EAP Host Controller in JBoss ON is marked as down due to agent unable to detect HostController's process-type

Issue

• JBoss ON shows EAP Host Controller as down even it is up and running

• The agent.log file shows:

  ... WARN  [ResourceContainer.invoker.daemon-5] (rhq.modules.plugins.jbossas7.HostControllerComponent)- Unable to detect HostController's process-type
  java.util.concurrent.TimeoutException: Read attribute operation timed out
          at org.rhq.modules.plugins.jbossas7.BaseComponent.readAttribute(BaseComponent.java:873)
          ...
  

• Agent is able to connect only with domain but not with host controller;

• Host Controller marked as DOWN even though it has been UP;

• The agent.log file contains:

  ... WARN  [ResourceContainer.invoker.daemon-5] (rhq.modules.plugins.jbossas7.HostControllerComponent)- Unable to detect HostController's process-type
  java.lang.Exception: Failed to read attribute [process-type] of address [] - response: Result{outcome='failure', failureDescription=The server closed the connection before sending the response, rolled-back=false, rolledBack=false}
          at org.rhq.modules.plugins.jbossas7.BaseComponent.readAttribute(BaseComponent.java:885)
          ...