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java.lang.ClassNotFoundException
java.lang.reflect.UndeclaredThrowableException: java.lang.ClassNotFoundException	at sun.rmi.server.LoaderHandler.loadClass(LoaderHandler.java:318)	at sun.rmi.server.LoaderHandler.loadClass(LoaderHandler.java:132)	at sun.rmi.server.MarshalInputStream.resolveClass(MarshalInputStream.java:143)	at java.io.ObjectInputStream.inputClassDescriptor(ObjectInputStream.java:918)	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:366)	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236)	at java.io.ObjectInputStream.inputObject(ObjectInputStream.java:1186)	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:386)	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236)	at org.jboss.ejb.CacheKey.readExternal(CacheKey.java:86)	at java.io.ObjectInputStream.inputObject(ObjectInputStream.java:1212)	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:386)	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236)	at org.jboss.ejb.plugins.jrmp.interfaces.EntityProxy.readExternal(EntityProxy.java:202)