RHQ Feature updates or bugs?
David A. Webster
DAWEBSTER at UP.COM
Tue May 10 17:08:17 UTC 2011
>> Am 09.05.2011 um 22:50 schrieb Ian Springer:
>>>> pluginConfiguration.put(new
PropertySimple(JMXDiscoveryComponent.CONNECTION_TYPE,
>>>> LocalVMTypeDescriptor.class.getName()));
>>> I thought the LocalVMTypeDescriptor conn type was for when the managed
>>> JMX server was inside the same process as the RHQ plugin container, at
>> It works for the Hadoop plugin, where all the hadoop processes are
outside the VM.
>>
>>
>I checked the EMS source code and indeed it using the Java Attach API to
discover all VMs on the local machine. I always assumed the "Local" in
the connection type classname meant "local to the JVM", but apparently
it actually means "local to the machine". For anyone else that's curious
what EMS does under the covers to discover the JVMs, the meat of the
code is in this class:
Entered a Bug report, 703557, and attached the plugin we wrote. Compare
that to what you are doing here, probably the same general approach. Also
added a request for a Tomcat Datasource support in the tomcat plugin, with
an attached plugin that does that....bug 703562
David Webster
Union Pacific Railroad
Lead Architect-Web Infrastructure
Systems Engineering
Phone: (402) 544-1094 | Email: dawebster at up.com
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