JON agent fails to communicate with server when server auto-detection is enabled and another agent is already registered with the same name or address

Issue

• agent IllegalStateException: sender object not sending commands

• Error when running an agent:

  java.lang.IllegalStateException: The sender object is currently not sending commands now.
  

• Exception caught while executing server discovery scan

  WARN  [InventoryManager.discovery-1] (rhq.core.pc.inventory.AutoDiscoveryExecutor)- Exception caught while executing server discovery scan.
  java.lang.IllegalStateException: The sender object is currently not sending commands now. Command not sent: [Command: type=[remotepojo]; cmd-in-response=[false]; config=[{rhq.timeout=1800000, rhq.send-throttle=true}]; params=[{invocation=NameBasedInvocation[mergeInventoryReport], targetInterfaceName=org.rhq.core.clientapi.server.discovery.DiscoveryServerService}]]
  

• Resource activation or upgrade failed with an exception

  ERROR [main] (rhq.core.pc.inventory.InventoryManager)- Resource activation or upgrade failed with an exception. An attempt to merely activate the resources will be made now.
  java.lang.IllegalStateException: The sender object is currently not sending commands now. Command not sent: [Command: type=[remotepojo]; cmd-in-response=[false]; config=[{rhq.timeout=1800000, rhq.send-throttle=true}]; params=[{invocation=NameBasedInvocation[mergeInventoryReport], targetInterfaceName=org.rhq.core.clientapi.server.discovery.DiscoveryServerService}]]
  

• Agent is unable to issue commands

• Not able to communicate with server