AuthenticationException:Command failed to be authenticated! in JBoss ON log

Issue

• seeing this error in the agent.log file:

2015-05-27 18:52:07,242 ERROR [RHQ Server Polling Thread] (enterprise.communications.command.client.JBossRemotingRemoteCommunicator)- {JBossRemotingRemoteCommunicator.init-callback-failed}The initialize callback has failed. It will be tried again. Cause: org.rhq.enterprise.communications.command.server.AuthenticationException:Command failed to be authenticated!  This command will be ignored and not processed: Command: type=[remotepojo]; cmd-in-response=[false]; config=[{rhq.agent-name=app-web01.otc.local, rhq.security-token=FLYVjlKvCbQFzyqxkf7BkbWtRLJsCxoZ6r9u3HFN0ztBUbLbgOYJRv0A7V5/RY8KkdM=, rhq.externalizable-strategy=AGENT}]; params=[{targetInterfaceName=org.rhq.core.clientapi.server.core.CoreServerService, invocation=NameBasedInvocation[connectAgent]}]. Cause: org.rhq.enterprise.communications.command.server.AuthenticationException: Command failed to be authenticated!  This command will be ignored and not processed: Command: type=[remotepojo]; cmd-in-response=[false]; config=[{rhq.agent-name=app-web01.otc.local, rhq.security-token=FLYVjlKvCbQFzyqxkf7BkbWtRLJsCxoZ6r9u3HFN0ztBUbLbgOYJRv0A7V5/RY8KkdM=, rhq.externalizable-strategy=AGENT}]; params=[{targetInterfaceName=org.rhq.core.clientapi.server.core.CoreServerService, invocation=NameBasedInvocation[connectAgent]}]