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    Thrown to indicate that a method has been passed an illegal or inappropriate argument. Check that you don't have more than one method existing with the same name.

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java.lang.IllegalArgumentException: wrong number of arguments	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.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:683)	at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:185)	at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:72)	at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:84)	at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:267)	at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:128)	at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:118)	at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:191)	at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:122)	at org.jboss.ejb.StatelessSessionContainer.internalInvoke(StatelessSessionContainer.java:331)	at org.jboss.ejb.Container.invoke(Container.java:700)	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:546)	at org.jboss.invocation.jrmp.server.JRMPInvoker.invoke(JRMPInvoker.java:367)	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:536)