[jira] [Created] (OAK-9821) PROPERTY_CHANGE event is not coming when property is changed of node and node moved in same session

["Mohit (Jira)" <ji...@apache.org>]

Mohit created OAK-9821:
--------------------------

             Summary: PROPERTY_CHANGE event is not coming when property is changed of node and node moved in same session
                 Key: OAK-9821
                 URL: https://issues.apache.org/jira/browse/OAK-9821
             Project: Jackrabbit Oak
          Issue Type: Bug
          Components: lucene
            Reporter: Mohit


With copy-on-write mode enabled at times its seen that async index thread remain stuck in CopyOnWriteDirectory#close method

{noformat}
"async-index-update-async" prio=5 tid=0xb9e63 nid=0xffffffff timed_waiting
   java.lang.Thread.State: TIMED_WAITING
	at sun.misc.Unsafe.park(Native Method)
	- waiting to lock <0x2504cd51> (a java.util.concurrent.CountDownLatch$Sync) owned by "null" tid=0x-1
	at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1037)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1328)
	at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:277)
	at org.apache.jackrabbit.oak.plugins.index.lucene.directory.CopyOnWriteDirectory.close(CopyOnWriteDirectory.java:221)
	at org.apache.jackrabbit.oak.plugins.index.lucene.writer.DefaultIndexWriter.updateSuggester(DefaultIndexWriter.java:177)
	at org.apache.jackrabbit.oak.plugins.index.lucene.writer.DefaultIndexWriter.close(DefaultIndexWriter.java:121)
	at org.apache.jackrabbit.oak.plugins.index.lucene.LuceneIndexEditorContext.closeWriter(LuceneIndexEditorContext.java:136)
	at org.apache.jackrabbit.oak.plugins.index.lucene.LuceneIndexEditor.leave(LuceneIndexEditor.java:154)
	at org.apache.jackrabbit.oak.plugins.index.IndexUpdate.leave(IndexUpdate.java:357)
	at org.apache.jackrabbit.oak.spi.commit.VisibleEditor.leave(VisibleEditor.java:60)
	at org.apache.jackrabbit.oak.spi.commit.EditorDiff.process(EditorDiff.java:56)
	at org.apache.jackrabbit.oak.plugins.index.AsyncIndexUpdate.updateIndex(AsyncIndexUpdate.java:727)
	at org.apache.jackrabbit.oak.plugins.index.AsyncIndexUpdate.runWhenPermitted(AsyncIndexUpdate.java:572)
	at org.apache.jackrabbit.oak.plugins.index.AsyncIndexUpdate.run(AsyncIndexUpdate.java:431)
	- locked <0x3d542de5> (a org.apache.jackrabbit.oak.plugins.index.AsyncIndexUpdate)
	at org.apache.sling.commons.scheduler.impl.QuartzJobExecutor.execute(QuartzJobExecutor.java:245)
	at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
{noformat}

The thread is waiting on a latch and no other thread is going to release the latch.



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