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Date: Sun, 27 Feb 2011 11:12:58 +0000 (UTC)
From: "Michael McCandless (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
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 <878409492.870.1298803258568.JavaMail.tomcat@hel.zones.apache.org>
Subject: [jira] Resolved: (LUCENE-2940) NPE in TestNRTThreads
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     [ https://issues.apache.org/jira/browse/LUCENE-2940?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael McCandless resolved LUCENE-2940.
----------------------------------------

    Resolution: Fixed

> NPE in TestNRTThreads
> ---------------------
>
>                 Key: LUCENE-2940
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2940
>             Project: Lucene - Java
>          Issue Type: Bug
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>             Fix For: 3.1, 4.0
>
>         Attachments: LUCENE-2940.patch, LUCENE-2940.patch
>
>
> I hit this when while(1)ing this test... I think it's because the logic on when we ask the SegmentReader to load stored fields is off...
> {noformat}
> *** Thread: Lucene Merge Thread #1 ***
> org.apache.lucene.index.MergePolicy$MergeException:
> java.lang.NullPointerException
>        at org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:507)
>        at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:472)
> Caused by: java.lang.NullPointerException
>        at org.apache.lucene.index.SegmentReader$FieldsReaderLocal.initialValue(SegmentReader.java:245)
>        at org.apache.lucene.index.SegmentReader$FieldsReaderLocal.initialValue(SegmentReader.java:242)
>        at org.apache.lucene.util.CloseableThreadLocal.get(CloseableThreadLocal.java:68)
>        at org.apache.lucene.index.SegmentReader.getFieldsReader(SegmentReader.java:749)
>        at org.apache.lucene.index.SegmentReader.document(SegmentReader.java:838)
>        at org.apache.lucene.index.IndexReader.document(IndexReader.java:951)
>        at org.apache.lucene.index.TestNRTThreads$1.warm(TestNRTThreads.java:86)
>        at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:3311)
>        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:2875)
>        at org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:379)
>        at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:447)
> {noformat}

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