Description of problem: Switchyard plugin is polluting agent.log when agent discoveres managed server on EAP6 domain.


Version-Release number of selected component (if applicable):
JON 3.2.ER3

How reproducible: always


Steps to Reproduce:
1. Import EAP6 running in domain mode 
2. observe agent.log

Actual results:

WARN  [InventoryManager.discovery-1] (rhq.core.pc.inventory.InventoryManager)- Failure during discovery for [Deployments] Resources - failed after 0 ms.
java.lang.Exception: Discovery component invocation failed.
        at org.rhq.core.pc.util.DiscoveryComponentProxyFactory$ComponentInvocationThread.call(DiscoveryComponentProxyFactory.java:309)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
        at java.lang.Thread.run(Thread.java:679)
Caused by: java.lang.ClassCastException: org.rhq.modules.plugins.jbossas7.ManagedASComponent cannot be cast to org.rhq.modules.plugins.jbossas7.BaseServerComponent
        at org.switchyard.rhq.plugin.SwitchYardDiscoveryComponent.discoverResources(SwitchYardDiscoveryComponent.java:67)
        at sun.reflect.GeneratedMethodAccessor62.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:616)
        at org.rhq.core.pc.util.DiscoveryComponentProxyFactory$ComponentInvocationThread.call(DiscoveryComponentProxyFactory.java:305)
        ... 5 more


Expected results: Although those exceptions are probably harmless, should not happen


Additional info: