Monitoring Jboss AS

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We want to shoot a memory problem on Jboss AS. We want to understand what's going on now; before we start trying different solutions.

We are running Jboss 6.4.0 using Java 8 on Windows.

Please assume our software budget is zero. My company has no interest in spending money on anything. Ever.

Regards,
Kevin Kinney

ke
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Responses

John Liptak's picture Active Contributor 170 points
22 October 2015 3:43 PM
  1. Enable heap dump on out of memory
  2. Use the Eclipse MAT (memory analysis tool) on resulting hprof file

Also, if you are using the Oracle JDK, add
-Xbootclasspath/a://EAP-6.4.0/bin/client/jboss-client.jar
so you can use Java Mission Control Flight Recorder.

John

John Liptak's picture Active Contributor 170 points
22 October 2015 3:44 PM

(hit submit too soon)
-Xbootclasspath/a://EAP-6.4.0/bin/client/jboss-client.jar is added to %JAVA_HOME%\bin\jmc.ini and then you can use the remote JMX connection into your EAP server.

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