Application Error: no concurrent calls on stateful beans

[vimala]

Hi,

I am new to jboss and need advise from the experts. When application tried to connect to db from jboss 4.0.5 but having the following error. Here is the log

2016-03-14 19:12:09,469 ERROR [LogInterceptor] EJBException in method: public abstract com.gridnode.pdip.framework.rpf.event.IEventResponse com.gridnode.pdip.framework.rpf.ejb.IEJBClientControllerObj.processEvent(com.gridnode.pdip.framework.rpf.event.IEvent) throws com.gridnode.pdip.framework.rpf.event.EventException,java.rmi.RemoteException:

javax.ejb.EJBException: Application Error: no concurrent calls on stateful beans

  at org.jboss.ejb.plugins.StatefulSessionInstanceInterceptor.invoke(StatefulSessionInstanceInterceptor.java:304)

  at org.jboss.ejb.plugins.CallValidationInterceptor.invoke(CallValidationInterceptor.java:63)

  at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:121)

  at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:315)

  at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:181)

  at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:205)

  at org.jboss.ejb.plugins.CleanShutdownInterceptor.invoke(CleanShutdownInterceptor.java:278)

  at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:136)

  at org.jboss.ejb.SessionContainer.internalInvoke(SessionContainer.java:648)

  at org.jboss.ejb.Container.invoke(Container.java:954)

  at sun.reflect.GeneratedMethodAccessor120.invoke(Unknown Source)

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

  at java.lang.reflect.Method.invoke(Unknown Source)

  at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)

  at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)

  at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)

  at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)

  at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)

  at org.jboss.invocation.pooled.server.PooledInvokerHA.invoke(PooledInvokerHA.java:159)

  at org.jboss.invocation.pooled.server.ServerThread.processInvocation(ServerThread.java:233)

  at org.jboss.invocation.pooled.server.ServerThread.dorun(ServerThread.java:275)

  at org.jboss.invocation.pooled.server.ServerThread.run(ServerThread.java:156)

2016-03-14 19:12:09,479 ERROR [ActionContext] getListItems() failed!

Please advise.

Regards,

Vimala