Re: extended user class not found problem

[Michal Frackowiak]

I have a diffrent entry in Tomcat's logs. just after a tomcat is 
started, my app throws an error. what helps is reloading app using the 
manager application. but when I start tomcat and try to use my app I get 
an entry in logs:

2003-08-19 22:43:29 StandardManager[/ff] Exception loading sessions from 
persistent storage
java.lang.ExceptionInInitializerError
   at 
pl.fotoforum.ff.om.BaseExtendedUser.<clinit>(BaseExtendedUser.java:36)
   at java.io.ObjectStreamClass.hasStaticInitializer(Native Method)
   at 
java.io.ObjectStreamClass.computeDefaultSUID(ObjectStreamClass.java:1557)
   at java.io.ObjectStreamClass.access$100(ObjectStreamClass.java:47)
   at java.io.ObjectStreamClass$1.run(ObjectStreamClass.java:173)
   at java.security.AccessController.doPrivileged(Native Method)
   at 
java.io.ObjectStreamClass.getSerialVersionUID(ObjectStreamClass.java:170)
   at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:459)
   at 
java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1521)
   at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1435)
   at 
java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1521)
   at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1435)
   at 
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1626)
   at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
   at java.io.ObjectInputStream.readObject(ObjectInputStream.java:324)
   at 
org.apache.catalina.session.StandardSession.readObject(StandardSession.java:1369)
   at 
org.apache.catalina.session.StandardSession.readObjectData(StandardSession.java:864)
   at 
org.apache.catalina.session.StandardManager.load(StandardManager.java:440)
   at 
org.apache.catalina.session.StandardManager.start(StandardManager.java:655)
   at 
org.apache.catalina.core.StandardContext.start(StandardContext.java:3570)
   at 
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:821)
   at 
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807)
   at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:579)
   at 
org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeployer.java:307)
   at org.apache.catalina.core.StandardHost.install(StandardHost.java:772)
   at 
org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:559)
   at 
org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:401)
   at org.apache.catalina.startup.HostConfig.start(HostConfig.java:718)
   at 
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:358)
   at 
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:166)
   at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1196)
   at org.apache.catalina.core.StandardHost.start(StandardHost.java:738)
   at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
   at 
org.apache.catalina.core.StandardEngine.start(StandardEngine.java:347)
   at 
org.apache.catalina.core.StandardService.start(StandardService.java:497)
   at 
org.apache.catalina.core.StandardServer.start(StandardServer.java:2190)
   at org.apache.catalina.startup.Catalina.start(Catalina.java:512)
   at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
   at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
   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.main(Bootstrap.java:203)
Caused by: java.lang.NullPointerException
   at 
org.apache.turbine.om.security.peer.TurbineUserPeer.<clinit>(TurbineUserPeer.java:94)
   ... 44 more

2003-08-19 22:43:30 StandardContext[/ff]: Servlet /ff threw load() exception
javax.servlet.ServletException: Servlet.init() for servlet ff threw 
exception
   at 
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:963)
   at 
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:823)
   at 
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3420)
   at 
org.apache.catalina.core.StandardContext.start(StandardContext.java:3608)
   at 
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:821)
   at 
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807)
   at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:579)
   at 
org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeployer.java:307)
   at org.apache.catalina.core.StandardHost.install(StandardHost.java:772)
   at 
org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:559)
   at 
org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:401)
   at org.apache.catalina.startup.HostConfig.start(HostConfig.java:718)
   at 
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:358)
   at 
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:166)
   at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1196)
   at org.apache.catalina.core.StandardHost.start(StandardHost.java:738)
   at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
   at 
org.apache.catalina.core.StandardEngine.start(StandardEngine.java:347)
   at 
org.apache.catalina.core.StandardService.start(StandardService.java:497)
   at 
org.apache.catalina.core.StandardServer.start(StandardServer.java:2190)
   at org.apache.catalina.startup.Catalina.start(Catalina.java:512)
   at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
   at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
   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.main(Bootstrap.java:203)
----- Root Cause -----
java.lang.NoClassDefFoundError: pl.fotoforum.ff.om.BaseExtendedUser
   at java.lang.Class.forName0(Native Method)
   at java.lang.Class.forName(Class.java:141)
   at 
org.apache.turbine.services.security.BaseSecurityService.init(BaseSecurityService.java:194)
   at 
org.apache.turbine.services.TurbineBaseService.init(TurbineBaseService.java:108)
   at 
org.apache.turbine.services.BaseInitableBroker.initClass(BaseInitableBroker.java:149)
   at 
org.apache.turbine.services.BaseServiceBroker.doInitService(BaseServiceBroker.java:224)
   at 
org.apache.turbine.services.BaseServiceBroker.initServices(BaseServiceBroker.java:193)
   at org.apache.turbine.Turbine.init(Turbine.java:257)
   at javax.servlet.GenericServlet.init(GenericServlet.java:256)
   at 
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:935)
   at 
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:823)
   at 
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3420)
   at 
org.apache.catalina.core.StandardContext.start(StandardContext.java:3608)
   at 
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:821)
   at 
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807)
   at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:579)
   at 
org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeployer.java:307)
   at org.apache.catalina.core.StandardHost.install(StandardHost.java:772)
   at 
org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:559)
   at 
org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:401)
   at org.apache.catalina.startup.HostConfig.start(HostConfig.java:718)
   at 
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:358)
   at 
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:166)
   at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1196)
   at org.apache.catalina.core.StandardHost.start(StandardHost.java:738)
   at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
   at 
org.apache.catalina.core.StandardEngine.start(StandardEngine.java:347)
   at 
org.apache.catalina.core.StandardService.start(StandardService.java:497)
   at 
org.apache.catalina.core.StandardServer.start(StandardServer.java:2190)
   at org.apache.catalina.startup.Catalina.start(Catalina.java:512)
   at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
   at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
   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.main(Bootstrap.java:203)

BUT java.lang.NoClassDefFoundError: pl.fotoforum.ff.om.BaseExtendedUser 
- WHY?????
this class is obviously where it should be!



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