When start tomcat:

02.07.2010 11:37:51 com.metaparadigm.jsonrpc.JSONRPCBridge registerLocalArgResolver
INFO: registered local arg resolver com.metaparadigm.jsonrpc.HttpServletRequestArgResolver for local c
lass javax.servlet.http.HttpServletRequest with context javax.servlet.http.HttpServletRequest
02.07.2010 11:37:51 com.metaparadigm.jsonrpc.JSONRPCBridge registerLocalArgResolver
INFO: registered local arg resolver com.metaparadigm.jsonrpc.HttpSessionArgResolver for local class ja
vax.servlet.http.HttpSession with context javax.servlet.http.HttpServletRequest
02.07.2010 11:37:51 com.metaparadigm.jsonrpc.JSONRPCBridge registerLocalArgResolver
INFO: registered local arg resolver com.metaparadigm.jsonrpc.JSONRPCBridgeServletArgResolver for local
 class com.metaparadigm.jsonrpc.JSONRPCBridge with context javax.servlet.http.HttpServletRequest
02.07.2010 11:37:51 org.apache.catalina.session.StandardManager doLoad
SEVERE: IOException while loading persisted sessions: java.io.WriteAbortedException: writing aborted; 
java.io.NotSerializableException: com.ecyrd.jspwiki.auth.UserManager
java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: com.ecyrd.jspwiki.au
th.UserManager
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1333)
        at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
        at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
        at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
        at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
        at java.util.HashMap.readObject(HashMap.java:1030)
        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 java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
        at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
        at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
        at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
        at org.apache.catalina.session.StandardSession.readObject(StandardSession.java:1402)
        at org.apache.catalina.session.StandardSession.readObjectData(StandardSession.java:931)
        at org.apache.catalina.session.StandardManager.doLoad(StandardManager.java:394)
        at org.apache.catalina.session.StandardManager.load(StandardManager.java:321)
        at org.apache.catalina.session.StandardManager.start(StandardManager.java:637)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:4166)
        at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:760)
        at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:740)
        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:544)
        at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:626)
        at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:553)
        at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:488)
        at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1149)
        at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
        at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1022)
        at org.apache.catalina.core.StandardHost.start(StandardHost.java:736)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)
        at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
        at org.apache.catalina.core.StandardService.start(StandardService.java:448)
        at org.apache.catalina.core.StandardServer.start(StandardServer.java:700)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:552)
        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.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295)
        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.apache.commons.daemon.support.DaemonLoader.start(DaemonLoader.java:177)
Caused by: java.io.NotSerializableException: com.ecyrd.jspwiki.auth.UserManager
        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 java.util.HashMap.writeObject(HashMap.java:1001)
        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 java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:945)
        at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1461)
        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:1478)
        at org.apache.catalina.session.StandardSession.writeObjectData(StandardSession.java:948)
        at org.apache.catalina.session.StandardManager.doUnload(StandardManager.java:517)
        at org.apache.catalina.session.StandardManager.unload(StandardManager.java:463)
        at org.apache.catalina.session.StandardManager.stop(StandardManager.java:667)
        at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4360)
        at org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:893)
        at org.apache.catalina.startup.HostConfig.undeployApps(HostConfig.java:1191)
        at org.apache.catalina.startup.HostConfig.stop(HostConfig.java:1162)
        at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:313)
        at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120)
        at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1055)
        at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1067)
        at org.apache.catalina.core.StandardEngine.stop(StandardEngine.java:448)
        at org.apache.catalina.core.StandardService.stop(StandardService.java:510)
        at org.apache.catalina.core.StandardServer.stop(StandardServer.java:734)
        at org.apache.catalina.startup.Catalina.stop(Catalina.java:602)
        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.apache.catalina.startup.Bootstrap.stop(Bootstrap.java:307)
        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.apache.commons.daemon.support.DaemonLoader.stop(DaemonLoader.java:200)
02.07.2010 11:37:51 org.apache.catalina.session.StandardManager start
SEVERE: Exception loading sessions from persistent storage
java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: com.ecyrd.jspwiki.au
th.UserManager
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1333)
        at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
        at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
        at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
        at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
        at java.util.HashMap.readObject(HashMap.java:1030)
        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 java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
        at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
        at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
        at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
        at org.apache.catalina.session.StandardSession.readObject(StandardSession.java:1402)
        at org.apache.catalina.session.StandardSession.readObjectData(StandardSession.java:931)
        at org.apache.catalina.session.StandardManager.doLoad(StandardManager.java:394)
        at org.apache.catalina.session.StandardManager.load(StandardManager.java:321)
        at org.apache.catalina.session.StandardManager.start(StandardManager.java:637)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:4166)
        at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:760)
        at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:740)
        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:544)
        at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:626)
        at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:553)
        at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:488)
        at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1149)
        at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
        at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1022)
        at org.apache.catalina.core.StandardHost.start(StandardHost.java:736)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)
        at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
        at org.apache.catalina.core.StandardService.start(StandardService.java:448)
        at org.apache.catalina.core.StandardServer.start(StandardServer.java:700)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:552)
        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.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295)
        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.apache.commons.daemon.support.DaemonLoader.start(DaemonLoader.java:177)
Caused by: java.io.NotSerializableException: com.ecyrd.jspwiki.auth.UserManager
        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 java.util.HashMap.writeObject(HashMap.java:1001)
        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 java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:945)
        at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1461)
        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:1478)
        at org.apache.catalina.session.StandardSession.writeObjectData(StandardSession.java:948)
        at org.apache.catalina.session.StandardManager.doUnload(StandardManager.java:517)
        at org.apache.catalina.session.StandardManager.unload(StandardManager.java:463)
        at org.apache.catalina.session.StandardManager.stop(StandardManager.java:667)
        at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4360)
        at org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:893)
        at org.apache.catalina.startup.HostConfig.undeployApps(HostConfig.java:1191)
        at org.apache.catalina.startup.HostConfig.stop(HostConfig.java:1162)
        at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:313)
        at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120)
        at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1055)
        at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1067)
        at org.apache.catalina.core.StandardEngine.stop(StandardEngine.java:448)
        at org.apache.catalina.core.StandardService.stop(StandardService.java:510)
        at org.apache.catalina.core.StandardServer.stop(StandardServer.java:734)
        at org.apache.catalina.startup.Catalina.stop(Catalina.java:602)
        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.apache.catalina.startup.Bootstrap.stop(Bootstrap.java:307)
        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.apache.commons.daemon.support.DaemonLoader.stop(DaemonLoader.java:200)
