Failed to find method for hash

java.lang.IllegalStateException: Failed to find method for hash:-1229163794870553457

at org.jboss.invocation.MarshalledInvocation.getMethod(MarshalledInvocation.java:261)

at org.jboss.ejb.Container.invoke(Container.java:699)

at sun.reflect.GeneratedMethodAccessor61.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:324)

at org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)

at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:546)

at org.jboss.invocation.jrmp.server.JRMPInvoker.invoke(JRMPInvoker.java:367)

at sun.reflect.GeneratedMethodAccessor60.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:324)

at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:261)

at sun.rmi.transport.Transport$1.run(Transport.java:148)

at java.security.AccessController.doPrivileged(Native Method)

at sun.rmi.transport.Transport.serviceCall(Transport.java:144)

at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:460)

at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:701)

at java.lang.Thread.run(Thread.java:534)

at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:247)

at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:223)

at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:133)

at org.jboss.invocation.jrmp.server.JRMPInvoker_Stub.invoke(Unknown Source)

at org.jboss.invocation.jrmp.interfaces.JRMPInvokerProxy.invoke(JRMPInvokerProxy.java:135)

at org.jboss.invocation.InvokerInterceptor.invoke(InvokerInterceptor.java:96)

at org.jboss.proxy.TransactionInterceptor.invoke(TransactionInterceptor.java:46)

at org.jboss.proxy.SecurityInterceptor.invoke(SecurityInterceptor.java:45)

at org.jboss.proxy.ejb.EntityInterceptor.invoke(EntityInterceptor.java:97)

at org.jboss.proxy.ClientContainer.invoke(ClientContainer.java:85)

at $Proxy1.newOrder(Unknown Source)

at com.cpqd.dsb.exercise.cmp.CustomercmpCMPTest.testNewOrder(CustomercmpCMPTest.java:185)

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:324)

at junit.framework.TestCase.runTest(TestCase.java:154)

at junit.framework.TestCase.runBare(TestCase.java:127)

at junit.framework.TestResult$1.protect(TestResult.java:106)

at junit.framework.TestResult.runProtected(TestResult.java:124)

at junit.framework.TestResult.run(TestResult.java:109)

at junit.framework.TestCase.run(TestCase.java:118)

at junit.framework.TestSuite.runTest(TestSuite.java:208)

at junit.framework.TestSuite.run(TestSuite.java:203)

at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:392)

at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:276)

at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:167)