[jira] Resolved: (LUCENE-552) NPE during mergeSegments

["Michael McCandless (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-552?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael McCandless resolved LUCENE-552.
---------------------------------------

    Resolution: Incomplete

Need a test case that shows this, or more details.

> NPE during mergeSegments
> ------------------------
>
>                 Key: LUCENE-552
>                 URL: https://issues.apache.org/jira/browse/LUCENE-552
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Index
>    Affects Versions: 2.0.0
>         Environment: 2.0-rc1-dev
>            Reporter: Ole Kværnø
>            Priority: Minor
>
> The JVM stops with a NPE after running for about 6-8 hours, indexing about 500.000 articles.
> After a restart of the JVM, the problematic merge seems to complete OK.
> Exception in thread "Thread-4" java.lang.NullPointerException
> at org.apache.lucene.store.RAMInputStream.<init>(RAMInputStream.java:32)
> at org.apache.lucene.store.RAMDirectory.openInput(RAMDirectory.java:171)
> at org.apache.lucene.index.SegmentReader.initialize(SegmentReader.java:155)
> at org.apache.lucene.index.SegmentReader.get(SegmentReader.java:129)
> at org.apache.lucene.index.SegmentReader.get(SegmentReader.java:110)
> at org.apache.lucene.index.IndexWriter.mergeSegments(IndexWriter.java:700)
> at org.apache.lucene.index.IndexWriter.mergeSegments(IndexWriter.java:684)
> at org.apache.lucene.index.IndexWriter.flushRamSegments(IndexWriter.java:654)
> at org.apache.lucene.index.IndexWriter.close(IndexWriter.java:402)
> at com.magentanews.index.IndexManager.insertDocuments(IndexManager.java:190)
> at com.magentanews.index.SplitIndexManager.insertDocuments(SplitIndexManager.java:152)
> at com.magentanews.index.LuceneFeeder.insertDocuments(LuceneFeeder.java:234)
> at com.magentanews.index.IndexerApplication.insertDocuments(IndexerApplication.java:255)
> at com.magentanews.index.IndexerApplication.run(IndexerApplication.java:160)

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