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Posted to oak-issues@jackrabbit.apache.org by "Michael Dürig (JIRA)" <ji...@apache.org> on 2016/03/22 12:57:25 UTC
[jira] [Updated] (OAK-4141) SegmentNotFoundException with Lucene
[ https://issues.apache.org/jira/browse/OAK-4141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Dürig updated OAK-4141:
-------------------------------
Priority: Critical (was: Major)
> SegmentNotFoundException with Lucene
> ------------------------------------
>
> Key: OAK-4141
> URL: https://issues.apache.org/jira/browse/OAK-4141
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: lucene
> Reporter: Michael Dürig
> Priority: Critical
> Labels: gc, resilience
>
> {{org.apache.jackrabbit.oak.plugins.index.lucene.OakDirectory}} keeps reference to node state for a long time, which is prone to {{SegmentNotFoundException}} when running revision cleanup with the {{CLEAN_OLD}} strategy.
> The following log file excerpt shows such a case where the reference in question was over 8 days old!
> {code}
> 04.03.2016 13:21:10.317 *ERROR* [qtp1507293688-116717] org.apache.jackrabbit.oak.plugins.segment.SegmentTracker Segment not found: a6f5ffe9-8d05-4e57-a953-492cb2105ca8. Creation date delta is 702992619 ms.
> org.apache.jackrabbit.oak.plugins.segment.SegmentNotFoundException: Segment a6f5ffe9-8d05-4e57-a953-492cb2105ca8 not found
> at org.apache.jackrabbit.oak.plugins.segment.file.FileStore.readSegment(FileStore.java:1016)
> at org.apache.jackrabbit.oak.plugins.segment.SegmentTracker.readSegment(SegmentTracker.java:209)
> at org.apache.jackrabbit.oak.plugins.segment.SegmentId.getSegment(SegmentId.java:149)
> at org.apache.jackrabbit.oak.plugins.segment.Record.getSegment(Record.java:82)
> at org.apache.jackrabbit.oak.plugins.segment.SegmentNodeState.getChildNodeMap(SegmentNodeState.java:85)
> at org.apache.jackrabbit.oak.plugins.segment.SegmentNodeState.getChildNode(SegmentNodeState.java:383)
> at org.apache.jackrabbit.oak.spi.state.ReadOnlyBuilder.getChildNode(ReadOnlyBuilder.java:196)
> at org.apache.jackrabbit.oak.plugins.index.lucene.OakDirectory.fileLength(OakDirectory.java:101)
> at org.apache.lucene.store.FilterDirectory.fileLength(FilterDirectory.java:63)
> at org.apache.jackrabbit.oak.plugins.index.lucene.LuceneIndexMBeanImpl.dirSize(LuceneIndexMBeanImpl.java:202)
> at org.apache.jackrabbit.oak.plugins.index.lucene.LuceneIndexMBeanImpl.access$100(LuceneIndexMBeanImpl.java:48)
> at org.apache.jackrabbit.oak.plugins.index.lucene.LuceneIndexMBeanImpl$IndexStats.<init>(LuceneIndexMBeanImpl.java:165)
> at org.apache.jackrabbit.oak.plugins.index.lucene.LuceneIndexMBeanImpl.getIndexStats(LuceneIndexMBeanImpl.java:70)
> {code}
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