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https://issues.apache.org/jira/browse/LUCENE-2280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12848135#action_12848135
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Ritesh Nigam commented on LUCENE-2280:
--------------------------------------
Thanks michael, the fix you provided seems to be working fine for me, after
using close(false) index file is not getting deleted and search is also working
fine though optimization is not happening but still its fine as far as search
is working. I have attached a sample application which replicates the actual
application, please have a look at that and let me know if anything else can be
fine tuned.
> IndexWriter.optimize() throws NullPointerException
> --------------------------------------------------
>
> Key: LUCENE-2280
> URL: https://issues.apache.org/jira/browse/LUCENE-2280
> 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, lucene.zip
>
>
> 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 says
> ------------------------------------------------------------------------
> Caused by:
> java.lang.NullPointerException
> at
> org.apache.lucene.store.BufferedIndexOutput.writeBytes(BufferedIndexOutput.java:49)
> at org.apache.lucene.store.IndexOutput.writeBytes(IndexOutput.java:40)
> at
> org.apache.lucene.index.SegmentMerger.mergeNorms(SegmentMerger.java:566)
> at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:135)
> at
> org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:3273)
> at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:2968)
> at
> org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:240)
> ------------------------------------------------------------------------
> 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
> (http://mail-archives.apache.org/mod_mbox/lucene-solr-user/200809.mbox/%3c6e4a40db-5efc-42da-a857-d59f4ec34...@mikemccandless.com%3e)
> 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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