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https://issues.apache.org/jira/browse/LUCENE-1666?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Michael McCandless reassigned LUCENE-1666:
------------------------------------------
Assignee: Michael McCandless
> Constants causing NullPointerException when fetching metadata "Implementation
> Version" in MANIFEST
> --------------------------------------------------------------------------------------------------
>
> Key: LUCENE-1666
> URL: https://issues.apache.org/jira/browse/LUCENE-1666
> Project: Lucene - Java
> Issue Type: Bug
> Components: Other
> Environment: os=Linux, os.version=2.6.28-11-generic, source=flush,
> lucene.version=2.9-dev, os.arch=i386, java.version=1.6.0_13, java.vendor=Sun
> Microsystems Inc.
> Reporter: Renaud Delbru
> Assignee: Michael McCandless
> Fix For: 2.9
>
> Attachments: LUCENE-1666.patch
>
>
> If the MANIFEST.MF file does not contain the metadata IMPLEMENTATION_VERSION,
> a null value is returned, causing NullPointerException during commit:
> Exception in thread "main" java.lang.NullPointerException
> at org.apache.lucene.store.IndexOutput.writeString(IndexOutput.java:109)
> at
> org.apache.lucene.store.IndexOutput.writeStringStringMap(IndexOutput.java:229)
> at org.apache.lucene.index.SegmentInfo.write(SegmentInfo.java:558)
> at org.apache.lucene.index.SegmentInfos.write(SegmentInfos.java:337)
> at
> org.apache.lucene.index.SegmentInfos.prepareCommit(SegmentInfos.java:808)
> at
> org.apache.lucene.index.IndexWriter.startCommit(IndexWriter.java:5319)
> at
> org.apache.lucene.index.IndexWriter.prepareCommit(IndexWriter.java:3895)
> at org.apache.lucene.index.IndexWriter.commit(IndexWriter.java:3956)
> This happened after having build a jar assembly using Maven, the original
> MANIFEST.MF of lucene jar has been overwritten, and didn't contain anynore
> the implementation version metadata.
> Path attached.
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