Simon Willnauer created LUCENE-5362:
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Summary: IndexReader and friends should check ref count when
incrementing
Key: LUCENE-5362
URL: https://issues.apache.org/jira/browse/LUCENE-5362
Project: Lucene - Core
Issue Type: Improvement
Affects Versions: 4.6
Reporter: Simon Willnauer
Fix For: 5.0, 4.7
IndexReader and SegmentCoreReaders blindly increments it's refcount which could
already be counted down to 0 which might allow an IndexReader to "rise from
the dead" and use an already closed SCR instance. Even if that is caught we
should try best effort to raise ACE asap.
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