One place where I've seen large amounts of heap get consumed is when
using the Content subsystem to install a very large cumulative patch or
EAR or WAR. I think we recently converted most (possibly all) places
that access package bits to using streams rather than copying the all of
the bits into memory. However, there may still be a few places that copy
into memory. Are you using RHQ at all for installing/deploying large
packages?
On 01/07/2011 02:57 PM, Bala Nair wrote:
I am seeing the following error in the server log when an agent trys
to
connect to the server. The server had been running for quite some time
(1-2 weeks) and jconsole showed it out of heap memory. I have restarted
the server with the HeapDumpOnOutOfMemoryError java option to capture
anything if it happens again. Anybody seen this before?
2011-01-07 13:50:37,001 INFO
[org.rhq.enterprise.server.core.CoreServerServiceImpl] Agent
[aphilLabMMC1][3.0.0(59e9341)] would like to connect to this server
2011-01-07 13:50:41,350 INFO
[org.rhq.enterprise.server.core.CoreServerServiceImpl] Agent
[aphilLabMMC1] has connected to this server at Fri Jan 07 13:50:41 EST 2011
2011-01-07 13:50:41,351 ERROR
[org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/jboss-remoting-servlet-invoker].[ServerInvokerServlet]]
Servlet.service() for servlet ServerInvokerServlet threw exception
java.lang.OutOfMemoryError: Java heap space
This repeats over and over every few minutes.
Bala Nair
SeaChange International
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Ian Springer
Principal Software Developer
JBoss Operations Network
Red Hat
ian.springer(a)redhat.com