Chetan Mehrotra created OAK-3053:
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             Summary: Locking issues seen with CopyOnWrite mode enabled
                 Key: OAK-3053
                 URL: https://issues.apache.org/jira/browse/OAK-3053
             Project: Jackrabbit Oak
          Issue Type: Bug
          Components: lucene
            Reporter: Chetan Mehrotra
            Assignee: Chetan Mehrotra
             Fix For: 1.2.3, 1.3.2, 1.0.17


When CopyOnWrite mode is enabled and incremental mode is enabled i.e. 
{{indexPath}} property set then failure in any indexing cycle would prevent 
further indexing from progressing. For e.g. if any indexing cycle fails then 
subsequent indexing cycle would fail with Lucene locking related exception

{noformat}
Caused by: org.apache.lucene.store.LockObtainFailedException: Lock obtain timed 
out: 
NativeFSLock@/tmp/junit8067118705344013640/2c26b46b68ffc68ff99b453c1d30413413422d706483bfa0f98a5e886266e7ae/1/write.lock
        at org.apache.lucene.store.Lock.obtain(Lock.java:89)
        at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:707)
        at 
org.apache.jackrabbit.oak.plugins.index.lucene.LuceneIndexEditorContext.getWriter(LuceneIndexEditorContext.java:169)
        at 
org.apache.jackrabbit.oak.plugins.index.lucene.LuceneIndexEditor.addOrUpdate(LuceneIndexEditor.java:293)
        ... 37 more
{noformat}

Any further indexing would continue to fail with this exception



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