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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal">I have a Java servlet running on Tomcat7 which runs multiple drools knowledge bases with a session associated to each one.<o:p></o:p></p>
<p class="MsoNormal">I am using drools version 6.1.0.Beta3<o:p></o:p></p>
<p class="MsoNormal">When tomcat shuts-down I am seeing this message in the log:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black;background:white">Jun 10, 2014 6:39:36 PM org.apache.catalina.loader.WebappClassLoader checkThreadLocalMapForLeaks</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br>
<span style="background:white">SEVERE: The web application [/MyRulesServlet-1.0-SNAPSHOT] created a ThreadLocal with key of type [org.drools.core.common.UpgradableReentrantReadWriteLock$1] (value [org.drools.core.common.UpgradableReentrantReadWriteLock$</span></span><a href="mailto:1@5c0bf171"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#326CA6;background:white;text-decoration:none">1@5c0bf171</span></a><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black;background:white">])
and a value of type [org.drools.core.common.UpgradableReentrantReadWriteLock.LockRequestCounter] (value [org.drools.core.common.UpgradableReentrantReadWriteLock$</span><a href="mailto:LockRequestCounter@141860ed"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#326CA6;background:white;text-decoration:none">LockRequestCounter@141860ed</span></a><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black;background:white">])
but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black;background:white"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black;background:white">It seems I am not performing a proper cleanup of resources on shutdown.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black;background:white"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black;background:white">I
<u>am</u> calling kSession.dispose() for all the sessions I have, but apparently this is not enough.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black;background:white">What else do I need to do to get rid of this background thread?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black;background:white"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black;background:white">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black;background:white">Aliza</span><o:p></o:p></p>
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