Server log:
2008-05-12 12:53:39,760 ERROR [org.jboss.remoting.transport.socket.ServerThread] Worker thread initialization failure
java.io.EOFException
at org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:530)
at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:373)
at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:166)

Application log:
Caused by: com.pcm.rules.service.RuleServiceException: Error occurred in obtaining the Remote Reference of the Blaze EJB
at com.pcm.rules.service.blaze.BlazeEJBExecutor.getEJBHandle(BlazeEJBExecutor.java:84)
at com.pcm.rules.service.blaze.BlazeEJBExecutor.invokeRuleService(BlazeEJBExecutor.java:53)
... 4 more
Caused by: java.rmi.MarshalException: Failed to communicate. Problem during marshalling/unmarshalling; nested exception is:
java.io.OptionalDataException
at org.jboss.remoting.transport.socket.SocketClientInvoker.transport(SocketClientInvoker.java:306)
at org.jboss.remoting.RemoteClientInvoker.invoke(RemoteClientInvoker.java:143)
at org.jboss.remoting.Client.invoke(Client.java:525)
at org.jboss.remoting.Client.invoke(Client.java:488)
at org.jboss.invocation.unified.interfaces.UnifiedInvokerProxy.invoke(UnifiedInvokerProxy.java:175)
at org.jboss.invocation.InvokerInterceptor.invokeInvoker(InvokerInterceptor.java:365)
at org.jboss.invocation.InvokerInterceptor.invoke(InvokerInterceptor.java:197)
at org.jboss.proxy.TransactionInterceptor.invoke(TransactionInterceptor.java:61)
at org.jboss.proxy.SecurityInterceptor.invoke(SecurityInterceptor.java:70)
at org.jboss.proxy.ejb.HomeInterceptor.invoke(HomeInterceptor.java:184)
at org.jboss.proxy.ClientContainer.invoke(ClientContainer.java:100)
at $Proxy0.create(Unknown Source)
at com.pcm.rules.service.blaze.BlazeEJBExecutor.getEJBHandle(BlazeEJBExecutor.java:82)
... 5 more
Caused by: java.io.OptionalDataException
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.readObject(Unknown Source)
at org.jboss.remoting.serialization.impl.java.JavaSerializationManager.receiveObject(JavaSerializationManager.java:128)
at org.jboss.remoting.marshal.serializable.SerializableUnMarshaller.read(SerializableUnMarshaller.java:66)
at org.jboss.invocation.unified.marshall.InvocationUnMarshaller.read(InvocationUnMarshaller.java:48)
at org.jboss.remoting.transport.socket.SocketClientInvoker.transport(SocketClientInvoker.java:279)
... 17 more