DO NOT REPLY [Bug 43867] - NOPLoggerRepository error during shutdown

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------- Additional Comments From carnold@apache.org  2007-11-14 22:03 -------
The error message isn't the bug, it is a symptom of something else.  It is a notification that somehow that 
class invarients are being broken (likely by class reloading) and log4j is going to avoid throwing a NPE by 
substituting a minimal non-functional logger repository.  If this is happening at shutdown, then you have 
an annoying message but at least you didn't crash.  Not much log4j can do if a class loader is starting to 
mess with invariants other than to minimize the damage.  I'd expect that 1.2.14 would raise 
NullPointerException under the same conditions that 1.2.15 would output a warning, but doesn't suprise 
me that things are a little inconsistent.  If the Tomcat community can either fix the classloader or give us 
specific instructions how to avoid their issue, we could have the problem go away, but there isn't much 
log4j can do to avoid the issue. 

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