Hi Jesper thanks for quick answer. In my session bean I want to read this jndi-name="java:/eis/IMSConnectionFactory" Here is the extension in standalone.xml. ims1211.rar XATransaction 19000 localhost IMS Connection 10 100 10 Here is my code InitialContext ctx = null; Properties env = new Properties(); IMSConnection c = null; IMSConnectionFactory cf= null; try { ctx = new InitialContext(env); cf = (IMSConnectionFactory)ctx.lookup("eis/IMSConnectionFactory"); c = (IMSConnection)cf.getConnection(); }catch(NamingException e) { e. }catch(Exception e){ e.print } Here is the stack trace 15:42:35,343 INFO [stdout] (EJB default - 1) Error javax.naming.NameNotFoundException: eis/IMSConnectionFactory -- service jboss.naming.context.java.eis.IMSConnectionFactory 15:42:35,343 ERROR [stderr] (EJB default - 1) javax.naming.NameNotFoundException: eis/IMSConnectionFactory -- service jboss.naming.context.java.eis.IMSConnectionFactory 15:42:35,343 ERROR [stderr] (EJB default - 1) at org.jboss.as.naming.ServiceBasedNamingStore.lookup(ServiceBasedNamingStore.java:97) 15:42:35,343 ERROR [stderr] (EJB default - 1) at org.jboss.as.naming.NamingContext.lookup(NamingContext.java:177) 15:42:35,343 ERROR [stderr] (EJB default - 1) at org.jboss.as.naming.InitialContext.lookup(InitialContext.java:113) 15:42:35,343 ERROR [stderr] (EJB default - 1) at org.jboss.as.naming.NamingContext.lookup(NamingContext.java:213) 15:42:35,343 ERROR [stderr] (EJB default - 1) at javax.naming.InitialContext.lookup(Unknown Source) 15:42:35,343 ERROR [stderr] (EJB default - 1) at de.bundeswehr.wewis.bussineslogic.JCAClient.getJCA(JCAClient.java:64) 15:42:35,343 ERROR [stderr] (EJB default - 1) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 15:42:35,343 ERROR [stderr] (EJB default - 1) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) 15:42:35,343 ERROR [stderr] (EJB default - 1) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) 15:42:35,343 ERROR [stderr] (EJB default - 1) at java.lang.reflect.Method.invoke(Unknown Source) 15:42:35,343 ERROR [stderr] (EJB default - 1) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptorFactory$ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptorFactory.java:72) 15:42:35,343 ERROR [stderr] (EJB default - 1) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) 15:42:35,359 ERROR [stderr] (EJB default - 1) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:53) 15:42:35,359 ERROR [stderr] (EJB default - 1) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:36) 15:42:35,359 ERROR [stderr] (EJB default - 1) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) 15:42:35,359 ERROR [stderr] (EJB default - 1) at org.jboss.as.jpa.interceptor.SBInvocationInterceptor.processInvocation(SBInvocationInterceptor.java:47) 15:42:35,359 ERROR [stderr] (EJB default - 1) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) 15:42:35,359 ERROR [stderr] (EJB default - 1) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) 15:42:35,359 ERROR [stderr] (EJB default - 1) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) 15:42:35,359 ERROR [stderr] (EJB default - 1) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) 15:42:35,359 ERROR [stderr] (EJB default - 1) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:53) 15:42:35,359 ERROR [stderr] (EJB default - 1) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) 15:42:35,359 ERROR [stderr] (EJB default - 1) at org.jboss.as.ejb3.component.pool.PooledInstanceInterceptor.processInvocation(PooledInstanceInterceptor.java:51) 15:42:35,359 ERROR [stderr] (EJB default - 1) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) 15:42:35,360 ERROR [stderr] (EJB default - 1) at org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:228) 15:42:35,360 ERROR [stderr] (EJB default - 1) at org.jboss.as.ejb3.tx.CMTTxInterceptor.required(CMTTxInterceptor.java:304) 15:42:35,360 ERROR [stderr] (EJB default - 1) at org.jboss.as.ejb3.tx.CMTTxInterceptor.processInvocation(CMTTxInterceptor.java:190) 15:42:35,360 ERROR [stderr] (EJB default - 1) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) 15:42:35,360 ERROR [stderr] (EJB default - 1) at org.jboss.as.ejb3.remote.EJBRemoteTransactionPropogatingInterceptor.processInvocation(EJBRemoteTransactionPropogatingInterceptor.java:80) 15:42:35,376 ERROR [stderr] (EJB default - 1) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) 15:42:35,392 ERROR [stderr] (EJB default - 1) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) 15:42:35,392 ERROR [stderr] (EJB default - 1) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) 15:42:35,392 ERROR [stderr] (EJB default - 1) at org.jboss.as.ejb3.component.interceptors.LoggingInterceptor.processInvocation(LoggingInterceptor.java:59) 15:42:35,392 ERROR [stderr] (EJB default - 1) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) 15:42:35,392 ERROR [stderr] (EJB default - 1) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) 15:42:35,392 ERROR [stderr] (EJB default - 1) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) 15:42:35,392 ERROR [stderr] (EJB default - 1) at org.jboss.as.ee.component.TCCLInterceptor.processInvocation(TCCLInterceptor.java:45) 15:42:35,392 ERROR [stderr] (EJB default - 1) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) 15:42:35,392 ERROR [stderr] (EJB default - 1) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) 15:42:35,392 ERROR [stderr] (EJB default - 1) at org.jboss.as.ee.component.ViewService$View.invoke(ViewService.java:165) 15:42:35,392 ERROR [stderr] (EJB default - 1) at org.jboss.as.ejb3.remote.protocol.versionone.MethodInvocationMessageHandler.invokeMethod(MethodInvocationMessageHandler.java:300) 15:42:35,392 ERROR [stderr] (EJB default - 1) at org.jboss.as.ejb3.remote.protocol.versionone.MethodInvocationMessageHandler.access$200(MethodInvocationMessageHandler.java:64) 15:42:35,392 ERROR [stderr] (EJB default - 1) at org.jboss.as.ejb3.remote.protocol.versionone.MethodInvocationMessageHandler$1.run(MethodInvocationMessageHandler.java:194) 15:42:35,392 ERROR [stderr] (EJB default - 1) at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) 15:42:35,392 ERROR [stderr] (EJB default - 1) at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source) 15:42:35,392 ERROR [stderr] (EJB default - 1) at java.util.concurrent.FutureTask.run(Unknown Source) 15:42:35,392 ERROR [stderr] (EJB default - 1) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)15:42:35,408 ERROR [stderr] (EJB default - 1) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 15:42:35,408 ERROR [stderr] (EJB default - 1) at java.lang.Thread.run(Unknown Source) 15:42:35,408 ERROR [stderr] (EJB default - 1) at org.jboss.threads.JBossThread.run(JBossThread.java:122) I am already stuck with this problem since last week. TIA Richard