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------- Additional Comments From [EMAIL PROTECTED]  2007-04-19 06:53 -------
Created an attachment (id=20001)
 --> (http://issues.apache.org/bugzilla/attachment.cgi?id=20001&action=view)
Simple War File That Demonstrates NPE Behavior on Reload

I deployed this WAR on the 5.5.20 and 5.5.23 binary distributions.

This WAR contains a simple servlet that contains a static reference to a Log
instance. The vanilla binary of log4j 1.2.14 is on the classpath, so
commons-logging is using the log4j log provider.

The servlet runs as expected (it just prints a message to the client and prints
the same message in the log). However, when I click on the reload link for the
application in the manager web application, the context fails to reload with a
NullPointerException.

The NullPointerException traces back to log4j classes. Specifically, I
discovered that there are several instances where static members of the log4j
classes in question are improperly set to null by something outside of log4j
and not re-initialized.

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