Hi. I have ear application deployed on jboss 3.2.1 (CVSTag=JBoss_3_2_1 
date=200305041533)

The client code for this application uses the jbossall-client.jar to connect 
and use the ejb's.

The problem is that when I deployed the application on jboss 4.0.1 
(CVSTag=JBoss_4_0_1_RC1 date=200411041143),
I get this following error when trying to use the ejb's:

java.lang.IllegalStateException: Failed to find method for 
hash:-4609096605735334920

When I replace the jbossall-client.jar in the client code with the on that 
comes with the 4.0.1 server it works fine. Shouldn't the old client jar still 
work?

I have tried to use the new jbossall-client.jar (4.0.1) on the old server, I 
then get the following error:

java.lang.IllegalStateException: METHOD IS NOT FOUND

To me this looks like the jbossall-client.jar is not backward compatable, am I 
wrong?

Hope somebody can shed some light on this.

I am including the stack trace of the 2 sections of this case.

java.lang.IllegalStateException: Failed to find method for 
hash:-4609096605735334920
        at 
org.jboss.invocation.MarshalledInvocation.getMethod(MarshalledInvocation.java:367)
        at org.jboss.ejb.Container.invoke(Container.java:876)
        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 
org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:144)
        at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
        at org.jboss.mx.server.Invocation.invoke(Invocation.java:72)
        at 
org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:249)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:642)
        at 
org.jboss.invocation.jrmp.server.JRMPInvoker$MBeanServerAction.invoke(JRMPInvoker.java:805)
        at 
org.jboss.invocation.jrmp.server.JRMPInvoker.invoke(JRMPInvoker.java:406)
        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 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:87)
        at 
org.jboss.proxy.TransactionInterceptor.invoke(TransactionInterceptor.java:46)
        at 
org.jboss.proxy.SecurityInterceptor.invoke(SecurityInterceptor.java:45)
        at org.jboss.proxy.ejb.HomeInterceptor.invoke(HomeInterceptor.java:173)
        at org.jboss.proxy.ClientContainer.invoke(ClientContainer.java:85)
        at $Proxy0.findAll(Unknown Source)
        at 
com.emric.test.finer.toolkit.ejb.ProjectEJBTest.testFindAll(ProjectEJBTest.java:87)
        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 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:421)
        at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:305)
        at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:186)




java.lang.IllegalStateException: METHOD IS NOT FOUND
        at 
org.jboss.invocation.MarshalledInvocation.getMethod(MarshalledInvocation.java:239)
        at org.jboss.ejb.Container.invoke(Container.java:693)
        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 
org.jboss.mx.capability.ReflectedMBeanDispatcher.invoke(ReflectedMBeanDispatcher.java:284)
        at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:549)
        at 
org.jboss.invocation.jrmp.server.JRMPInvoker.invoke(JRMPInvoker.java:359)
        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 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:118)
        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:55)
        at org.jboss.proxy.ejb.HomeInterceptor.invoke(HomeInterceptor.java:169)
        at org.jboss.proxy.ClientContainer.invoke(ClientContainer.java:86)
        at $Proxy0.findAll(Unknown Source)
        at 
com.emric.test.finer.toolkit.ejb.ProjectEJBTest.testFindAll(ProjectEJBTest.java:87)
        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 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:421)
        at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:305)
        at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:186)



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