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Help with MDB getting "Security Context is null" error when accessing the JMX RMI Adaptor
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created by <a href="http://community.jboss.org/people/santoro63">Alexandre Santoro</a> in <i>JMX Development</i> - <a href="http://community.jboss.org/message/586821#586821">View the full discussion</a>
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<div class="jive-rendered-content"><p>I am at my wit's end and would appreciate some help with this problem. Here's what's happening.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I am running JBoss AS 5.1.0.GA and have created an mdb with an onMessage() method that looks like this:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: courier new,courier;">public void onMessage(Message m) {</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>     processMessage(m);</p><p>     LOG.info("finished processing " + m");</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: courier new,courier;">}</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The processMessage method eventually gets the RMIAdaptor from jndi and makes a call to it. </p><p><span style="font-family: arial,helvetica,sans-serif;">When the code runs, it prints the LOG.info message in the log file suggesting it has finished processing, but after that fails with the following stack trace:</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>16:56:47,994 ERROR [JmsServerSession] Unexpected error delivering message delegator->JBossMessage[21256369076322305]:PERSISTENT, deliveryId=0</p><p>javax.ejb.EJBException: RuntimeException</p><p>    at org.jboss.ejb.plugins.LogInterceptor.handleException(LogInterceptor.java:417)</p><p>    at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:209)</p><p>    at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:138)</p><p>    at org.jboss.ejb.MessageDrivenContainer.internalInvoke(MessageDrivenContainer.java:415)</p><p>    at org.jboss.ejb.Container.invoke(Container.java:1029)</p><p>    at sun.reflect.GeneratedMethodAccessor376.invoke(Unknown Source)</p><p>    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p>    at java.lang.reflect.Method.invoke(Method.java:597)</p><p>    at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:157)</p><p>    at org.jboss.mx.server.Invocation.dispatch(Invocation.java:96)</p><p>    at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)</p><p>    at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)</p><p>    at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:668)</p><p>    at org.jboss.invocation.local.LocalInvoker$MBeanServerAction.invoke(LocalInvoker.java:169)</p><p>    at org.jboss.invocation.local.LocalInvoker.invoke(LocalInvoker.java:118)</p><p>    at org.jboss.invocation.InvokerInterceptor.invokeLocal(InvokerInterceptor.java:209)</p><p>    at org.jboss.invocation.InvokerInterceptor.invoke(InvokerInterceptor.java:195)</p><p>    at org.jboss.proxy.TransactionInterceptor.invoke(TransactionInterceptor.java:61)</p><p>    at org.jboss.ejb.plugins.inflow.MessageEndpointInterceptor.delivery(MessageEndpointInterceptor.java:249)</p><p>    at org.jboss.ejb.plugins.inflow.MessageEndpointInterceptor.invoke(MessageEndpointInterceptor.java:128)</p><p>    at org.jboss.proxy.ClientMethodInterceptor.invoke(ClientMethodInterceptor.java:74)</p><p>    at org.jboss.proxy.ClientContainer.invoke(ClientContainer.java:101)</p><p>    at $Proxy293.onMessage(Unknown Source)</p><p>    at org.jboss.resource.adapter.jms.inflow.JmsServerSession.onMessage(JmsServerSession.java:178)</p><p>    at org.jboss.jms.client.container.ClientConsumer.callOnMessageStatic(ClientConsumer.java:160)</p><p>    at org.jboss.jms.client.container.SessionAspect.handleRun(SessionAspect.java:831)</p><p>    at org.jboss.aop.advice.org.jboss.jms.client.container.SessionAspect_z_handleRun_494204024.invoke(SessionAspect_z_handleRun_494204024.java)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)</p><p>    at org.jboss.jms.client.container.ClosedInterceptor.invoke(ClosedInterceptor.java:170)</p><p>    at org.jboss.aop.advice.PerInstanceInterceptor.invoke(PerInstanceInterceptor.java:86)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)</p><p>    at org.jboss.jms.client.delegate.ClientSessionDelegate.run(ClientSessionDelegate.java)</p><p>    at org.jboss.jms.client.JBossSession.run(JBossSession.java:199)</p><p>    at org.jboss.resource.adapter.jms.inflow.JmsServerSession.run(JmsServerSession.java:234)</p><p>    at org.jboss.resource.work.WorkWrapper.execute(WorkWrapper.java:205)</p><p>    at org.jboss.util.threadpool.BasicTaskWrapper.run(BasicTaskWrapper.java:260)</p><p>    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)</p><p>    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)</p><p>    at java.lang.Thread.run(Thread.java:619)</p><p>Caused by: java.lang.IllegalStateException: Security Context is null</p><p>    at org.jboss.ejb.plugins.SecurityActions$RunAsIdentityActions$2.pop(SecurityActions.java:143)</p><p>    at org.jboss.ejb.plugins.SecurityActions.popRunAsIdentity(SecurityActions.java:244)</p><p>    at org.jboss.ejb.plugins.RunAsSecurityInterceptor.process(RunAsSecurityInterceptor.java:139)</p><p>    at org.jboss.ejb.plugins.RunAsSecurityInterceptor.invoke(RunAsSecurityInterceptor.java:103)</p><p>    at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:205)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I have tried setting the unauthenticatedIdentity property in the <application-context name="other"> element, as well as </p><p>including the <run-as> element in the ejb-jar.xml descriptor for this bean. No matter what I do I get the same error. </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Does anyone what is it that causes this stack trace to happen AFTER the method uses the RMIAdaptor and exits? Am I missing some RMI configuration I am not aware of?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thanks for your help in advance,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>- Alex</p></div>
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