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From "Chris Schmidt (JIRA)" <j...@apache.org>
Subject [jira] Created: (JCR-2071) IndexMerger throws null pointer exception without stacktrace
Date Wed, 15 Apr 2009 16:38:15 GMT
IndexMerger throws null pointer exception without stacktrace
------------------------------------------------------------

                 Key: JCR-2071
                 URL: https://issues.apache.org/jira/browse/JCR-2071
             Project: Jackrabbit Content Repository
          Issue Type: Bug
    Affects Versions: 1.5.0
         Environment: Windows OS (XP, Vista)
Linux RHEL
 
            Reporter: Chris Schmidt


I get the following errors in my log file randomly.  It seems to happen most often when creating
the lucene indices, but has happened at other times as well:

[IndexMerger] ERROR - Error while merging indexes: java.lang.NullPointerException

The code at org.apache.jackrabbit.core.query.lucene.IndexMerger line 344 appears to be the
point where the error is logged, but no other information is provided because the throwable
isn't sent to the log (only the toString() version of the exception).  I haven't been able
to tell if any indexes are corrupt when this happens.

I suggest that the logger be changed to determine where the null pointer is coming from first,
then resolve the actual issue that is occurring.


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