We're running GeoServer 2.1.0 on TomCat6 on an Ubunto 10.04 box, with a fairly
modest load (just a few dozen users), and we're having repeated problems with
Java out-of-memory errors.
This seems to be when it started:
Dec 21, 2011 12:07:23 PM org.apache.catalina.connector.CoyoteAdapter service
SEVERE: An exception or error occurred in the container during the request
processing
java.lang.OutOfMemoryError: GC overhead limit exceeded
Dec 21, 2011 12:08:51 PM org.apache.coyote.http11.Http11AprProcessor endRequest
SEVERE: Error finishing response
java.lang.OutOfMemoryError: GC overhead limit exceeded
And since then, we've had repeated:
Dec 21, 2011 4:34:02 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet dispatcher threw exception
java.lang.OutOfMemoryError: Java heap space
We're using Sun's JVM:
java version "1.6.0_26"
Java(TM) SE Runtime Environment (build 1.6.0_26-b03)
Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02, mixed mode)
And I'm at a loss as to what is going on.
We're on a machine with 8G of ram, and I've set -Xmx to 1G, and I simply can't
see how we could be hitting memory limits at the kind of load we've been seeing.
Any ideas?
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