[jboss-user] [Beginners Corner] - problem of tutorial from tusc.com.au

[aaronyeo22]

I have test the chapter3 , after deploy and test client.

Failed!!!

anyone can help. thanks a lot.

the below are the message from server:

Request from client : 
java.rmi.ServerException: RemoteException occurred in server thread; nested exception is: 
	java.rmi.ServerException: RuntimeException; nested exception is: 
	java.lang.NullPointerException
	at sun.rmi.server.UnicastServerRef.dispatch(Unknown Source)
	at sun.rmi.transport.Transport$1.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at sun.rmi.transport.Transport.serviceCall(Unknown Source)
	at sun.rmi.transport.tcp.TCPTransport.handleMessages(Unknown Source)
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)
	at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(Unknown Source)
	at sun.rmi.transport.StreamRemoteCall.executeCall(Unknown Source)
	at sun.rmi.server.UnicastRef.invoke(Unknown Source)
	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.StatelessSessionInterceptor.invoke(StatelessSessionInterceptor.java:100)
	at org.jboss.proxy.ClientContainer.invoke(ClientContainer.java:85)
	at $Proxy1.loginUser(Unknown Source)
	at au.com.tusc.client.SessionClient.testBean(SessionClient.java:51)
	at au.com.tusc.client.SessionClient.main(SessionClient.java:64)
Caused by: java.rmi.ServerException: RuntimeException; nested exception is: 
	java.lang.NullPointerException
	at org.jboss.ejb.plugins.LogInterceptor.handleException(LogInterceptor.java:360)
	at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:195)
	at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:122)
	at org.jboss.ejb.StatelessSessionContainer.internalInvoke(StatelessSessionContainer.java:322)
	at org.jboss.ejb.Container.invoke(Container.java:674)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	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(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at sun.rmi.server.UnicastServerRef.dispatch(Unknown Source)
	at sun.rmi.transport.Transport$1.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at sun.rmi.transport.Transport.serviceCall(Unknown Source)
	at sun.rmi.transport.tcp.TCPTransport.handleMessages(Unknown Source)
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException
	at au.com.tusc.dao.StoreAccessDAOImpl.loginUser(StoreAccessDAOImpl.java:52)
	at au.com.tusc.session.StoreAccessSession.loginUser(StoreAccessSession.java:60)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:629)
	at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:186)
	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:243)
	at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:104)
	at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:117)
	at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:191)
	... 21 more 

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