Re: Http Session Null issue

> Hi,
>
> I am facing strange issue with Tomcat 6 Jsp deployment.
> I have JSP pages deployed which internally performs operations and generates
> XML response which will be parsed using XSL and then finally displayed on
> the UI.
> Now when I invoke JSP pages from UI, session is getting null between the
> requests and this works perfectly fine on other Weblogic/Websphere App
> servers.
> We do use taglibs in xsl and JSPs.
>
> JDK version : 1.5.13
> Tomcat Ver: 6.0.18
>
> This error is again random but comes frequently even for the same page 2
> times out of 5 clicks.
> Any help on this will be useful, thanks.
>
> Posting the error message here for more info:
>
> org.apache.jasper.JasperException: java.lang.NullPointerException
> org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:522)
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:416)
>
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>
> *root cause*
>
> java.lang.NullPointerException
> com.teradata.x2.context.Settings.getSettings(Settings.java:102)
> com.teradata.x2.context.ServletProcessContext.getSettings(ServletProcessContext.java:38)

> com.teradata.ui.web.common.HTMLComponent.getSettings(HTMLComponent.java:76)
> com.teradata.ui.web.common.StyleSheetLink.doInline(StyleSheetLink.java:237)
> com.teradata.ui.web.common.StyleSheetLink.prepareHTMLString(StyleSheetLink.java:170)
>
> com.teradata.ui.web.common.HTMLComponent.toHTMLString(HTMLComponent.java:91)
> com.teradata.ui.web.taglib.BodyTagBase.doEndTag(BodyTagBase.java:65)
> org.apache.jsp.bcm.framework.tableeditor.tableeditor_jsp._jspx_meth_td_005fstylesheet_005f0(tableeditor_jsp.java:201)
>
> org.apache.jsp.bcm.framework.tableeditor.tableeditor_jsp._jspService(tableeditor_jsp.java:99)
> org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
> javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
>
> javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>
> Regards,
> Achal.
>