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From "Michael McCandless (JIRA)" <>
Subject [jira] Commented: (LUCENE-2280) IndexWriter.optimize() throws NullPointerException
Date Thu, 18 Mar 2010 16:36:27 GMT


Michael McCandless commented on LUCENE-2280:

Yes close() does commit() internally.

Are you saying you see the same exception on 3.0, using the IBM JRE?  Can you try with the
Sun JRE?

> IndexWriter.optimize() throws NullPointerException
> --------------------------------------------------
>                 Key: LUCENE-2280
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Index
>    Affects Versions: 2.3.2
>         Environment: Win 2003, lucene version 2.3.2, IBM JRE 1.6
>            Reporter: Ritesh Nigam
>         Attachments: lucene.jar,
> I am using lucene 2.3.2 search APIs for my application, i am indexing 45GB database which
creates approax 200MB index file, after finishing the indexing and while running optimize()
i can see NullPointerExcception thrown in my log and index file is getting corrupted, log
> ------------------------------------------------------------------------
> Caused by: 
> java.lang.NullPointerException
> 	at
> 	at
> 	at org.apache.lucene.index.SegmentMerger.mergeNorms(
> 	at org.apache.lucene.index.SegmentMerger.merge(
> 	at org.apache.lucene.index.IndexWriter.mergeMiddle(
> 	at org.apache.lucene.index.IndexWriter.merge(
> 	at org.apache.lucene.index.ConcurrentMergeScheduler$
> ------------------------------------------------------------------------
> and this is happening quite frequently, although I am not able to reproduce it on demand,
I saw an issue logged which is some what related to mine issue (
but the only difference here is I am not using Store.Compress for my fields, i am using Store.NO
instead. please note that I am using IBM JRE for my application.
> Is this an issue with lucene?, if yes it is fixed in which version?

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