RE: Database connection problems after 8 hours

Didn't work. I'm really stuck now.
Anyone else experiencing the same connection problems with Grails+MySQL+GlassFish ?


The error I got after 1 day was:

[#|2009-07-04T16:23:20.114+0200|INFO|glassfish|null|_ThreadID=21;_ThreadName=Thread-3;|2009-07-04 16:23:20,113 [httpWorkerThread-80-6] ERROR util.JDBCExceptionReporter  - Communications link failure due to underlying exception:

** BEGIN NESTED EXCEPTION **

java.net.SocketException
MESSAGE: Broken pipe

STACKTRACE:

java.net.SocketException: Broken pipe
        at java.net.SocketOutputStream.socketWrite0(Native Method)
        at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
        at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
        at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65)
        at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:123)
        at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:2744)
        at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1612)
        at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1723)
        at com.mysql.jdbc.Connection.execSQL(Connection.java:3283)
        at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1332)
        at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1467)
        at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeQuery(NewProxyPreparedStatement.java:76)
        at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:208)
        at org.hibernate.loader.Loader.getResultSet(Loader.java:1808)
        at org.hibernate.loader.Loader.doQuery(Loader.java:697)
        at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:259)
        at org.hibernate.loader.Loader.doList(Loader.java:2228)
        at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2125)
        at org.hibernate.loader.Loader.list(Loader.java:2120)
        at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:118)
        at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1596)
        at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:306)
        at org.hibernate.impl.CriteriaImpl.uniqueResult(CriteriaImpl.java:328)
        at org.codehaus.groovy.grails.orm.hibernate.metaclass.FindByPersistentMethod$1.doInHibernate(FindByPersistentMethod.java:88)
        at org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:419)
        at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:339)
        at org.codehaus.groovy.grails.orm.hibernate.metaclass.FindByPersistentMethod.doInvokeInternalWithExpressions(FindByPersistentMethod.java:60)
        at org.codehaus.groovy.grails.orm.hibernate.metaclass.AbstractClausedStaticPersistentMethod.doInvokeInternal(AbstractClausedStaticPersistentMethod.java:473)
        at org.codehaus.groovy.grails.orm.hibernate.metaclass.AbstractStaticPersistentMethod.invoke(AbstractStaticPersistentMethod.java:55)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite$PojoCachedMethodSiteNoUnwrapNoCoerce.invoke(PojoMetaMethodSite.java:229)
        at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite.call(PojoMetaMethodSite.java:52)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:132)
        at org.codehaus.groovy.grails.plugins.orm.hibernate.HibernatePluginSupport$_addDynamicFinderSupport_closure8.doCall(HibernatePluginSupport.groovy:297)
        at sun.reflect.GeneratedMethodAccessor667.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
        at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1061)
        at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:910)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:892)
        at groovy.lang.Closure.call(Closure.java:279)
        at org.codehaus.groovy.runtime.metaclass.ClosureStaticMetaMethod.invoke(ClosureStaticMetaMethod.java:55)
        at groovy.lang.MetaClassImpl.invokeStaticMissingMethod(MetaClassImpl.java:1349)
        at groovy.lang.MetaClassImpl.invokeStaticMethod(MetaClassImpl.java:1337)
        at groovy.lang.ExpandoMetaClass.invokeStaticMethod(ExpandoMetaClass.java:921)
        at org.codehaus.groovy.runtime.callsite.StaticMetaClassSite.call(StaticMetaClassSite.java:23)
        at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:43)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:124)
        at SearchController$_closure3.doCall(SearchController.groovy:128)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSiteNoUnwrapNoCoerce.invoke(PogoMetaMethodSite.java:266)
        at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:51)
        at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:47)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:142)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:150)
        at SearchController$_closure3.doCall(SearchController.groovy)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
        at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1061)
        at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:910)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:892)
        at groovy.lang.Closure.call(Closure.java:279)
        at groovy.lang.Closure.call(Closure.java:274)
        at org.codehaus.groovy.grails.web.servlet.mvc.SimpleGrailsControllerHelper.handleAction(SimpleGrailsControllerHelper.java:363)
        at org.codehaus.groovy.grails.web.servlet.mvc.SimpleGrailsControllerHelper.executeAction(SimpleGrailsControllerHelper.java:243)
        at org.codehaus.groovy.grails.web.servlet.mvc.SimpleGrailsControllerHelper.handleURI(SimpleGrailsControllerHelper.java:203)
        at org.codehaus.groovy.grails.web.servlet.mvc.SimpleGrailsControllerHelper.handleURI(SimpleGrailsControllerHelper.java:138)
        at org.codehaus.groovy.grails.web.servlet.mvc.SimpleGrailsController.handleRequest(SimpleGrailsController.java:88)
        at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)
        at org.codehaus.groovy.grails.web.servlet.GrailsDispatcherServlet.doDispatch(GrailsDispatcherServlet.java:264)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:807)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:571)
        at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:511)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
        at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:431)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:337)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:218)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:70)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:250)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:218)
        at |#]

[#|2009-07-04T16:23:20.116+0200|INFO|glassfish|null|_ThreadID=21;_ThreadName=Thread-3;|org.apache.catalina.core.ApplicationDispatcher.doInvoke(ApplicationDispatcher.java:883)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:732)
        at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:554)
        at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:485)
        at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:377)
        at org.codehaus.groovy.grails.web.util.WebUtils.forwardRequestForUrlMappingInfo(WebUtils.java:293)
        at org.codehaus.groovy.grails.web.util.WebUtils.forwardRequestForUrlMappingInfo(WebUtils.java:269)
        at org.codehaus.groovy.grails.web.util.WebUtils.forwardRequestForUrlMappingInfo(WebUtils.java:261)
        at org.codehaus.groovy.grails.web.mapping.filter.UrlMappingsFilter.doFilterInternal(UrlMappingsFilter.java:181)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:250)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:218)
        at org.codehaus.groovy.grails.web.sitemesh.GrailsPageFilter.obtainContent(GrailsPageFilter.java:171)
        at org.codehaus.groovy.grails.web.sitemesh.GrailsPageFilter.doFilter(GrailsPageFilter.java:110)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:250)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:218)
        at org.jsecurity.web.servlet.JSecurityFilter.doFilterInternal(JSecurityFilter.java:382)
        at org.jsecurity.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:180)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:250)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:218)
        at org.codehaus.groovy.grails.web.servlet.mvc.GrailsWebRequestFilter.doFilterInternal(GrailsWebRequestFilter.java:65)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:250)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:218)
        at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:96)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
        at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:236)
        at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:250)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:218)
        at org.apache.catalina.core.StandardWrapperValve.preInvoke(StandardWrapperValve.java:460)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:139)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:186)
        at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:719)
        at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:657)
        at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:96)
        at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:98)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:187)
        at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:719)
        at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:657)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:651)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1030)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:142)
        at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:719)
        at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:657)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:651)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1030)
        at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:325)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:242)
        at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:180)
        at com.sun.grizzly.http.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:633)
        at com.sun.grizzly.http.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:570)
        at com.sun.grizzly.http.DefaultProcessorTask.process(DefaultProcessorTask.java:827)
        at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:152)
        at com.sun.enterprise.v3.services.impl.GlassfishProtocolChain.executeProtocolFilter(GlassfishProtocolChain.java:71)
        at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:103)
        at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:89)
        at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:76)
        at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:67)
        at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:56)
        at com.sun.grizzly.util.WorkerThreadImpl.processTask(WorkerThreadImpl.java:325)
        at com.sun.grizzly.util.WorkerThreadImpl.run(WorkerThreadImpl.java:184)


** END NESTED EXCEPTION **