IndexReaderClosed exception 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)