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https://issues.apache.org/jira/browse/OAK-1948?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14053524#comment-14053524
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Marcel Reutegger commented on OAK-1948:
---------------------------------------
I can't reproduce it either. Please re-open the issue if it occurs again and
provide a dump of the mongo database.
> Lucene index doesn't work on Mongo
> ----------------------------------
>
> Key: OAK-1948
> URL: https://issues.apache.org/jira/browse/OAK-1948
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: mongomk
> Reporter: Alex Parvulescu
> Assignee: Marcel Reutegger
>
> I'm experiencing some errors in the logs running the latest and greatest
> (master, not branch 1.0) related to the lucene index: there are a lot of
> _CorruptIndexException: codec header mismatch_ errors.
> I'm not yet sure why this happens or when it started happening.
> {code}
> 03.07.2014 23:33:13.305 *ERROR* [OsgiInstallerImpl]
> org.apache.jackrabbit.oak.plugins.index.lucene.IndexTracker Could not access
> the Lucene index at /
> org.apache.lucene.index.CorruptIndexException: codec header mismatch: actual
> header=33622070 vs expected header=1071082519 (resource:
> SlicedIndexInput(SlicedIndexInput(_f.fnm in _f.cfs) in _f.cfs
> slice=133234:147711))
> at org.apache.lucene.codecs.CodecUtil.checkHeader(CodecUtil.java:128)
> at
> org.apache.lucene.codecs.lucene46.Lucene46FieldInfosReader.read(Lucene46FieldInfosReader.java:56)
> at
> org.apache.lucene.index.SegmentReader.readFieldInfos(SegmentReader.java:215)
> at org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:95)
> at
> org.apache.lucene.index.StandardDirectoryReader$1.doBody(StandardDirectoryReader.java:62)
> at
> org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:843)
> at
> org.apache.lucene.index.StandardDirectoryReader.open(StandardDirectoryReader.java:52)
> at org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:66)
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.IndexNode.<init>(IndexNode.java:88)
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.IndexNode.open(IndexNode.java:56)
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.IndexTracker.findIndexNode(IndexTracker.java:156)
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.IndexTracker.acquireIndexNode(IndexTracker.java:128)
> at
> org.apache.jackrabbit.oak.plugins.index.lucene.LuceneIndex.getCost(LuceneIndex.java:180)
> at
> org.apache.jackrabbit.oak.plugins.index.aggregate.AggregateIndex.getCost(AggregateIndex.java:69)
> at
> org.apache.jackrabbit.oak.query.QueryImpl.getBestSelectorExecutionPlan(QueryImpl.java:817)
> at
> org.apache.jackrabbit.oak.query.QueryImpl.getBestSelectorExecutionPlan(QueryImpl.java:751)
> at
> org.apache.jackrabbit.oak.query.ast.SelectorImpl.prepare(SelectorImpl.java:278)
> at org.apache.jackrabbit.oak.query.QueryImpl.prepare(QueryImpl.java:531)
> at
> org.apache.jackrabbit.oak.query.QueryEngineImpl.executeQuery(QueryEngineImpl.java:167)
> at
> org.apache.jackrabbit.oak.security.user.UserProvider.getAuthorizableByPrincipal(UserProvider.java:213)
> {code}
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