Essam Raafat [https://community.jboss.org/people/e_rafaat] created the discussion "JBoss AS 7.1 - How to create application Client that uses a deployed EJB" To view the discussion, visit: https://community.jboss.org/message/746877#746877 -------------------------------------------------------------- Hello all, I created a simple EJB called ProducerBean, and i want to test it using application client, public class Main {           public static void main(String[] args) {                     // TODO Auto-generated method stub                     InitialContext ctx;                     try {                               Properties jndiProps = new Properties();                               jndiProps.put(Context.INITIAL_CONTEXT_FACTORY, "org.jboss.naming.remote.client.InitialContextFactory");                               jndiProps.put(Context.PROVIDER_URL,"remote://localhost:4447");                               jndiProps.put(Context.SECURITY_PRINCIPAL,"adminUser");                               jndiProps.put(Context.SECURITY_CREDENTIALS, "93842b358571ba9fd3a537e47f36c26b");                               ctx = new InitialContext(jndiProps);                               Producer bean = (Producer) ctx.lookup("java:global/JMS-tut1/ProducerBean");                               System.out.println(bean.add(2,3));                     } catch (NamingException e) {                               // TODO Auto-generated catch block                               e.printStackTrace();                     }           }           /* (non-Java-doc)            * @see java.lang.Object#Object()            */           public Main() {                     super();           } } but when running this code, it throws the following exception Jul 09, 2012 11:49:28 AM org.jboss.remoting3.remote.RemoteConnection handleException ERROR: JBREM000200: Remote connection failed: javax.security.sasl.SaslException: Authentication failed: all available authentication mechanisms failed javax.naming.NamingException: Failed to create remoting connection [Root exception is java.lang.RuntimeException: javax.security.sasl.SaslException: Authentication failed: all available authentication mechanisms failed]           at org.jboss.naming.remote.client.ClientUtil.namingException(ClientUtil.java:36)           at org.jboss.naming.remote.client.InitialContextFactory.getInitialContext(InitialContextFactory.java:121)           at javax.naming.spi.NamingManager.getInitialContext(Unknown Source)           at javax.naming.InitialContext.getDefaultInitCtx(Unknown Source)           at javax.naming.InitialContext.init(Unknown Source)           at javax.naming.InitialContext.<init>(Unknown Source)           at Main.main(Main.java:23) Caused by: java.lang.RuntimeException: javax.security.sasl.SaslException: Authentication failed: all available authentication mechanisms failed           at org.jboss.naming.remote.protocol.IoFutureHelper.get(IoFutureHelper.java:87)           at org.jboss.naming.remote.client.NamingStoreCache.getRemoteNamingStore(NamingStoreCache.java:56)           at org.jboss.naming.remote.client.InitialContextFactory.getOrCreateCachedNamingStore(InitialContextFactory.java:166)           at org.jboss.naming.remote.client.InitialContextFactory.getOrCreateNamingStore(InitialContextFactory.java:139)           at org.jboss.naming.remote.client.InitialContextFactory.getInitialContext(InitialContextFactory.java:104)           ... 5 more Caused by: javax.security.sasl.SaslException: Authentication failed: all available authentication mechanisms failed           at org.jboss.remoting3.remote.ClientConnectionOpenListener$Capabilities.handleEvent(ClientConnectionOpenListener.java:365)           at org.jboss.remoting3.remote.ClientConnectionOpenListener$Capabilities.handleEvent(ClientConnectionOpenListener.java:214)           at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:72)           at org.xnio.channels.TranslatingSuspendableChannel.handleReadable(TranslatingSuspendableChannel.java:189)           at org.xnio.channels.TranslatingSuspendableChannel$1.handleEvent(TranslatingSuspendableChannel.java:103)           at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:72)           at org.xnio.nio.NioHandle.run(NioHandle.java:90)           at org.xnio.nio.WorkerThread.run(WorkerThread.java:184)           at ...asynchronous invocation...(Unknown Source)           at org.jboss.remoting3.EndpointImpl.doConnect(EndpointImpl.java:270)           at org.jboss.remoting3.EndpointImpl.doConnect(EndpointImpl.java:251)           at org.jboss.remoting3.EndpointImpl.connect(EndpointImpl.java:349)           at org.jboss.remoting3.EndpointImpl.connect(EndpointImpl.java:333)           at org.jboss.naming.remote.client.EndpointCache$EndpointWrapper.connect(EndpointCache.java:105)           at org.jboss.naming.remote.client.NamingStoreCache.getRemoteNamingStore(NamingStoreCache.java:55)           ... 8 more any ideas ?? 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