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fornac
7 Dec 2008, 10:56 AM
hi,
i use GXT1.2 with GWT 1.53 on linux ubuntu 8.04.

i use httpsession in a servlet to save session user and a list object. i log everything with an httpsessionlistener .

Evething works quite fine but sometimes i can't save the session because an error happen with

java.io.NotSerializableException: com.extjs.gxt.ui.client.data.RpcMap
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1156)
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474)

thx for ur help
jraue
21 Apr 2009, 1:36 AM
I experience the same effect every time when starting HostedMode or Tomcat on Linux when not all users have logged out of my app.

Stack in Hosted Mode (2 Warnings):

[WARN] IOException while loading persisted sessions: java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: com.extjs.gxt.ui.client.data.RpcMap
java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: com.extjs.gxt.ui.client.data.RpcMap
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.readObject(Unknown Source)
at org.apache.catalina.session.StandardSession.readObject(StandardSession.java:1342)
at org.apache.catalina.session.StandardSession.readObjectData(StandardSession.java:885)
at org.apache.catalina.session.StandardManager.doLoad(StandardManager.java:416)
at org.apache.catalina.session.StandardManager.load(StandardManager.java:343)
at org.apache.catalina.session.StandardManager.start(StandardManager.java:657)
at org.apache.catalina.core.ContainerBase.setManager(ContainerBase.java:499)
at org.apache.catalina.startup.ContextConfig.managerConfig(ContextConfig.java:315)
at org.apache.catalina.startup.ContextConfig.start(ContextConfig.java:635)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:216)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4290)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:823)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:595)
at org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeployer.java:277)
at org.apache.catalina.core.StandardHost.install(StandardHost.java:832)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:701)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:432)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:983)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:349)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1091)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:789)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1083)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:478)
at org.apache.catalina.startup.Embedded.start(Embedded.java:846)
at com.google.gwt.dev.shell.tomcat.EmbeddedTomcatServer.<init>(EmbeddedTomcatServer.java:244)
at com.google.gwt.dev.shell.tomcat.EmbeddedTomcatServer.start(EmbeddedTomcatServer.java:69)
at com.google.gwt.dev.GWTShell.startUp(GWTShell.java:778)
at com.google.gwt.dev.GWTShell.run(GWTShell.java:582)
at com.google.gwt.dev.GWTShell.main(GWTShell.java:357)
Caused by: java.io.NotSerializableException: com.extjs.gxt.ui.client.data.RpcMap
at java.io.ObjectOutputStream.writeObject0(Unknown Source)
at java.io.ObjectOutputStream.defaultWriteFields(Unknown Source)
at java.io.ObjectOutputStream.writeSerialData(Unknown Source)
at java.io.ObjectOutputStream.writeOrdinaryObject(Unknown Source)
at java.io.ObjectOutputStream.writeObject0(Unknown Source)
at java.io.ObjectOutputStream.defaultWriteFields(Unknown Source)
at java.io.ObjectOutputStream.writeSerialData(Unknown Source)
at java.io.ObjectOutputStream.writeOrdinaryObject(Unknown Source)
at java.io.ObjectOutputStream.writeObject0(Unknown Source)
at java.io.ObjectOutputStream.writeObject(Unknown Source)
at org.apache.catalina.session.StandardSession.writeObject(StandardSession.java:1415)
at org.apache.catalina.session.StandardSession.writeObjectData(StandardSession.java:902)
at org.apache.catalina.session.StandardManager.doUnload(StandardManager.java:539)
at org.apache.catalina.session.StandardManager.unload(StandardManager.java:485)
at org.apache.catalina.session.StandardManager.stop(StandardManager.java:687)
at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4496)
at org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:952)
at org.apache.catalina.core.StandardHostDeployer.remove(StandardHostDeployer.java:670)
at org.apache.catalina.core.StandardHost.remove(StandardHost.java:946)
at org.apache.catalina.startup.HostConfig.undeployApps(HostConfig.java:1028)
at org.apache.catalina.startup.HostConfig.stop(HostConfig.java:1005)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:351)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1123)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1135)
at org.apache.catalina.core.StandardEngine.stop(StandardEngine.java:483)
at org.apache.catalina.startup.Embedded.stop(Embedded.java:888)
at com.google.gwt.dev.shell.tomcat.EmbeddedTomcatServer.stop(EmbeddedTomcatServer.java:89)
at com.google.gwt.dev.GWTShell.shutDown(GWTShell.java:745)
at com.google.gwt.dev.GWTShell.run(GWTShell.java:595)
at com.google.gwt.dev.GWTShell.main(GWTShell.java:357)

and

[WARN] Exception loading sessions from persistent storage
java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: com.extjs.gxt.ui.client.data.RpcMap
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.readObject(Unknown Source)
at org.apache.catalina.session.StandardSession.readObject(StandardSession.java:1342)
at org.apache.catalina.session.StandardSession.readObjectData(StandardSession.java:885)
at org.apache.catalina.session.StandardManager.doLoad(StandardManager.java:416)
at org.apache.catalina.session.StandardManager.load(StandardManager.java:343)
at org.apache.catalina.session.StandardManager.start(StandardManager.java:657)
at org.apache.catalina.core.ContainerBase.setManager(ContainerBase.java:499)
at org.apache.catalina.startup.ContextConfig.managerConfig(ContextConfig.java:315)
at org.apache.catalina.startup.ContextConfig.start(ContextConfig.java:635)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:216)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4290)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:823)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:595)
at org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeployer.java:277)
at org.apache.catalina.core.StandardHost.install(StandardHost.java:832)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:701)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:432)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:983)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:349)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1091)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:789)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1083)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:478)
at org.apache.catalina.startup.Embedded.start(Embedded.java:846)
at com.google.gwt.dev.shell.tomcat.EmbeddedTomcatServer.<init>(EmbeddedTomcatServer.java:244)
at com.google.gwt.dev.shell.tomcat.EmbeddedTomcatServer.start(EmbeddedTomcatServer.java:69)
at com.google.gwt.dev.GWTShell.startUp(GWTShell.java:778)
at com.google.gwt.dev.GWTShell.run(GWTShell.java:582)
at com.google.gwt.dev.GWTShell.main(GWTShell.java:357)
Caused by: java.io.NotSerializableException: com.extjs.gxt.ui.client.data.RpcMap
at java.io.ObjectOutputStream.writeObject0(Unknown Source)
at java.io.ObjectOutputStream.defaultWriteFields(Unknown Source)
at java.io.ObjectOutputStream.writeSerialData(Unknown Source)
at java.io.ObjectOutputStream.writeOrdinaryObject(Unknown Source)
at java.io.ObjectOutputStream.writeObject0(Unknown Source)
at java.io.ObjectOutputStream.defaultWriteFields(Unknown Source)
at java.io.ObjectOutputStream.writeSerialData(Unknown Source)
at java.io.ObjectOutputStream.writeOrdinaryObject(Unknown Source)
at java.io.ObjectOutputStream.writeObject0(Unknown Source)
at java.io.ObjectOutputStream.writeObject(Unknown Source)
at org.apache.catalina.session.StandardSession.writeObject(StandardSession.java:1415)
at org.apache.catalina.session.StandardSession.writeObjectData(StandardSession.java:902)
at org.apache.catalina.session.StandardManager.doUnload(StandardManager.java:539)
at org.apache.catalina.session.StandardManager.unload(StandardManager.java:485)
at org.apache.catalina.session.StandardManager.stop(StandardManager.java:687)
at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4496)
at org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:952)
at org.apache.catalina.core.StandardHostDeployer.remove(StandardHostDeployer.java:670)
at org.apache.catalina.core.StandardHost.remove(StandardHost.java:946)
at org.apache.catalina.startup.HostConfig.undeployApps(HostConfig.java:1028)
at org.apache.catalina.startup.HostConfig.stop(HostConfig.java:1005)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:351)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1123)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1135)
at org.apache.catalina.core.StandardEngine.stop(StandardEngine.java:483)
at org.apache.catalina.startup.Embedded.stop(Embedded.java:888)
at com.google.gwt.dev.shell.tomcat.EmbeddedTomcatServer.stop(EmbeddedTomcatServer.java:89)
at com.google.gwt.dev.GWTShell.shutDown(GWTShell.java:745)
at com.google.gwt.dev.GWTShell.run(GWTShell.java:595)
at com.google.gwt.dev.GWTShell.main(GWTShell.java:357)

Deployed on Tomcat:

org.apache.catalina.session.StandardSession writeObject
WARNING: Cannot serialize session attribute userinfo for session 4B4C4DA3375B96AA78F7732B6C8C15E4
java.io.NotSerializableException: com.extjs.gxt.ui.client.data.RpcMap
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1156)
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150)
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:326)
at org.apache.catalina.session.StandardSession.writeObject(StandardSession.java:1468)
at org.apache.catalina.session.StandardSession.writeObjectData(StandardSession.java:938)
at org.apache.catalina.session.StandardManager.doUnload(StandardManager.java:516)
at org.apache.catalina.session.StandardManager$PrivilegedDoUnload.run(StandardManager.java:88)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.catalina.session.StandardManager.unload(StandardManager.java:451)
at org.apache.catalina.session.StandardManager.stop(StandardManager.java:666)
at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4358)
at org.apache.catalina.manager.ManagerServlet.stop(ManagerServlet.java:1226)
at org.apache.catalina.manager.HTMLManagerServlet.stop(HTMLManagerServlet.java:548)
at org.apache.catalina.manager.HTMLManagerServlet.doGet(HTMLManagerServlet.java:106)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at sun.reflect.GeneratedMethodAccessor51.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:243)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:275)
at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:161)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:245)
at org.apache.catalina.core.ApplicationFilterChain.access$0(ApplicationFilterChain.java:177)
at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:156)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:152)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:524)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at com.jamontomcat.JAMonTomcat55Valve.invoke(JAMonTomcat55Valve.java:95)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:619)


NB, in neither case is a reference to a class defined by my application.

Any ideas?

Thanks,

Joachim