Bug 1017961 - JMX Plugin can fail testing for registration

Elias Ross genman at noderunner.net
Tue Oct 29 20:40:04 UTC 2013


Hi, I'm sorry if I'm posting to the wrong place.

But to me it's a somewhat serious bug and I don't really follow the
internal details for the MBean/JMX connection management.

https://bugzilla.redhat.com/show_bug.cgi?id=1017961

What I observe is when restarting, say, Tomcat but not the agent, several
child resources such as the Tomcat Connector are marked as down. The
exception seen is an RMI exception saying connection refused.

What fixes this:
1. Restarting the agent
2. Uninventorying the resources and forcing discovery

What I suspect is happening is something is being cached. Would something
like EmsConnection.refresh fix this?
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