[ http://issues.apache.org/jira/browse/BEEHIVE-834?page=all ]
Chad Schoettger updated BEEHIVE-834: ------------------------------------ Attachment: BEEHIVE-834.txt attached patch file for this issue. Patch was generated from <beehive>trunk/system-controls/src/jdbc directory > JDBC Control throws NPE after deserialization > --------------------------------------------- > > Key: BEEHIVE-834 > URL: http://issues.apache.org/jira/browse/BEEHIVE-834 > Project: Beehive > Type: Bug > Components: System Controls > Versions: v1m1 > Environment: Dist built from SVN 201574. RHEL with Tomcat 5.0.28. > Reporter: Jeremiah Johnson > Assignee: Eddie O'Neil > Priority: Critical > Fix For: V1 > Attachments: BEEHIVE-834.txt > > If I do a redeploy of a war that contains a JDBC Control that has been in > use, then my JDBC Controls throw an NPE when used after the redeploy > completes. I believe that the cause of this is that the redeploy is causing > the session (which contains the JDBC Control) to be serialized. There is a > field in the JDBC Control called _resources that is transient so it gets > dropped. After the redeploy / deserialization of the session, the _resources > remains null but is then used in onRelease(). > Repro: > - edit build.properties for derby.jar location > - edit > src/org/apache/beehive/samples/petstore/controls/data/DBProperties.java for > where you want derby data > - ant deploy-beehive build war > - cp petstoreWeb.war $CATALINA_HOME/webapps > - http://localhost:8080/petstoreWeb/ > - Click initDB > - Click stopDB > - cp petstoreWeb.war $CATALINA_HOME/webapps > - Click initDB > - Getting an NPE here, but really should be okay. > - If you wait until the session times out, then you can move on and the NPE > doesn?t appear again until your next redeploy > --- browser result from initDB with NPE > type Exception report > message > description The server encountered an internal error () that prevented it > from fulfilling this request. > exception > javax.servlet.ServletException > > org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.processInternal(PageFlowRequestProcessor.java:623) > > org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.process(PageFlowRequestProcessor.java:886) > > org.apache.beehive.netui.pageflow.AutoRegisterActionServlet.process(AutoRegisterActionServlet.java:600) > > org.apache.beehive.netui.pageflow.PageFlowActionServlet.process(PageFlowActionServlet.java:163) > org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) > javax.servlet.http.HttpServlet.service(HttpServlet.java:689) > javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > root cause > java.lang.NullPointerException > > org.apache.beehive.controls.system.jdbc.JdbcControlImpl.onRelease(JdbcControlImpl.java:126) > > org.apache.beehive.controls.system.jdbc.JdbcControlImplInitializer$_resourceContextResourceEventsEventAdaptor.onRelease(JdbcControlImplInitializer.java:24) > > org.apache.beehive.controls.runtime.bean.ResourceContextImpl.release(ResourceContextImpl.java:144) > > org.apache.beehive.controls.runtime.bean.ControlContainerContext.releaseResources(ControlContainerContext.java:136) > > org.apache.beehive.controls.runtime.bean.ControlContainerContext.endContext(ControlContainerContext.java:64) > > org.apache.beehive.controls.runtime.servlet.ServletBeanContext.endContext(ServletBeanContext.java:92) > > org.apache.beehive.netui.pageflow.internal.JavaControlUtils.uninitializeControlContext(JavaControlUtils.java:85) > > org.apache.beehive.netui.pageflow.PageFlowPageFilter.doFilter(PageFlowPageFilter.java:229) > > org.apache.beehive.netui.pageflow.internal.DefaultForwardRedirectHandler.forward(DefaultForwardRedirectHandler.java:127) > > org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.doForward(PageFlowRequestProcessor.java:1824) > > org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.processForwardConfig(PageFlowRequestProcessor.java:1698) > > org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:229) > > org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.processInternal(PageFlowRequestProcessor.java:600) > > org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.process(PageFlowRequestProcessor.java:886) > > org.apache.beehive.netui.pageflow.AutoRegisterActionServlet.process(AutoRegisterActionServlet.java:600) > > org.apache.beehive.netui.pageflow.PageFlowActionServlet.process(PageFlowActionServlet.java:163) > org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) > javax.servlet.http.HttpServlet.service(HttpServlet.java:689) > javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > note The full stack trace of the root cause is available in the Apache > Tomcat/5.0.28 logs. > > --- catalina.out content > 24 Jun 2005 01:43:53,366 INFO PageFlowRequestProcessor []: This exception > was u > nhandled by any exception handler. > Throwable: org.apache.beehive.netui.pageflow.internal.UnhandledException > Stack Trace: > org.apache.beehive.netui.pageflow.internal.UnhandledException > at > org.apache.beehive.netui.pageflow.internal.DefaultExceptionsHandler.handleException(DefaultExceptionsHandler.java:117) > at > org.apache.beehive.netui.pageflow.FlowController.handleException(FlowController.java:259) > at > org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.handleException(PageFlowRequestProcessor.java:680) > at > org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.processInternal(PageFlowRequestProcessor.java:620) > at > org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.process(PageFlowRequestProcessor.java:886) > at > org.apache.beehive.netui.pageflow.AutoRegisterActionServlet.process(AutoRegisterActionServlet.java:600) > at > org.apache.beehive.netui.pageflow.PageFlowActionServlet.process(PageFlowActionServlet.java:163) > at > org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157) > at > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214) > at > org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) > at > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) > at > org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198) > at > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152) > at > org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) > at > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137) > at > org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118) > at > org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102) > at > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) > at > org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) > at > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) > at > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929) > at > org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160) > at > org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799) > at > org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705) > at > org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577) > at > org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683) > at java.lang.Thread.run(Thread.java:595) > 24 Jun 2005 01:43:53,366 INFO PageFlowRequestProcessor []: This exception > was unhandled by any exception handler. > Throwable: org.apache.beehive.netui.pageflow.internal.UnhandledException > Stack Trace: > org.apache.beehive.netui.pageflow.internal.UnhandledException > at > org.apache.beehive.netui.pageflow.internal.DefaultExceptionsHandler.handleException(DefaultExceptionsHandler.java:117) > at > org.apache.beehive.netui.pageflow.FlowController.handleException(FlowController.java:259) > at > org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.handleException(PageFlowRequestProcessor.java:680) > at > org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.processInternal(PageFlowRequestProcessor.java:620) > at > org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.process(PageFlowRequestProcessor.java:886) > at > org.apache.beehive.netui.pageflow.AutoRegisterActionServlet.process(AutoRegisterActionServlet.java:600) > at > org.apache.beehive.netui.pageflow.PageFlowActionServlet.process(PageFlowActionServlet.java:163) > at > org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157) > at > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214) > at > org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) > at > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) > at > org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198) > at > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152) > at > org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) > at > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137) > at > org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118) > at > org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102) > at > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) > at > org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) > at > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) > at > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929) > at > org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160) > at > org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799) > at > org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705) > at > org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577) > at > org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683) > at java.lang.Thread.run(Thread.java:595) -- This message is automatically generated by JIRA. - If you think it was sent incorrectly 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