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out of memory error

 
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we were doing some test on the cluster we had , the cluster is runing and round robin is working well. when we get up to 21000 requests the server goes down and gave us this error :
Start server stack trace:
java.lang.OutOfMemoryError:
Start server side trace:
java.lang.OutOfMemoryError
<<no stack trace available>>
end server side stack trace.

are we missing any special configuration on the cluster setup ? or do you think it is a system (kernel) setup on the system? where can i find the system configuration requirement for the cluster if there is any?
thanks a lot for your help.
 
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I would check out this document.
http://e-docs.bea.com/wls/docs61/adminguide/config.html
OutOfMemory means there either is a memory leak in your application or you need to allocate more memory to the VM running your app. Check how much memory you are allocating to each VM in the cluster (-Xms -Xmx args). Also, if you think there is ample memory, for the host that is reporting the OutOfMemory try running your application standalone (without the cluster) and if you have a profiler like JProbe, use it.
 
Greenhorn
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You may want to check this article
http://www.idg.net/ic_788847_1794_9-10000.html
 
Greenhorn
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Hi,
I'm very new to Weblogic application server. Few days bach I received the same error when I tried to run two instances the server in different ports.
Probabbly the error is due to the fact that the system fails to allocate enough memory for your cluster to get going with increased number of requests beyond a certain point.
Thanx.
 
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