[jboss-user] [EJB/JBoss] - Jboss ejb error

I'm getting this error on a ping() method invoked form client app. every 10min: I'm using JBoss 4.2.3GA and I had this issue only form time to time for one of the deployments. NFO | jvm 1 | 2009/02/12 12:59:45 | 12:59:45,495 ERROR [LogInterceptor] EJBException in method: public abstract void com.pb.ejb.interfaces.PbUserService.ping() throws com.pb.base.PbException,java.rmi.RemoteException: INFO | jvm 1 | 2009/02/12 12:59:45 | javax.ejb.EJBException: Application Error: no concurrent calls on stateful beans INFO | jvm 1 | 2009/02/12 12:59:45 | at org.jboss.ejb.plugins.StatefulSessionInstanceInterceptor.invoke(StatefulSessionInstanceInterceptor.java:307) INFO | jvm 1 | 2009/02/12 12:59:45 | at org.jboss.ejb.plugins.CallValidationInterceptor.invoke(CallValidationInterceptor.java:63) INFO | jvm 1 | 2009/02/12 12:59:45 | at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:121) INFO | jvm 1 | 2009/02/12 12:59:45 | at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:350) INFO | jvm 1 | 2009/02/12 12:59:45 | at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:181) INFO | jvm 1 | 2009/02/12 12:59:45 | at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:205) INFO | jvm 1 | 2009/02/12 12:59:45 | at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:138) INFO | jvm 1 | 2009/02/12 12:59:45 | at org.jboss.ejb.SessionContainer.internalInvoke(SessionContainer.java:648) INFO | jvm 1 | 2009/02/12 12:59:45 | at org.jboss.ejb.Container.invoke(Container.java:960) INFO | jvm 1 | 2009/02/12 12:59:45 | at sun.reflect.GeneratedMethodAccessor201.invoke(Unknown Source) INFO | jvm 1 | 2009/02/12 12:59:45 | at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) INFO | jvm 1 | 2009/02/12 12:59:45 | at java.lang.reflect.Method.invoke(Method.java:597) INFO | jvm 1 | 2009/02/12 12:59:45 | at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155) INFO | jvm 1 | 2009/02/12 12:59:45 | at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94) INFO | jvm 1 | 2009/02/12 12:59:45 | at org.jboss.mx.server.Invocation.invoke(Invocation.java:86) INFO | jvm 1 | 2009/02/12 12:59:45 | at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264) INFO | jvm 1 | 2009/02/12 12:59:45 | at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659) INFO | jvm 1 | 2009/02/12 12:59:45 | at org.jboss.invocation.unified.server.UnifiedInvoker.invoke(UnifiedInvoker.java:231) INFO | jvm 1 | 2009/02/12 12:59:45 | at sun.reflect.GeneratedMethodAccessor200.invoke(Unknown Source) INFO | jvm 1 | 2009/02/12 12:59:45 | at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) INFO | jvm 1 | 2009/02/12 12:59:45 | at java.lang.reflect.Method.invoke(Method.java:597) INFO | jvm 1 | 2009/02/12 12:59:45 | at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155) INFO | jvm 1 | 2009/02/12 12:59:45 | at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94) INFO | jvm 1 | 2009/02/12 12:59:45 | at org.jboss.mx.server.Invocation.invoke(Invocation.java:86) INFO | jvm 1 | 2009/02/12 12:59:45 | at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264) INFO | jvm 1 | 2009/02/12 12:59:45 | at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659) INFO | jvm 1 | 2009/02/12 12:59:45 | at javax.management.MBeanServerInvocationHandler.invoke(MBeanServerInvocationHandler.java:288) INFO | jvm 1 | 2009/02/12 12:59:45 | at $Proxy16.invoke(Unknown Source) INFO | jvm 1 | 2009/02/12 12:59:45 | at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:769) is this a Jboss bug? View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4209997#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...