Failed to authenticate the remote EJBs in cluster in EAP6

Issue

• Following error comes while assessing ejb client code

INFO: EJBCLIENT000013: Successful version handshake completed for receiver context EJBReceiverContext{clientContext=org.jboss.ejb.client.EJBClientContext@1232784a, receiver=Remoting connection EJB receiver [connection=Remoting connection <487a1576>,channel=jboss.ejb,nodename=jb61]} on channel Channel ID 80258935 (outbound) of Remoting connection 651dba45 to /10.10.10.10:4447
Aug 24, 2012 12:01:33 PM org.jboss.remoting3.remote.RemoteConnection handleException
ERROR: JBREM000200: Remote connection failed: javax.security.sasl.SaslException: Authentication failed: all available authentication mechanisms failed
Aug 24, 2012 12:01:33 PM org.jboss.ejb.client.remoting.RemotingConnectionClusterNodeManager getEJBReceiver
INFO: Could not create a connection for cluster node ClusterNode{clusterName='ejb', nodeName='jb62', clientMappings=[ClientMapping{sourceNetworkAddress=/0:0:0:0:0:0:0:0, sourceNetworkMaskBits=0, destinationAddress='10.10.10.10', destinationPort=4447}], resolvedDestination=[Destination address=10.10.10.10, destination port=4447]} in cluster ejb
java.lang.RuntimeException: javax.security.sasl.SaslException: Authentication failed: all available authentication mechanisms failed
        at org.jboss.ejb.client.remoting.IoFutureHelper.get(IoFutureHelper.java:91)
        at org.jboss.ejb.client.remoting.RemotingConnectionClusterNodeManager.getEJBReceiver(RemotingConnectionClusterNodeManager.java:104)
        at org.jboss.ejb.client.ClusterContext$EJBReceiverAssociationTask.call(ClusterContext.java:406)
        at org.jboss.ejb.client.ClusterContext$EJBReceiverAssociationTask.call(ClusterContext.java:380)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)
Caused by: javax.security.sasl.SaslException: Authentication failed: all available authentication mechanisms failed
        at org.jboss.remoting3.remote.ClientConnectionOpenListener$Capabilities.handleEvent(ClientConnectionOpenListener.java:315)
        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)