I believe I've seen that error when the agent and server are out of sync
with what each thinks is in inventory.
Did you start the agent with --cleanconfig?
On 07/22/2010 08:50 AM, Alexey Kamenchuk wrote:
Hi Heiko
Yes I use 300
Ive restarted the agent but it didnt help - still same error
Cannot say for sure if there was an OOME before, unfortunately logs for
previous days have been deleted
Inventory - 2 JBoss servers
-xmx256MB
All the EJB3 and Hibernate stats metrics are turned off (I have 300+
beans and 200+ hiber entities and dont need those fine-grained metrics yet)
RHQ Agent Measurement subsystem summary:
Recent Measurements
Currently Schedule Measurements: 572
Failed Collections per Minute: 0
Late Collections per Minute: 0
Measurements Collected per Minute: 52.8
Total Time Collecting Measurements per Minute: 314.8ms
Regards
Alexey
On 22.07.2010 15:01, Heiko W.Rupp wrote:
> Hi,
>
> this is very strange.
>
> Am 22.07.2010 um 09:10 schrieb Alexey Kamenchuk:
>
>
>> For one the monitored JBoss servers, Im not able to monitor any of its child
resources (cache, tomcat, ejb's etc). Agent logs reveal exception shown below (there
are multiple of them in logs, one per child resource)
>> Caused by: java.lang.IllegalStateException: No plugin class loader was specified
for org.rhq.core.pc.inventory.ResourceContainer$ComponentInvocationThread@848170f.
>>
> Could this be caused by Out of Memory exceptions that have shown up earlier? Do you
have large inventory on that specific agent?
> I guess that you are using plain RHQ 300 ?
>
> Heiko
>
>
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