The error below is because the class aaa.pm.server.beans.MemberData does not implement java.io.Serializable.
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Tuesday, March 07, 2006 1:09 PM To: Tomcat Users List Subject: Re: Tomcat 5.0.28 memory leak Yes I tried JProbe and during memory debugging I see char[] size going up.If I look into bug databases there are various reasons.Some talk to commons-logging others about session persistance. I am getting the following error in my log4j log for the application.Also I noticed if I run tomcat as an application it doesn't break though I do have memory increase slowly but if I start it as service it breaks even with a few refreshes of the page. [2006-03-07 11:00:39,734] Thread-1 org.apache.catalina.session.ManagerBase ERROR - IOException while loading persisted sessions: java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: aaa.pm.server.beans.MemberData java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: aaa.pm.server.beans.MemberData at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1268) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:322) at java.util.LinkedList.readObject(LinkedList.java:702) 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:324) at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:809) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1733) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1636) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1264) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:322) at org.apache.catalina.session.StandardSession.readObject(StandardSession.java: 1342) at org.apache.catalina.session.StandardSession.readObjectData(StandardSession.j ava: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:3 15) 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(LifecycleSuppor t.java:119) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4290) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:8 23) 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.j ava: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(LifecycleSuppor t.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.core.StandardService.start(StandardService.java:480) at org.apache.catalina.core.StandardServer.start(StandardServer.java:2313) at org.apache.catalina.startup.Catalina.start(Catalina.java:556) 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:324) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:287) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:425) Caused by: java.io.NotSerializableException: aaa.pm.server.beans.MemberData at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1054) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:278) at java.util.LinkedList.writeObject(LinkedList.java:681) 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:324) at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:780) at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1294) at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1245) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1052) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:278) 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:53 9) 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.ja va: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(LifecycleSuppor t.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.core.StandardService.stop(StandardService.java:542) at org.apache.catalina.core.StandardServer.stop(StandardServer.java:2347) at org.apache.catalina.startup.Catalina.stop(Catalina.java:605) at org.apache.catalina.startup.Catalina.start(Catalina.java:580) ... 6 more [2006-03-07 11:00:39,781] Thread-1 org.apache.catalina.session.ManagerBase ERROR - Exception loading sessions from persistent storage java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: aaa.pm.server.beans.MemberData at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1268) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:322) at java.util.LinkedList.readObject(LinkedList.java:702) 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:324) at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:809) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1733) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1636) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1264) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:322) at org.apache.catalina.session.StandardSession.readObject(StandardSession.java: 1342) at org.apache.catalina.session.StandardSession.readObjectData(StandardSession.j ava: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:3 15) 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(LifecycleSuppor t.java:119) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4290) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:8 23) 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.j ava: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(LifecycleSuppor t.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.core.StandardService.start(StandardService.java:480) at org.apache.catalina.core.StandardServer.start(StandardServer.java:2313) at org.apache.catalina.startup.Catalina.start(Catalina.java:556) 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:324) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:287) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:425) Caused by: java.io.NotSerializableException: aaa.pm.server.beans.MemberData at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1054) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:278) at java.util.LinkedList.writeObject(LinkedList.java:681) 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:324) at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:780) at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1294) at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1245) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1052) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:278) 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:53 9) 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.ja va: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(LifecycleSuppor t.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.core.StandardService.stop(StandardService.java:542) at org.apache.catalina.core.StandardServer.stop(StandardServer.java:2347) at org.apache.catalina.startup.Catalina.stop(Catalina.java:605) at org.apache.catalina.startup.Catalina.start(Catalina.java:580) ... 6 more |---------+----------------------------> | | Mark Thomas | | | <[EMAIL PROTECTED]| | | > | | | | | | 03/07/2006 12:02 | | | PM | | | Please respond to| | | "Tomcat Users | | | List" | |---------+----------------------------> >--------------------------------------------------------------------------- ---------------------------------------------------| | | | To: Tomcat Users List <users@tomcat.apache.org> | | cc: | | Subject: Re: Tomcat 5.0.28 memory leak | >--------------------------------------------------------------------------- ---------------------------------------------------| [EMAIL PROTECTED] wrote: > Hello All, > > I posted this question before.I am using tomcat5.0.28 somehow my > application blows the service with memory increasing really quicly > even with one user. > If I test same on tomcat 4.1.24 it runs fine. > Any known leaks with this version ???I think tomcat 5.0 has problems.I have > read issues about the bug with logging mechanism.I tried the > workarounds but no luck:( Have you tried profiling your application? 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