[Spacewalk-list] OutOfMemory Exception in tomcat

[Michael Mraka]

Pierre Casenove wrote:
% Hello,
% Following 2.1 upgrade, I got the following oom exception in tomcat5, which
% never happened before:
% SEVERE: Exception invoking periodic operation:
% java.lang.OutOfMemoryError: GC overhead limit exceeded
% Mar 13, 2014 6:09:59 AM redstone.xmlrpc.XmlRpcDispatcher writeError
% WARNING: java.lang.OutOfMemoryError: GC overhead limit exceeded
% Mar 13, 2014 6:10:25 AM redstone.xmlrpc.XmlRpcDispatcher writeError
% WARNING: java.lang.OutOfMemoryError: Java heap space
% Mar 13, 2014 6:10:29 AM redstone.xmlrpc.XmlRpcDispatcher writeError
% WARNING: java.lang.OutOfMemoryError: GC overhead limit exceeded
% Mar 13, 2014 6:10:46 AM redstone.xmlrpc.XmlRpcDispatcher writeError
% WARNING: java.lang.OutOfMemoryError: GC overhead limit exceeded
% Mar 13, 2014 6:10:50 AM redstone.xmlrpc.XmlRpcDispatcher writeError
% WARNING: java.lang.OutOfMemoryError: GC overhead limit exceeded
% Mar 13, 2014 6:11:40 AM
% com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector run
% WARNING:
% com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector at 53d1dbff--
% APPARENT DEADLOCK!!! Creating emergency
% threads for unassigned pending tasks!
% Mar 13, 2014 6:11:42 AM
% com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector run
% WARNING:
% com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector at 53d1dbff--
% APPARENT DEADLOCK!!! Complete Status:
%         Managed Threads: 3
%         Active Threads: 0
%         Active Tasks:
%         Pending Tasks:
% 
% com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask at 3e12a96d
% Pool thread stack traces:
% 
% Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1,5,]
% 
% Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0,5,]
% 
% Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#
% 
% Looking at the process, I think it might be tuned!
%  /usr/lib/jvm/java/bin/java -ea -Xms256m -Xmx256m
% 
% Is there a parameter to set to increse Xmx parameter?

Hi Pierre,

Custom tomcat settings are in /etc/sysconfig/tomcat*.


Regards,

--
Michael Mráka
Satellite Engineering, Red Hat