Constants causing NullPointerException when fetching metadata "Implementation
Version" in MANIFEST
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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
Fix For: 2.9
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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