5 Replies Latest reply on Sep 4, 2007 7:21 AM by dkane

Exception in JBoss console, the root is java.lang.NoClassDef

dkane Aug 31, 2007 6:50 AM

Hello

After deploying some Seam applications to JBoss on my local PC, occasionally the following exception is being printed to the console (even when no applications are actually used):

14:26:04,109 ERROR [STDERR] java.lang.reflect.InvocationTargetException
14:26:04,109 ERROR [STDERR] at sun.reflect.GeneratedMethodAccessor295.invoke(Unknown Source)
14:26:04,109 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
14:26:04,109 ERROR [STDERR] at java.lang.reflect.Method.invoke(Method.java:615)
14:26:04,125 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithMethod(RegularObjectPersister.java:120)
14:26:04,140 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:86)
14:26:04,140 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
14:26:04,140 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
14:26:04,140 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
14:26:04,750 ERROR [STDERR] at org.jboss.serial.persister.ObjectOutputStreamProxy.writeObjectOverride(ObjectOutputStreamProxy.java:60)
14:26:04,750 ERROR [STDERR] at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:320)
14:26:04,750 ERROR [STDERR] at java.util.HashMap.writeObject(HashMap.java:1040)
14:26:04,750 ERROR [STDERR] at sun.reflect.GeneratedMethodAccessor285.invoke(Unknown Source)
14:26:04,750 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
14:26:04,750 ERROR [STDERR] at java.lang.reflect.Method.invoke(Method.java:615)
14:26:04,750 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithMethod(RegularObjectPersister.java:120)
14:26:04,750 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:86)
14:26:04,750 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
14:26:04,750 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
14:26:04,750 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
14:26:04,750 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
14:26:04,750 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
14:26:04,750 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
14:26:04,750 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
14:26:04,750 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
14:26:04,750 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
14:26:04,750 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
14:26:04,750 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
14:26:04,750 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
14:26:04,750 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
14:26:04,750 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.ArrayPersister.saveObjectArray(ArrayPersister.java:110)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.ArrayPersister.writeData(ArrayPersister.java:101)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.io.JBossObjectOutputStream.writeObjectOverride(JBossObjectOutputStream.java:181)
14:26:04,765 ERROR [STDERR] at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:320)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.io.MarshalledObject.<init>(MarshalledObject.java:51)
14:26:04,765 ERROR [STDERR] at org.jboss.ejb3.stateful.StatefulBeanContext.writeExternal(StatefulBeanContext.java:405)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.ExternalizePersister.writeData(ExternalizePersister.java:58)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.io.JBossObjectOutputStream.writeObjectOverride(JBossObjectOutputStream.java:181)
14:26:04,765 ERROR [STDERR] at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:320)
14:26:04,765 ERROR [STDERR] at org.jboss.ejb3.cache.simple.StatefulSessionFilePersistenceManager.passivateSession(StatefulSessionFilePersistenceManager.java:347)
14:26:04,765 ERROR [STDERR] at org.jboss.ejb3.cache.simple.SimpleStatefulCache.passivate(SimpleStatefulCache.java:196)
14:26:04,765 ERROR [STDERR] at org.jboss.ejb3.cache.simple.SimpleStatefulCache$SessionTimeoutTask.run(SimpleStatefulCache.java:129)
14:26:04,765 ERROR [STDERR] Caused by:
14:26:04,765 ERROR [STDERR] java.io.IOException
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithMethod(RegularObjectPersister.java:129)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:86)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.ArrayPersister.saveObjectArray(ArrayPersister.java:110)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.ArrayPersister.writeData(ArrayPersister.java:101)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
14:26:04,765 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
14:26:04,796 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
14:26:04,796 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
14:26:04,796 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
14:26:04,796 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
14:26:04,812 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
14:26:04,812 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
14:26:04,812 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
14:26:04,812 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
14:26:04,828 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
14:26:04,828 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
14:26:04,828 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
14:26:04,828 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
14:26:04,843 ERROR [STDERR] at org.jboss.serial.persister.ObjectOutputStreamProxy.writeObjectOverride(ObjectOutputStreamProxy.java:60)
14:26:04,843 ERROR [STDERR] at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:320)
14:26:04,843 ERROR [STDERR] at java.util.LinkedList.writeObject(LinkedList.java:770)
14:26:04,843 ERROR [STDERR] ... 50 more
14:26:04,843 ERROR [STDERR] Caused by:
14:26:04,859 ERROR [STDERR] java.lang.reflect.InvocationTargetException
14:26:04,859 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
14:26:04,859 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
14:26:04,859 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
14:26:04,859 ERROR [STDERR] at java.lang.reflect.Method.invoke(Method.java:615)
14:26:04,890 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithMethod(RegularObjectPersister.java:120)
14:26:04,890 ERROR [STDERR] ... 106 more
14:26:04,890 ERROR [STDERR] Caused by:
14:26:04,890 ERROR [STDERR] java.io.IOException
14:26:04,890 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithMethod(RegularObjectPersister.java:129)
14:26:04,906 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:86)
14:26:04,906 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
14:26:04,906 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
14:26:04,906 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
14:26:04,921 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
14:26:04,921 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
14:26:04,921 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
14:26:04,921 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
14:26:04,937 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
14:26:04,937 ERROR [STDERR] at org.jboss.serial.persister.ObjectOutputStreamProxy.writeObjectOverride(ObjectOutputStreamProxy.java:60)
14:26:04,937 ERROR [STDERR] at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:320)
14:26:04,937 ERROR [STDERR] at EDU.oswego.cs.dl.util.concurrent.CopyOnWriteArrayList.writeObject(CopyOnWriteArrayList.java:772)
14:26:04,937 ERROR [STDERR] ... 111 more
14:26:04,937 ERROR [STDERR] Caused by:
14:26:04,937 ERROR [STDERR] java.lang.reflect.InvocationTargetException
14:26:04,937 ERROR [STDERR] at sun.reflect.GeneratedMethodAccessor284.invoke(Unknown Source)
14:26:04,937 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
14:26:04,937 ERROR [STDERR] at java.lang.reflect.Method.invoke(Method.java:615)
14:26:04,937 ERROR [STDERR] at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithMethod(RegularObjectPersister.java:120)
14:26:04,937 ERROR [STDERR] ... 123 more
14:26:04,937 ERROR [STDERR] Caused by:
14:26:04,937 ERROR [STDERR] java.lang.NoClassDefFoundError: org.jbpm.graph.exe.ProcessInstance
14:26:04,937 ERROR [STDERR] at java.lang.Class.getDeclaredFieldsImpl(Native Method)
14:26:04,937 ERROR [STDERR] at java.lang.Class.getDeclaredFields(Class.java:505)
14:26:04,937 ERROR [STDERR] at org.jboss.serial.classmetamodel.ClassMetaDataSlot.exploreFields(ClassMetaDataSlot.java:89)
14:26:04,937 ERROR [STDERR] at org.jboss.serial.classmetamodel.ClassMetaDataSlot.<init>(ClassMetaDataSlot.java:58)
14:26:04,937 ERROR [STDERR] at org.jboss.serial.classmetamodel.ClassMetaData.exploreSlots(ClassMetaData.java:411)
14:26:04,937 ERROR [STDERR] at org.jboss.serial.classmetamodel.ClassMetaData.<init>(ClassMetaData.java:138)
14:26:04,937 ERROR [STDERR] at org.jboss.serial.classmetamodel.ClassMetamodelFactory.getClassMetaData(ClassMetamodelFactory.java:350)
14:26:04,937 ERROR [STDERR] at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:168)
14:26:04,937 ERROR [STDERR] at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
14:26:04,937 ERROR [STDERR] at org.jboss.serial.persister.ObjectOutputStreamProxy.writeObjectOverride(ObjectOutputStreamProxy.java:60)
14:26:04,937 ERROR [STDERR] at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:320)
14:26:04,937 ERROR [STDERR] at java.util.Hashtable.writeObject(Hashtable.java:793)
14:26:04,937 ERROR [STDERR] ... 127 more

Looking at root cause, I suppose this is something jbpm-related, but how to catch the reason ?

1. Re: Exception in JBoss console, the root is java.lang.NoClas

wise_guybg Aug 31, 2007 7:11 AM (in response to dkane)

Are you really "occasionally" getting a NoClassDefFoundError exception?

Have you included the jbpm jar? It has to be either in a /lib directory inside your ear, or in the root of the ear with a declaration for the jar in application.xml

Are you using jbpm in your application?
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2. Re: Exception in JBoss console, the root is java.lang.NoClas

wise_guybg Aug 31, 2007 7:14 AM (in response to dkane)

Also notice that the code that is causing this to happen is:
14:26:04,765 ERROR [STDERR] at org.jboss.ejb3.cache.simple.SimpleStatefulCache.passivate(SimpleStatefulCache.java:196)
14:26:04,765 ERROR [STDERR] at org.jboss.ejb3.cache.simple.SimpleStatefulCache$SessionTimeoutTask.run(SimpleStatefulCache.java:129)
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3. Re: Exception in JBoss console, the root is java.lang.NoClas

dkane Aug 31, 2007 9:40 AM (in response to dkane)

wise_guybg,
thank you for your reply.

No, my application does not use jbpm. Earlier I have deployed application with jbpm, keeping to all rules, and it worked well. But now I have undeployed it.

Exception occurs without any user action , just appears in console in background.
Actions

4. Re: Exception in JBoss console, the root is java.lang.NoClas

dkane Sep 4, 2007 6:48 AM (in response to dkane)

Forgot to mention the second sort of exception that happens occasionally in console :

14:40:19,468 ERROR [SimpleStatefulCache] problem passivation thread
javax.ejb.EJBException: Could not passivate; failed to save state
 at org.jboss.ejb3.cache.simple.StatefulSessionFilePersistenceManager.passivateSession(StatefulSessionFilePersistenceManager.java:363)
 at org.jboss.ejb3.cache.simple.SimpleStatefulCache.passivate(SimpleStatefulCache.java:196)
 at org.jboss.ejb3.cache.simple.SimpleStatefulCache$SessionTimeoutTask.run(SimpleStatefulCache.java:129)
Caused by:
java.io.IOException
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithMethod(RegularObjectPersister.java:129)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:86)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.ArrayPersister.saveObjectArray(ArrayPersister.java:110)
 at org.jboss.serial.persister.ArrayPersister.writeData(ArrayPersister.java:101)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.ArrayPersister.saveObjectArray(ArrayPersister.java:110)
 at org.jboss.serial.persister.ArrayPersister.writeData(ArrayPersister.java:101)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.io.JBossObjectOutputStream.writeObjectOverride(JBossObjectOutputStream.java:181)
 at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:320)
 at org.jboss.serial.io.MarshalledObject.<init>(MarshalledObject.java:51)
 at org.jboss.ejb3.stateful.StatefulBeanContext.writeExternal(StatefulBeanContext.java:405)
 at org.jboss.serial.persister.ExternalizePersister.writeData(ExternalizePersister.java:58)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.io.JBossObjectOutputStream.writeObjectOverride(JBossObjectOutputStream.java:181)
 at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:320)
 at org.jboss.ejb3.cache.simple.StatefulSessionFilePersistenceManager.passivateSession(StatefulSessionFilePersistenceManager.java:347)
 ... 2 more
Caused by:
java.lang.reflect.InvocationTargetException
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:615)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithMethod(RegularObjectPersister.java:120)
 ... 99 more
Caused by:
java.io.IOException
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithMethod(RegularObjectPersister.java:129)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:86)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.ObjectOutputStreamProxy.writeObjectOverride(ObjectOutputStreamProxy.java:60)
 at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:320)
 at EDU.oswego.cs.dl.util.concurrent.CopyOnWriteArrayList.writeObject(CopyOnWriteArrayList.java:772)
 ... 104 more
Caused by:
java.lang.reflect.InvocationTargetException
 at sun.reflect.GeneratedMethodAccessor910.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:615)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithMethod(RegularObjectPersister.java:120)
 ... 116 more
Caused by:
java.lang.NoClassDefFoundError: org.drools.WorkingMemory
 at java.lang.Class.getDeclaredFieldsImpl(Native Method)
 at java.lang.Class.getDeclaredFields(Class.java:505)
 at org.jboss.serial.classmetamodel.ClassMetaDataSlot.exploreFields(ClassMetaDataSlot.java:89)
 at org.jboss.serial.classmetamodel.ClassMetaDataSlot.<init>(ClassMetaDataSlot.java:58)
 at org.jboss.serial.classmetamodel.ClassMetaData.exploreSlots(ClassMetaData.java:411)
 at org.jboss.serial.classmetamodel.ClassMetaData.<init>(ClassMetaData.java:138)
 at org.jboss.serial.classmetamodel.ClassMetamodelFactory.getClassMetaData(ClassMetamodelFactory.java:350)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:168)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.ObjectOutputStreamProxy.writeObjectOverride(ObjectOutputStreamProxy.java:60)
 at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:320)
 at java.util.Hashtable.writeObject(Hashtable.java:793)
 ... 120 more

No points to my code in stack trace, no idea how to locate the error..

5. Re: Exception in JBoss console, the root is java.lang.NoClas

dkane Sep 4, 2007 7:21 AM (in response to dkane)

And, yet another one, coming again from background process (sorry for overflooding the thread with these long stack traces)

15:18:32,890 ERROR [SimpleStatefulCache] problem passivation thread
javax.ejb.EJBException: Could not passivate; failed to save state
 at org.jboss.ejb3.cache.simple.StatefulSessionFilePersistenceManager.passivateSession(StatefulSessionFilePersistenceManager.java:363)
 at org.jboss.ejb3.cache.simple.SimpleStatefulCache.passivate(SimpleStatefulCache.java:196)
 at org.jboss.ejb3.cache.simple.SimpleStatefulCache$SessionTimeoutTask.run(SimpleStatefulCache.java:129)
Caused by:
java.io.IOException
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithMethod(RegularObjectPersister.java:129)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:86)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.ArrayPersister.saveObjectArray(ArrayPersister.java:110)
 at org.jboss.serial.persister.ArrayPersister.writeData(ArrayPersister.java:101)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.ArrayPersister.saveObjectArray(ArrayPersister.java:110)
 at org.jboss.serial.persister.ArrayPersister.writeData(ArrayPersister.java:101)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.io.JBossObjectOutputStream.writeObjectOverride(JBossObjectOutputStream.java:181)
 at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:320)
 at org.jboss.serial.io.MarshalledObject.<init>(MarshalledObject.java:51)
 at org.jboss.ejb3.stateful.StatefulBeanContext.writeExternal(StatefulBeanContext.java:405)
 at org.jboss.serial.persister.ExternalizePersister.writeData(ExternalizePersister.java:58)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.io.JBossObjectOutputStream.writeObjectOverride(JBossObjectOutputStream.java:181)
 at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:320)
 at org.jboss.ejb3.cache.simple.StatefulSessionFilePersistenceManager.passivateSession(StatefulSessionFilePersistenceManager.java:347)
 ... 2 more
Caused by:
java.lang.reflect.InvocationTargetException
 at sun.reflect.GeneratedMethodAccessor1040.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:615)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithMethod(RegularObjectPersister.java:120)
 ... 99 more
Caused by:
java.io.IOException
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithMethod(RegularObjectPersister.java:129)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:86)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java:182)
 at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java:90)
 at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java:62)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:276)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.ObjectOutputStreamProxy.writeObjectOverride(ObjectOutputStreamProxy.java:60)
 at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:320)
 at EDU.oswego.cs.dl.util.concurrent.CopyOnWriteArrayList.writeObject(CopyOnWriteArrayList.java:772)
 ... 103 more
Caused by:
java.lang.reflect.InvocationTargetException
 at sun.reflect.GeneratedMethodAccessor910.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:615)
 at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithMethod(RegularObjectPersister.java:120)
 ... 115 more
Caused by:
java.lang.NoClassDefFoundError: com.octo.captcha.service.image.ImageCaptchaService
 at java.lang.Class.getDeclaredFieldsImpl(Native Method)
 at java.lang.Class.getDeclaredFields(Class.java:505)
 at org.jboss.serial.classmetamodel.ClassMetaDataSlot.explorefieldsNonSerializable(ClassMetaDataSlot.java:111)
 at org.jboss.serial.classmetamodel.ClassMetaDataSlot.<init>(ClassMetaDataSlot.java:54)
 at org.jboss.serial.classmetamodel.ClassMetaData.exploreSlots(ClassMetaData.java:417)
 at org.jboss.serial.classmetamodel.ClassMetaData.<init>(ClassMetaData.java:138)
 at org.jboss.serial.classmetamodel.ClassMetamodelFactory.getClassMetaData(ClassMetamodelFactory.java:350)
 at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java:168)
 at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java:206)
 at org.jboss.serial.persister.ObjectOutputStreamProxy.writeObjectOverride(ObjectOutputStreamProxy.java:60)
 at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:320)
 at java.util.Hashtable.writeObject(Hashtable.java:793)
 ... 119 more

What is com.octo.captcha.service.image.ImageCaptchaService ? Never used in my apps.

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