jboss 4 porblem?

[george tan]

hi, i just try using the jboss 4, after that i try to deploy my ejb but failed and in eclipse 3 output as below:
("Can any one help me? This ejb is ok if using jboss 3.X.X")

java.lang.IllegalStateException: Failed to find method for hash:4366277878008320016 available mappings: {4121927297169232143=public abstract void javax.ejb.EJBHome.remove(javax.ejb.Handle) throws java.rmi.RemoteException,javax.ejb.RemoveException, -818798805609912594=public abstract com.atmacc.account.model.Account com.atmacc.account.ejb.AccountFacade.findAccount(java.lang.String) throws com.atmacc.account.exception.CustomApplicationException,java.rmi.RemoteException, 4512095171315154818=public abstract javax.ejb.EJBHome javax.ejb.EJBObject.getEJBHome() throws java.rmi.RemoteException, -8385885699168155837=public abstract void com.atmacc.account.ejb.AccountFacade.depositAccount(com.atmacc.account.model.Account,double) throws com.atmacc.account.exception.CustomApplicationException,java.rmi.RemoteException, 2097582946992605077=public abstract void com.atmacc.account.ejb.AccountFacade.ejbCreate() throws java.rmi.RemoteException, -7423251857241384719=public abstract void javax.ejb.EJBHome.remove(java.lang.Object) throws java.rmi.RemoteException,javax.ejb.RemoveException, 7415355246179212884=public abstract boolean javax.ejb.EJBObject.isIdentical(javax.ejb.EJBObject) throws java.rmi.RemoteException, 8981122088959051067=public abstract javax.ejb.HomeHandle javax.ejb.EJBHome.getHomeHandle() throws java.rmi.RemoteException, -1225864925247205563=public abstract void javax.ejb.EJBObject.remove() throws java.rmi.RemoteException,javax.ejb.RemoveException, 622127109247349995=public abstract com.atmacc.account.ejb.AccountFacade com.atmacc.account.ejb.AccountFacadeHome.create() throws javax.ejb.CreateException,java.rmi.RemoteException, -7740455653474503187=public abstract java.util.List com.atmacc.account.ejb.AccountFacade.findAllAccount() throws com.atmacc.account.exception.CustomApplicationException,java.rmi.RemoteException, 4770566914015483589=public abstract void com.atmacc.account.ejb.AccountFacade.moneyTransfer(com.atmacc.account.model.Account,com.atmacc.account.model.Account,com.atmacc.account.model.Money) throws com.atmacc.account.exception.CustomApplicationException,java.rmi.RemoteException, -883843542736932254=public abstract java.lang.Object javax.ejb.EJBObject.getPrimaryKey() throws java.rmi.RemoteException, -8020633719922250940=public abstract void com.atmacc.account.ejb.AccountFacade.removeAccount(com.atmacc.account.model.Account) throws com.atmacc.account.exception.CustomApplicationException,java.rmi.RemoteException, 3781219857755091396=public abstract javax.ejb.EJBMetaData javax.ejb.EJBHome.getEJBMetaData() throws java.rmi.RemoteException, -3260590760910195779=public abstract javax.ejb.Handle javax.ejb.EJBObject.getHandle() throws java.rmi.RemoteException, -5875717947323655692=public abstract void com.atmacc.account.ejb.AccountFacade.withdrawAccount(com.atmacc.account.model.Account,double) throws com.atmacc.account.exception.CustomApplicationException,java.rmi.RemoteException, 8594593460157411074=public abstract javax.ejb.EJBObject javax.ejb.Handle.getEJBObject() throws java.rmi.RemoteException, 4874008682537070518=public abstract void com.atmacc.account.ejb.AccountFacade.createAccount(com.atmacc.account.model.Account) throws com.atmacc.account.exception.CustomApplicationException,java.rmi.RemoteException}
at org.jboss.invocation.MarshalledInvocation.getMethod(MarshalledInvocation.java:297)
at org.jboss.ejb.Container.invoke(Container.java:830)
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:141)
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:232)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:643)
at org.jboss.invocation.jrmp.server.JRMPInvoker.invoke(JRMPInvoker.java:362)
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:96)
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.create(Unknown Source)
at com.atmacc.account.delegate.BusinessDelegate.findAllAccount(BusinessDelegate.java:75)
at com.atmacc.account.client.BusinessClient.main(BusinessClient.java:54)
Total account holder :0