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Posted to dev@tomcat.apache.org by bu...@apache.org on 2013/01/01 00:41:17 UTC

[Bug 54315] Redeploying webapp causes NullPointerException in managerBase

https://issues.apache.org/bugzilla/show_bug.cgi?id=54315

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

           What    |Removed                     |Added
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             Status|NEW                         |NEEDINFO

--- Comment #1 from Mark Thomas <ma...@apache.org> ---
Hmm. An NPE there means that a session manager is being used that either has
not been started or has been stopped. Given it is hard to reproduce we will
probably have to resort to code analysis to determine what is goin on. I have a
few ideas but before I start looking harder it would be useful to have a few
more details.

1. Have you ever seen this issue after a normal start or is it only on a
restart?

2. When the NPE appears, does it happen on every request from then on or does
it happen to just a few requests during the restart?

3. If the answer to 2) is every request does a context restart fix it?

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