> 1.click the porlet and add a server localhost.
> 2.Add two Graphs:one is JVM Heap Size current,another is JVM Heap Size max.
> 3.view the graphs and they run well.
> 4 Delete the server and there is an error:rendering portlet.
> Error rendering portlet.
> java.lang.NullPointerException
> at jsp.WEB_002dINF.view.monitoringNormal_jsp._jspService(monitoringNormal_jsp.java:900)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.pluto.internal.impl.PortletRequestDispatcherImpl.include(PortletRequestDispatcherImpl.java:106)
> at org.apache.geronimo.monitoring.console.MonitoringPortlet.normalView(MonitoringPortlet.java:455)
> at org.apache.geronimo.monitoring.console.MonitoringPortlet.doView(MonitoringPortlet.java:341)
> at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:247)
> at javax.portlet.GenericPortlet.render(GenericPortlet.java:175)
> at org.apache.geronimo.console.BasePortlet.render(BasePortlet.java:153)
> at org.apache.pluto.core.PortletServlet.dispatch(PortletServlet.java:208)
> at org.apache.pluto.core.PortletServlet.doGet(PortletServlet.java:139)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.pluto.core.DefaultPortletInvokerService.invoke(DefaultPortletInvokerService.java:167)
> at org.apache.pluto.core.DefaultPortletInvokerService.render(DefaultPortletInvokerService.java:101)
> at org.apache.pluto.core.PortletContainerImpl.doRender(PortletContainerImpl.java:172)
> at org.apache.pluto.driver.tags.PortletTag.doStartTag(PortletTag.java:152)
> at jsp.WEB_002dINF.themes.portlet_002dskin_jsp._jspService(portlet_002dskin_jsp.java:102)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:968)
> at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspx_meth_c_005fforEach_005f0(default_002dtheme_jsp.java:215)
> at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspService(default_002dtheme_jsp.java:120)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
> at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
> at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
> at org.apache.pluto.driver.PortalDriverServlet.doGet(PortalDriverServlet.java:151)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.console.filter.PlutoURLRebuildFilter.doFilter(PlutoURLRebuildFilter.java:48)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.console.filter.XSSXSRFFilter.doFilter(XSSXSRFFilter.java:125)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:413)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:567)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:361)
> at org.apache.geronimo.pool.ThreadPool$1.run(ThreadPool.java:214)
> at org.apache.geronimo.pool.ThreadPool$ContextClassLoaderRunnable.run(ThreadPool.java:344)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:896)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
> at java.lang.Thread.run(Thread.java:735)
> Problems:
> Now I click the porlet monitoring but there is no any response.So I can not add any monitoring.

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Rex Wang updated GERONIMO-4732:
-------------------------------


I think it should check whether or not there is any existing graphs related to the server before deleting it.
-Rex

> click monitoring and delete the server localhost and there is an Error rendering portlet.
> -----------------------------------------------------------------------------------------
>
>                 Key: GERONIMO-4732
>                 URL: https://issues.apache.org/jira/browse/GERONIMO-4732
>             Project: Geronimo
>          Issue Type: Bug
>      Security Level: public(Regular issues)
>          Components: monitoring
>    Affects Versions: 2.2
>         Environment: windows xp sp2 32bit
> JRE 1.6
>            Reporter: liangkun
>            Assignee: viola.lu
>             Fix For: 2.2
>
>
> steps:
> 1.click the porlet and add a server localhost.
> 2.Add two Graphs:one is JVM Heap Size current,another is JVM Heap Size max.
> 3.view the graphs and they run well.
> 4 Delete the server and there is an error:rendering portlet.
> Error rendering portlet.
> java.lang.NullPointerException
> at jsp.WEB_002dINF.view.monitoringNormal_jsp._jspService(monitoringNormal_jsp.java:900)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.pluto.internal.impl.PortletRequestDispatcherImpl.include(PortletRequestDispatcherImpl.java:106)
> at org.apache.geronimo.monitoring.console.MonitoringPortlet.normalView(MonitoringPortlet.java:455)
> at org.apache.geronimo.monitoring.console.MonitoringPortlet.doView(MonitoringPortlet.java:341)
> at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:247)
> at javax.portlet.GenericPortlet.render(GenericPortlet.java:175)
> at org.apache.geronimo.console.BasePortlet.render(BasePortlet.java:153)
> at org.apache.pluto.core.PortletServlet.dispatch(PortletServlet.java:208)
> at org.apache.pluto.core.PortletServlet.doGet(PortletServlet.java:139)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.pluto.core.DefaultPortletInvokerService.invoke(DefaultPortletInvokerService.java:167)
> at org.apache.pluto.core.DefaultPortletInvokerService.render(DefaultPortletInvokerService.java:101)
> at org.apache.pluto.core.PortletContainerImpl.doRender(PortletContainerImpl.java:172)
> at org.apache.pluto.driver.tags.PortletTag.doStartTag(PortletTag.java:152)
> at jsp.WEB_002dINF.themes.portlet_002dskin_jsp._jspService(portlet_002dskin_jsp.java:102)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:968)
> at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspx_meth_c_005fforEach_005f0(default_002dtheme_jsp.java:215)
> at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspService(default_002dtheme_jsp.java:120)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
> at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
> at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
> at org.apache.pluto.driver.PortalDriverServlet.doGet(PortalDriverServlet.java:151)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.console.filter.PlutoURLRebuildFilter.doFilter(PlutoURLRebuildFilter.java:48)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.console.filter.XSSXSRFFilter.doFilter(XSSXSRFFilter.java:125)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:413)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:567)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:361)
> at org.apache.geronimo.pool.ThreadPool$1.run(ThreadPool.java:214)
> at org.apache.geronimo.pool.ThreadPool$ContextClassLoaderRunnable.run(ThreadPool.java:344)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:896)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
> at java.lang.Thread.run(Thread.java:735)
> Problems:
> Now I click the porlet monitoring but there is no any response.So I can not add any monitoring.

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     [ https://issues.apache.org/jira/browse/GERONIMO-4732?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rex Wang reassigned GERONIMO-4732:
----------------------------------

    Assignee: Rex Wang  (was: viola.lu)

> click monitoring and delete the server localhost and there is an Error rendering portlet.
> -----------------------------------------------------------------------------------------
>
>                 Key: GERONIMO-4732
>                 URL: https://issues.apache.org/jira/browse/GERONIMO-4732
>             Project: Geronimo
>          Issue Type: Bug
>      Security Level: public(Regular issues)
>          Components: monitoring
>    Affects Versions: 2.2
>         Environment: windows xp sp2 32bit
> JRE 1.6
>            Reporter: liangkun
>            Assignee: Rex Wang
>             Fix For: 2.2
>
>
> steps:
> 1.click the porlet and add a server localhost.
> 2.Add two Graphs:one is JVM Heap Size current,another is JVM Heap Size max.
> 3.view the graphs and they run well.
> 4 Delete the server and there is an error:rendering portlet.
> Error rendering portlet.
> java.lang.NullPointerException
> at jsp.WEB_002dINF.view.monitoringNormal_jsp._jspService(monitoringNormal_jsp.java:900)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.pluto.internal.impl.PortletRequestDispatcherImpl.include(PortletRequestDispatcherImpl.java:106)
> at org.apache.geronimo.monitoring.console.MonitoringPortlet.normalView(MonitoringPortlet.java:455)
> at org.apache.geronimo.monitoring.console.MonitoringPortlet.doView(MonitoringPortlet.java:341)
> at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:247)
> at javax.portlet.GenericPortlet.render(GenericPortlet.java:175)
> at org.apache.geronimo.console.BasePortlet.render(BasePortlet.java:153)
> at org.apache.pluto.core.PortletServlet.dispatch(PortletServlet.java:208)
> at org.apache.pluto.core.PortletServlet.doGet(PortletServlet.java:139)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.pluto.core.DefaultPortletInvokerService.invoke(DefaultPortletInvokerService.java:167)
> at org.apache.pluto.core.DefaultPortletInvokerService.render(DefaultPortletInvokerService.java:101)
> at org.apache.pluto.core.PortletContainerImpl.doRender(PortletContainerImpl.java:172)
> at org.apache.pluto.driver.tags.PortletTag.doStartTag(PortletTag.java:152)
> at jsp.WEB_002dINF.themes.portlet_002dskin_jsp._jspService(portlet_002dskin_jsp.java:102)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:968)
> at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspx_meth_c_005fforEach_005f0(default_002dtheme_jsp.java:215)
> at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspService(default_002dtheme_jsp.java:120)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
> at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
> at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
> at org.apache.pluto.driver.PortalDriverServlet.doGet(PortalDriverServlet.java:151)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.console.filter.PlutoURLRebuildFilter.doFilter(PlutoURLRebuildFilter.java:48)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.console.filter.XSSXSRFFilter.doFilter(XSSXSRFFilter.java:125)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:413)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:567)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:361)
> at org.apache.geronimo.pool.ThreadPool$1.run(ThreadPool.java:214)
> at org.apache.geronimo.pool.ThreadPool$ContextClassLoaderRunnable.run(ThreadPool.java:344)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:896)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
> at java.lang.Thread.run(Thread.java:735)
> Problems:
> Now I click the porlet monitoring but there is no any response.So I can not add any monitoring.

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Rex Wang updated GERONIMO-4732:
-------------------------------

    Attachment: GERONIMO-4732-trunk.patch

please help review, thanks!
-Rex

> click monitoring and delete the server localhost and there is an Error rendering portlet.
> -----------------------------------------------------------------------------------------
>
>                 Key: GERONIMO-4732
>                 URL: https://issues.apache.org/jira/browse/GERONIMO-4732
>             Project: Geronimo
>          Issue Type: Bug
>      Security Level: public(Regular issues)
>          Components: monitoring
>    Affects Versions: 2.2
>         Environment: windows xp sp2 32bit
> JRE 1.6
>            Reporter: liangkun
>            Assignee: Rex Wang
>             Fix For: 2.2
>
>         Attachments: GERONIMO-4732-trunk.patch
>
>
> steps:
> 1.click the porlet and add a server localhost.
> 2.Add two Graphs:one is JVM Heap Size current,another is JVM Heap Size max.
> 3.view the graphs and they run well.
> 4 Delete the server and there is an error:rendering portlet.
> Error rendering portlet.
> java.lang.NullPointerException
> at jsp.WEB_002dINF.view.monitoringNormal_jsp._jspService(monitoringNormal_jsp.java:900)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.pluto.internal.impl.PortletRequestDispatcherImpl.include(PortletRequestDispatcherImpl.java:106)
> at org.apache.geronimo.monitoring.console.MonitoringPortlet.normalView(MonitoringPortlet.java:455)
> at org.apache.geronimo.monitoring.console.MonitoringPortlet.doView(MonitoringPortlet.java:341)
> at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:247)
> at javax.portlet.GenericPortlet.render(GenericPortlet.java:175)
> at org.apache.geronimo.console.BasePortlet.render(BasePortlet.java:153)
> at org.apache.pluto.core.PortletServlet.dispatch(PortletServlet.java:208)
> at org.apache.pluto.core.PortletServlet.doGet(PortletServlet.java:139)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.pluto.core.DefaultPortletInvokerService.invoke(DefaultPortletInvokerService.java:167)
> at org.apache.pluto.core.DefaultPortletInvokerService.render(DefaultPortletInvokerService.java:101)
> at org.apache.pluto.core.PortletContainerImpl.doRender(PortletContainerImpl.java:172)
> at org.apache.pluto.driver.tags.PortletTag.doStartTag(PortletTag.java:152)
> at jsp.WEB_002dINF.themes.portlet_002dskin_jsp._jspService(portlet_002dskin_jsp.java:102)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:968)
> at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspx_meth_c_005fforEach_005f0(default_002dtheme_jsp.java:215)
> at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspService(default_002dtheme_jsp.java:120)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
> at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
> at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
> at org.apache.pluto.driver.PortalDriverServlet.doGet(PortalDriverServlet.java:151)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.console.filter.PlutoURLRebuildFilter.doFilter(PlutoURLRebuildFilter.java:48)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.console.filter.XSSXSRFFilter.doFilter(XSSXSRFFilter.java:125)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:413)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:567)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:361)
> at org.apache.geronimo.pool.ThreadPool$1.run(ThreadPool.java:214)
> at org.apache.geronimo.pool.ThreadPool$ContextClassLoaderRunnable.run(ThreadPool.java:344)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:896)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
> at java.lang.Thread.run(Thread.java:735)
> Problems:
> Now I click the porlet monitoring but there is no any response.So I can not add any monitoring.

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Ivan commented on GERONIMO-4732:
--------------------------------

I did not know how the monitor portlet works, but Is it possible for us to delete all the graph belong to that server ? maybe we could give a confirm box, which writes that all the sub-graphs will be delete.

> click monitoring and delete the server localhost and there is an Error rendering portlet.
> -----------------------------------------------------------------------------------------
>
>                 Key: GERONIMO-4732
>                 URL: https://issues.apache.org/jira/browse/GERONIMO-4732
>             Project: Geronimo
>          Issue Type: Bug
>      Security Level: public(Regular issues)
>          Components: monitoring
>    Affects Versions: 2.2
>         Environment: windows xp sp2 32bit
> JRE 1.6
>            Reporter: liangkun
>            Assignee: Rex Wang
>             Fix For: 2.2
>
>         Attachments: GERONIMO-4732-trunk.patch
>
>
> steps:
> 1.click the porlet and add a server localhost.
> 2.Add two Graphs:one is JVM Heap Size current,another is JVM Heap Size max.
> 3.view the graphs and they run well.
> 4 Delete the server and there is an error:rendering portlet.
> Error rendering portlet.
> java.lang.NullPointerException
> at jsp.WEB_002dINF.view.monitoringNormal_jsp._jspService(monitoringNormal_jsp.java:900)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.pluto.internal.impl.PortletRequestDispatcherImpl.include(PortletRequestDispatcherImpl.java:106)
> at org.apache.geronimo.monitoring.console.MonitoringPortlet.normalView(MonitoringPortlet.java:455)
> at org.apache.geronimo.monitoring.console.MonitoringPortlet.doView(MonitoringPortlet.java:341)
> at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:247)
> at javax.portlet.GenericPortlet.render(GenericPortlet.java:175)
> at org.apache.geronimo.console.BasePortlet.render(BasePortlet.java:153)
> at org.apache.pluto.core.PortletServlet.dispatch(PortletServlet.java:208)
> at org.apache.pluto.core.PortletServlet.doGet(PortletServlet.java:139)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.pluto.core.DefaultPortletInvokerService.invoke(DefaultPortletInvokerService.java:167)
> at org.apache.pluto.core.DefaultPortletInvokerService.render(DefaultPortletInvokerService.java:101)
> at org.apache.pluto.core.PortletContainerImpl.doRender(PortletContainerImpl.java:172)
> at org.apache.pluto.driver.tags.PortletTag.doStartTag(PortletTag.java:152)
> at jsp.WEB_002dINF.themes.portlet_002dskin_jsp._jspService(portlet_002dskin_jsp.java:102)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:968)
> at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspx_meth_c_005fforEach_005f0(default_002dtheme_jsp.java:215)
> at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspService(default_002dtheme_jsp.java:120)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
> at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
> at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
> at org.apache.pluto.driver.PortalDriverServlet.doGet(PortalDriverServlet.java:151)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.console.filter.PlutoURLRebuildFilter.doFilter(PlutoURLRebuildFilter.java:48)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.console.filter.XSSXSRFFilter.doFilter(XSSXSRFFilter.java:125)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:413)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:567)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:361)
> at org.apache.geronimo.pool.ThreadPool$1.run(ThreadPool.java:214)
> at org.apache.geronimo.pool.ThreadPool$ContextClassLoaderRunnable.run(ThreadPool.java:344)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:896)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
> at java.lang.Thread.run(Thread.java:735)
> Problems:
> Now I click the porlet monitoring but there is no any response.So I can not add any monitoring.

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Rex Wang commented on GERONIMO-4732:
------------------------------------

let user manually delete might be more safe I think.

-Rex

> click monitoring and delete the server localhost and there is an Error rendering portlet.
> -----------------------------------------------------------------------------------------
>
>                 Key: GERONIMO-4732
>                 URL: https://issues.apache.org/jira/browse/GERONIMO-4732
>             Project: Geronimo
>          Issue Type: Bug
>      Security Level: public(Regular issues)
>          Components: monitoring
>    Affects Versions: 2.2
>         Environment: windows xp sp2 32bit
> JRE 1.6
>            Reporter: liangkun
>            Assignee: Rex Wang
>             Fix For: 2.2
>
>         Attachments: GERONIMO-4732-trunk.patch
>
>
> steps:
> 1.click the porlet and add a server localhost.
> 2.Add two Graphs:one is JVM Heap Size current,another is JVM Heap Size max.
> 3.view the graphs and they run well.
> 4 Delete the server and there is an error:rendering portlet.
> Error rendering portlet.
> java.lang.NullPointerException
> at jsp.WEB_002dINF.view.monitoringNormal_jsp._jspService(monitoringNormal_jsp.java:900)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.pluto.internal.impl.PortletRequestDispatcherImpl.include(PortletRequestDispatcherImpl.java:106)
> at org.apache.geronimo.monitoring.console.MonitoringPortlet.normalView(MonitoringPortlet.java:455)
> at org.apache.geronimo.monitoring.console.MonitoringPortlet.doView(MonitoringPortlet.java:341)
> at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:247)
> at javax.portlet.GenericPortlet.render(GenericPortlet.java:175)
> at org.apache.geronimo.console.BasePortlet.render(BasePortlet.java:153)
> at org.apache.pluto.core.PortletServlet.dispatch(PortletServlet.java:208)
> at org.apache.pluto.core.PortletServlet.doGet(PortletServlet.java:139)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.pluto.core.DefaultPortletInvokerService.invoke(DefaultPortletInvokerService.java:167)
> at org.apache.pluto.core.DefaultPortletInvokerService.render(DefaultPortletInvokerService.java:101)
> at org.apache.pluto.core.PortletContainerImpl.doRender(PortletContainerImpl.java:172)
> at org.apache.pluto.driver.tags.PortletTag.doStartTag(PortletTag.java:152)
> at jsp.WEB_002dINF.themes.portlet_002dskin_jsp._jspService(portlet_002dskin_jsp.java:102)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:968)
> at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspx_meth_c_005fforEach_005f0(default_002dtheme_jsp.java:215)
> at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspService(default_002dtheme_jsp.java:120)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
> at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
> at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
> at org.apache.pluto.driver.PortalDriverServlet.doGet(PortalDriverServlet.java:151)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.console.filter.PlutoURLRebuildFilter.doFilter(PlutoURLRebuildFilter.java:48)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.console.filter.XSSXSRFFilter.doFilter(XSSXSRFFilter.java:125)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:413)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:567)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:361)
> at org.apache.geronimo.pool.ThreadPool$1.run(ThreadPool.java:214)
> at org.apache.geronimo.pool.ThreadPool$ContextClassLoaderRunnable.run(ThreadPool.java:344)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:896)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
> at java.lang.Thread.run(Thread.java:735)
> Problems:
> Now I click the porlet monitoring but there is no any response.So I can not add any monitoring.

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     [ https://issues.apache.org/jira/browse/GERONIMO-4732?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ivan resolved GERONIMO-4732.
----------------------------

    Resolution: Fixed

Commit the patch to trunk At revision: 798442, thanks, Rex !

> click monitoring and delete the server localhost and there is an Error rendering portlet.
> -----------------------------------------------------------------------------------------
>
>                 Key: GERONIMO-4732
>                 URL: https://issues.apache.org/jira/browse/GERONIMO-4732
>             Project: Geronimo
>          Issue Type: Bug
>      Security Level: public(Regular issues)
>          Components: monitoring
>    Affects Versions: 2.2
>         Environment: windows xp sp2 32bit
> JRE 1.6
>            Reporter: liangkun
>            Assignee: Rex Wang
>             Fix For: 2.2
>
>         Attachments: GERONIMO-4732-trunk.patch
>
>
> steps:
> 1.click the porlet and add a server localhost.
> 2.Add two Graphs:one is JVM Heap Size current,another is JVM Heap Size max.
> 3.view the graphs and they run well.
> 4 Delete the server and there is an error:rendering portlet.
> Error rendering portlet.
> java.lang.NullPointerException
> at jsp.WEB_002dINF.view.monitoringNormal_jsp._jspService(monitoringNormal_jsp.java:900)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.pluto.internal.impl.PortletRequestDispatcherImpl.include(PortletRequestDispatcherImpl.java:106)
> at org.apache.geronimo.monitoring.console.MonitoringPortlet.normalView(MonitoringPortlet.java:455)
> at org.apache.geronimo.monitoring.console.MonitoringPortlet.doView(MonitoringPortlet.java:341)
> at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:247)
> at javax.portlet.GenericPortlet.render(GenericPortlet.java:175)
> at org.apache.geronimo.console.BasePortlet.render(BasePortlet.java:153)
> at org.apache.pluto.core.PortletServlet.dispatch(PortletServlet.java:208)
> at org.apache.pluto.core.PortletServlet.doGet(PortletServlet.java:139)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.pluto.core.DefaultPortletInvokerService.invoke(DefaultPortletInvokerService.java:167)
> at org.apache.pluto.core.DefaultPortletInvokerService.render(DefaultPortletInvokerService.java:101)
> at org.apache.pluto.core.PortletContainerImpl.doRender(PortletContainerImpl.java:172)
> at org.apache.pluto.driver.tags.PortletTag.doStartTag(PortletTag.java:152)
> at jsp.WEB_002dINF.themes.portlet_002dskin_jsp._jspService(portlet_002dskin_jsp.java:102)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:968)
> at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspx_meth_c_005fforEach_005f0(default_002dtheme_jsp.java:215)
> at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspService(default_002dtheme_jsp.java:120)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
> at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
> at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
> at org.apache.pluto.driver.PortalDriverServlet.doGet(PortalDriverServlet.java:151)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.console.filter.PlutoURLRebuildFilter.doFilter(PlutoURLRebuildFilter.java:48)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.console.filter.XSSXSRFFilter.doFilter(XSSXSRFFilter.java:125)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:413)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:567)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:361)
> at org.apache.geronimo.pool.ThreadPool$1.run(ThreadPool.java:214)
> at org.apache.geronimo.pool.ThreadPool$ContextClassLoaderRunnable.run(ThreadPool.java:344)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:896)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
> at java.lang.Thread.run(Thread.java:735)
> Problems:
> Now I click the porlet monitoring but there is no any response.So I can not add any monitoring.

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     [ https://issues.apache.org/jira/browse/GERONIMO-4732?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rex Wang closed GERONIMO-4732.
------------------------------

> click monitoring and delete the server localhost and there is an Error rendering portlet.
> -----------------------------------------------------------------------------------------
>
>                 Key: GERONIMO-4732
>                 URL: https://issues.apache.org/jira/browse/GERONIMO-4732
>             Project: Geronimo
>          Issue Type: Bug
>      Security Level: public(Regular issues)
>          Components: monitoring
>    Affects Versions: 2.2
>         Environment: windows xp sp2 32bit
> JRE 1.6
>            Reporter: liangkun
>            Assignee: Rex Wang
>             Fix For: 2.2
>
>         Attachments: GERONIMO-4732-trunk.patch
>
>
> steps:
> 1.click the porlet and add a server localhost.
> 2.Add two Graphs:one is JVM Heap Size current,another is JVM Heap Size max.
> 3.view the graphs and they run well.
> 4 Delete the server and there is an error:rendering portlet.
> Error rendering portlet.
> java.lang.NullPointerException
> at jsp.WEB_002dINF.view.monitoringNormal_jsp._jspService(monitoringNormal_jsp.java:900)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.pluto.internal.impl.PortletRequestDispatcherImpl.include(PortletRequestDispatcherImpl.java:106)
> at org.apache.geronimo.monitoring.console.MonitoringPortlet.normalView(MonitoringPortlet.java:455)
> at org.apache.geronimo.monitoring.console.MonitoringPortlet.doView(MonitoringPortlet.java:341)
> at javax.portlet.GenericPortlet.doDispatch(GenericPortlet.java:247)
> at javax.portlet.GenericPortlet.render(GenericPortlet.java:175)
> at org.apache.geronimo.console.BasePortlet.render(BasePortlet.java:153)
> at org.apache.pluto.core.PortletServlet.dispatch(PortletServlet.java:208)
> at org.apache.pluto.core.PortletServlet.doGet(PortletServlet.java:139)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.pluto.core.DefaultPortletInvokerService.invoke(DefaultPortletInvokerService.java:167)
> at org.apache.pluto.core.DefaultPortletInvokerService.render(DefaultPortletInvokerService.java:101)
> at org.apache.pluto.core.PortletContainerImpl.doRender(PortletContainerImpl.java:172)
> at org.apache.pluto.driver.tags.PortletTag.doStartTag(PortletTag.java:152)
> at jsp.WEB_002dINF.themes.portlet_002dskin_jsp._jspService(portlet_002dskin_jsp.java:102)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
> at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
> at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:968)
> at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspx_meth_c_005fforEach_005f0(default_002dtheme_jsp.java:215)
> at jsp.WEB_002dINF.themes.default_002dtheme_jsp._jspService(default_002dtheme_jsp.java:120)
> at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
> at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
> at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
> at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
> at org.apache.pluto.driver.PortalDriverServlet.doGet(PortalDriverServlet.java:151)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:693)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.console.filter.PlutoURLRebuildFilter.doFilter(PlutoURLRebuildFilter.java:48)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.geronimo.console.filter.XSSXSRFFilter.doFilter(XSSXSRFFilter.java:125)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
> at org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525)
> at org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:413)
> at org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:567)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:361)
> at org.apache.geronimo.pool.ThreadPool$1.run(ThreadPool.java:214)
> at org.apache.geronimo.pool.ThreadPool$ContextClassLoaderRunnable.run(ThreadPool.java:344)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:896)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
> at java.lang.Thread.run(Thread.java:735)
> Problems:
> Now I click the porlet monitoring but there is no any response.So I can not add any monitoring.

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