java,linux,tomcat,liferay-6 , Liferay 6.2 - tomcat bundle shutdown issue


Liferay 6.2 - tomcat bundle shutdown issue

Question:

Tag: java,linux,tomcat,liferay-6

I am running into an issue where I am unable to shutdown the Liferay 6.2 tomcat bundle on the server via the bundled shutdown script on the new linux server.

The steps I took are:

$ ./shutdown.sh Using CATALINA_BASE: /.../liferay-portal-6.2-ee-sp2/tomcat-7.0.42 Using CATALINA_HOME: /.../liferay-portal-6.2-ee-sp2/tomcat-7.0.42 Using CATALINA_TMPDIR: /.../liferay-portal-6.2-ee-sp2/tomcat-7.0.42/temp Using JRE_HOME: /.../java/jdk1.7.0_75 Using CLASSPATH: /.../liferay-portal-6.2-ee-sp2/tomcat-7.0.42/bin/bootstrap.jar:/.../liferay-portal-6.2-ee-sp2/tomcat-7.0.42/bin/tomcat-juli.jar

I see the following in the Tomcat logs.

I see the following in the Tomcat logs.
apr 27, 2015 1:18:23 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [org.python.google.common.base.internal.Finalizer] but has failed to stop it. This is very likely to create a memory leak.
Apr 27, 2015 1:18:23 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [MulticastListener-239.255.0.523305] but has failed to stop it. This is very likely to create a memory leak.
Apr 27, 2015 1:18:23 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [] appears to have started a thread named [pool-3-thread-1] but has failed to stop it. This is very likely to create a memory leak.
Apr 27, 2015 1:18:29 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [/opensocial-portlet] appears to have started a thread named [com.google.inject.internal.Finalizer] but has failed to stop it. This is very likely to create a memory leak.
Apr 27, 2015 1:18:45 PM org.apache.coyote.AbstractProtocol stop
INFO: Stopping ProtocolHandler ["http-bio-8080"]
Apr 27, 2015 1:18:45 PM org.apache.coyote.AbstractProtocol stop
INFO: Stopping ProtocolHandler ["ajp-bio-8009"]
Apr 27, 2015 1:18:45 PM org.apache.coyote.AbstractProtocol destroy
INFO: Destroying ProtocolHandler ["http-bio-8080"]
Apr 27, 2015 1:18:45 PM org.apache.coyote.AbstractProtocol destroy
INFO: Destroying ProtocolHandler ["ajp-bio-8009"]

I need this to work so all the resources are released cleanly and I can script the startup and shutdown as needed.

Has anyone seen this and resolved this behavior? Any insight would be much appreciated.

Thanks!


Answer:

After working through this issue and following the steps below, the tomcat process shuts down within a minute or so with the shutdown script and there is no need to kill the process manually.

Hope this helps someone.


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