[jboss-user] [Installation, Configuration & DEPLOYMENT] - FATAL [org.jboss.serial.persister.RegularObjectPersister] er

Hi, I am using JBOSS 4.0.4 with Suse Linux 9 for my application. And i am getting following problem randomly while running my applicaton. In my application, we are using jboss-messaging-1.0.1.GA. I don't know in which scenario JBOSS throw this exception. Please let me know immediately since we are facing this issue in client place. FATAL [org.jboss.serial.persister.RegularObjectPersister] error | java.lang.reflect.InvocationTargetException | at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) | at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java(Compiled Code)) | at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java(Compiled Code)) | at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java(Compiled Code)) | at java.lang.reflect.Method.invoke(Method.java(Compiled Code)) | at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithMethod(RegularObjectPersister.java(Compiled Code)) | at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java(Compiled Code)) | at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java(Compiled Code)) | at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java(Compiled Code)) | at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java(Compiled Code)) | at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java(Compiled Code)) | at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java(Compiled Code)) | at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java(Compiled Code)) | at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java(Compiled Code)) | at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java(Compiled Code)) | 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(Compiled Code)) | at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java(Compiled Code)) | at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java(Compiled Code)) | at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java(Compiled Code)) | at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java(Compiled Code)) | at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java(Compiled Code)) | at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java(Compiled Code)) | at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java(Compiled Code)) | at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java(Compiled Code)) | at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java(Compiled Code)) | at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java(Compiled Code)) | at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java(Compiled Code)) | at org.jboss.serial.persister.ArrayPersister.saveObjectArray(ArrayPersister.java:110) | at org.jboss.serial.persister.ArrayPersister.writeData(ArrayPersister.java:101) | at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java(Compiled Code)) | at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java(Compiled Code)) | at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java(Compiled Code)) | at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java(Compiled Code)) | at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java(Compiled Code)) | at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java(Compiled Code)) | at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java(Compiled Code)) | at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java(Compiled Code)) | at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java(Compiled Code)) | at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java(Compiled Code)) | at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java(Compiled Code)) | at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java(Compiled Code)) | at org.jboss.serial.persister.RegularObjectPersister.writeSlotWithFields(RegularObjectPersister.java(Compiled Code)) | at org.jboss.serial.persister.RegularObjectPersister.defaultWrite(RegularObjectPersister.java(Compiled Code)) | at org.jboss.serial.persister.RegularObjectPersister.writeData(RegularObjectPersister.java(Compiled Code)) | at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.describeObject(ObjectDescriptorFactory.java(Compiled Code)) | at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectOutput.writeObject(DataContainer.java(Compiled Code)) | at org.jboss.serial.io.JBossObjectOutputStream.writeObjectOverride(JBossObjectOutputStream.java(Compiled Code)) | at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java(Compiled Code)) | at org.jboss.remoting.serialization.impl.java.JavaSerializationManager.sendObject(JavaSerializationManager.java(Compiled Code)) | at org.jboss.remoting.marshal.serializable.SerializableMarshaller.write(SerializableMarshaller.java(Compiled Code)) | at org.jboss.jms.server.remoting.JMSWireFormat.write(JMSWireFormat.java(Compiled Code)) | at org.jboss.remoting.transport.socket.ServerThread.versionedWrite(ServerThread.java(Compiled Code)) | at org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java(Compiled Code)) | at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java(Compiled Code)) | at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:261) | Caused by: java.lang.NullPointerException | at org.jboss.mx.loading.RepositoryClassLoader.findClass(RepositoryClassLoader.java(Compiled Code)) | at java.lang.ClassLoader.loadClass(ClassLoader.java(Compiled Code)) | at org.jboss.mx.loading.RepositoryClassLoader.loadClassImpl(RepositoryClassLoader.java(Compiled Code)) | at org.jboss.mx.loading.RepositoryClassLoader.loadClass(RepositoryClassLoader.java(Compiled Code)) | at java.lang.ClassLoader.loadClass(ClassLoader.java(Compiled Code)) | at org.jboss.serial.persister.ObjectOutputStreamProxy.putFields(ObjectOutputStreamProxy.java:188) | at java.security.Permissions.writeObject(Permissions.java:384) | ... 57 more View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4165252#... 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