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From Pieter Temmerman <>
Subject Re: Weblogic library and Tomcat
Date Thu, 12 Feb 2009 11:22:11 GMT
Hi guys,

I've been trying YourKit profiler, as Mark suggested.
However, I am a little bit stuck.

> Tomcat will clear the references it has created but you are responsible for
> clearing the references you create. Once all the references are cleared gc will
> remove it.

> >> You need to find which objects are holding on to a reference to the the weblogic
> >> class and make sure it gets cleared when the app restarts. A context listener
> >> might be useful here.

In my case (according to the catalina.out errors), the problem is most
certainly caused by references to/from the weblogic classes.

Taking this into account, I'm currently looking at a list (read: long
list) of weblogic classes with YourKit, but to be honest, I have no clue
of what I'm looking for.

My idea was to do a search for classes/objects that have references to
weblogic. But instead it only returns me a list of classes/objects with
"weblogic" in their name, and I don't know how to start from there in
order to find the objects of the webapp that are referencing to those

Please take into account that I'm not a programmer, I'm just trying to
figure out why I have to restart Tomcat in order to reload the webapp.
The thing is that I would like to learn how to track down these kind of
problems, that's why I'm asking kindly for your help.

Please let me know if you need any additional information, memory
snapshots, or whatsoever.

Thanks in advance.

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