[OAK-6572] IndexReaderClosed exception seen after some run

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 1.7.6, 1.6.4
• Fix Version/s: 1.7.7, 1.6.5, 1.8.0
• Component/s: lucene
• Assignee: Chetan Mehrotra
• Reporter: Chetan Mehrotra
• Created: 22/Aug/17 12:32
• Updated: 08/Sep/17 13:02
• Resolved: 23/Aug/17 06:37

Description

After recent fix done by OAK-6500 following exception warning is being seen after some run

21.08.2017 12:32:51.955 *WARN* [10.170.24.142 [1503318769501] GET /mnt/overlay/granite/ui/content/shell/omnisearch/searchresults.html HTTP/1.1] org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex query via org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex@664fd784 failed.
org.apache.lucene.store.AlreadyClosedException: this IndexReader is closed
	at org.apache.lucene.index.IndexReader.ensureOpen(IndexReader.java:262)
	at org.apache.lucene.index.CompositeReader.getContext(CompositeReader.java:102)
	at org.apache.lucene.index.CompositeReader.getContext(CompositeReader.java:56)
	at org.apache.lucene.search.TermCollectingRewrite.collectTerms(TermCollectingRewrite.java:49)
	at org.apache.lucene.search.ConstantScoreAutoRewrite.rewrite(ConstantScoreAutoRewrite.java:95)
	at org.apache.lucene.search.MultiTermQuery$ConstantScoreAutoRewrite.rewrite(MultiTermQuery.java:220)
	at org.apache.lucene.search.MultiTermQuery.rewrite(MultiTermQuery.java:288)
	at org.apache.lucene.search.BooleanQuery.rewrite(BooleanQuery.java:418)
	at org.apache.lucene.search.BooleanQuery.rewrite(BooleanQuery.java:418)
	at org.apache.lucene.search.BooleanQuery.rewrite(BooleanQuery.java:418)
	at org.apache.lucene.search.IndexSearcher.rewrite(IndexSearcher.java:636)
	at org.apache.lucene.search.IndexSearcher.createNormalizedWeight(IndexSearcher.java:683)
	at org.apache.lucene.search.IndexSearcher.searchAfter(IndexSearcher.java:243)
	at org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex$1.loadDocs(LucenePropertyIndex.java:389)
	at org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex$1.computeNext(LucenePropertyIndex.java:315)
	at org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex$1.computeNext(LucenePropertyIndex.java:304)
	at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
	at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
	at org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex$LucenePathCursor$1.hasNext(LucenePropertyIndex.java:1569)
	at com.google.common.collect.Iterators$7.computeNext(Iterators.java:645)
	at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
	at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
	at org.apache.jackrabbit.oak.plugins.index.Cursors$PathCursor.hasNext(Cursors.java:208)
	at org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex$LucenePathCursor.hasNext(LucenePropertyIndex.java:1593)

This looks like a regression due to changes done in OAK-6500

Issue Links

• is broken by: OAK-6500 NRTIndex leaks file handles due to unclosed IndexReader
• is related to: OAK-6635 IndexReader closed exception in DocumentQueue