agent cannot connect to the server. java.lang.ClassNotFoundException: org.hibernate.collection.PersistentMap

Alexey Kamenchuk ak at topdog.ru.net
Fri Jun 25 16:58:11 UTC 2010


OK I had un-inventoried the platform, re-installed the agents and 
inventoried it again. This obviously cured the problem. But this a 
cost... Gives me another reason to think about moving all the 
configuration into a script which can be repeated, should I have same 
issue again...

This box has just one JBoss and standard linux services. I didnt change 
default measurement intervals. So OOME cannot be due to excessive number 
of metrics being collected, can it?. Im pretty sure it relates somehow 
to my changes of the RHQ server address. If agent cannot connect to the 
server - does it keep metrics in memory to send them to the server 
later? Or maybe failed connection retry leaks some resource? (socket, 
memory or file handler)

Thanks for your help, John!

Alexey




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