[ https://issues.apache.org/jira/browse/OAK-6619?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chetan Mehrotra updated OAK-6619: --------------------------------- Fix Version/s: 1.10 > Async indexer thread may get stuck in CopyOnWriteDirectory close method > ----------------------------------------------------------------------- > > Key: OAK-6619 > URL: https://issues.apache.org/jira/browse/OAK-6619 > Project: Jackrabbit Oak > Issue Type: Bug > Components: lucene > Reporter: Chetan Mehrotra > Assignee: Chetan Mehrotra > Priority: Critical > Fix For: 1.10 > > Attachments: status-threaddump-Sep-5.txt > > > 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. -- This message was sent by Atlassian JIRA (v6.4.14#64029)