I am facing the following stacktrace:
java.lang.NullPointerException: null
at java.io.File.<init>(File.java:305) ~[na:1.6.0_26]
at
org.apache.lucene.store.NIOFSDirectory.openInput(NIOFSDirectory.java:80)
~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50]
at
org.apache.lucene.codecs.lucene40.BitVector.<init>(BitVector.java:327)
~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50]
at
org.apache.lucene.codecs.lucene40.Lucene40LiveDocsFormat.readLiveDocs(Lucene40LiveDocsFormat.java:90)
~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50]
at
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:131)
~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50]
at
org.apache.lucene.index.StandardDirectoryReader.open(StandardDirectoryReader.java:194)
~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50]
at
org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:326)
~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50]
at
org.apache.lucene.index.StandardDirectoryReader$2.doBody(StandardDirectoryReader.java:320)
~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50]
at
org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:843)
~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50]
at
org.apache.lucene.index.StandardDirectoryReader.doOpenFromCommit(StandardDirectoryReader.java:315)
~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50]
at
org.apache.lucene.index.StandardDirectoryReader.doOpenNoWriter(StandardDirectoryReader.java:311)
~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50]
at
org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:262)
~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50]
at
org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:250)
~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50]
at
org.apache.lucene.index.DirectoryReader.openIfChanged(DirectoryReader.java:170)
~[lucene-core.jar:4.6.0 1543363 - simon - 2013-11-19 11:05:50]
Unfortunately not always. Looks like j.i.File<init> is getting param child ==
null
What might go wrong in openIfChanged?
Thanks for any advices/hints
Clemens
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