[Bug 54921] Redeploy problem with Preferences= Illegal access: this web application instance has been stopped already. Could not load com.sun.org.apache.xalan.internal.xsltc.dom.XSLTCDTMManager.

[bu...@apache.org]

https://issues.apache.org/bugzilla/show_bug.cgi?id=54921

Mark Thomas <ma...@apache.org> changed:

           What    |Removed                     |Added
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             Status|NEW                         |NEEDINFO

--- Comment #1 from Mark Thomas <ma...@apache.org> ---
It isn't clear which preferences API you are using. The code appears to be
using "java.util.prefs" which is from Java 1.4 yet you state you are using a
"new" preferences API. Something doesn't add up here.

What you seeing is a form of memory leak [1]. It isn't possible to tell if this
is an application issue, a JRE issue or a Tomcat issue. If it is a Tomcat issue
we should be able to fix it. If it is a JRE issue we might be able to work
around it. If it is an application issue there is nothing we can do.

To progress this we need the simplest possible test case that reproduces this.
>From your description you should be able to do this with a single JSP or
Servlet. If you provide a Servlet, please just provide the source code for the
Servlet (it should not have any 3rd party dependencies).

Finally, this issue may be platform dependent so please can you provide
information on exactly what platform (OS, JVM) you are seeing this issue on.

[1]
http://people.apache.org/~markt/presentations/2010-11-04-Memory-Leaks-60mins.pdf

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