[esb-issues] [JBoss JIRA] Created: (JBESB-1796) Memory Leak in Content Based Router

[Maurice Zeijen (JIRA)]

Memory Leak in Content Based Router
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                 Key: JBESB-1796
                 URL: http://jira.jboss.com/jira/browse/JBESB-1796
             Project: JBoss ESB
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: Content Based Routing
    Affects Versions: 4.2.1 CP3, 4.3
         Environment: Java 1.5 or 6.0
JBoss 4.2.2 GA
JBoss ESB 4.2.1 or 4.3
Memory settings: -Xms256m -Xmx256m -XX:MaxPermSize=128m
            Reporter: Maurice Zeijen
         Attachments: memory_leak_cbr.zip

 may have found a memory leak in the Content Based Router in both JBoss ESB 4.2.1 and 4.3.

I noticed the problem at my Job with a production JBoss ESB 4.2.1 CP2 because it regularly crashed because the memory run out. After doing some memory analysis I found that the problem was with the content based router.

To reliably reproduce the problem I created a sample project using the simple_cbr sample. I attached the sample project to this issueu. I also included an export from a memory analysis of a memory dump. In that dump you can clearly see that the org.drools.base.FireAllRulesRuleBaseUpdateListener objects are piling up. Because the problem is within Drools I am not sure if the problem is really in the ESB.

Simply unpack the project within the sample/quickstarts directoy to make it work.

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