JON is unable to manage or monitor EAP 5 due to incorrect IP address being resolved for the host name provided by the target EAP server

Solution Verified - Updated -

Issue

  • Unable to monitor JBoss server instances from agent

  • Agent log contains the following error:

    org.rhq.core.clientapi.agent.PluginContainerException: Failed to start component for resource Resource[id=31391, uuid=47a47bb2-329a-9413-c62f-080e80ecd8b8, type={JBossAS5}JBossAS Server, key=/opt/jboss/jboss-eap-5.1/jboss-as/server/production, name=EAP somehost.net:1099 production, parent=somehost.net, version=EAP 5.1.2].
...
Caused by: org.rhq.core.pc.inventory.TimeoutException: [Warning] Call to [org.rhq.plugins.jbossas5.ApplicationServerComponent.start()] with args [[org.rhq.core.pluginapi.inventory.ResourceContext@239e2011]] timed out after 60000 milliseconds - invocation thread will be interrupted.

  • Agent is unable to connect to EAP instance due to:

    Caused by: java.net.ConnectException: Connection timed out

Environment

  • Red Hat JBoss Operations Network (ON) 3.1
  • Red Hat JBoss Enterprise Application Platform (EAP) 5
  • JBoss EAP management plug-in for JBoss ON
  • JBoss EAP managed server started using a bind address of 0.0.0.0
  • JBoss EAP managed server's host has a host name which is resolving to an IP address of a different host - For example:
    • Domain Name System (DNS) may be incorrectly configured and is returning the wrong IP address
    • The host has a host mapping entry in its etc/hosts file which provides the wrong IP address for the host's host name

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