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From Erick Erickson <>
Subject Re: Strange NPE with SOLR-236 (Field collapsing)
Date Wed, 12 May 2010 14:03:09 GMT

If you could make a patch out of your changes that would be great. The dev
list would be
a good place to get it some attention. There's no need to open a JIRA before
to the dev list, but one should be created if there's agreement that this is
that should be fixed.


On Wed, May 12, 2010 at 2:22 AM, Gary <> wrote:

> Hi Eric
> I catch the NPE in the NonAdjacentDocumentCollapser class and now  it does
> return the data field collapsed.
> However I can not promise how accurate or correct this fix is becuase I
> have not
> got allot of time to study all the code.
> It would be best if some of the experts could give us a clue
> I made the change in
> solr src java org apache solr search fieldcollapse
>, inner class FloatValueFieldComparator.

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