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https://issues.apache.org/jira/browse/OAK-3493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Davide Giannella closed OAK-3493.
---------------------------------
Bulk close for 1.3.8
> Deadlock when closing a concurrently used FileStore 2.0
> -------------------------------------------------------
>
> Key: OAK-3493
> URL: https://issues.apache.org/jira/browse/OAK-3493
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: segmentmk
> Reporter: Michael Dürig
> Assignee: Michael Dürig
> Labels: resilience
> Fix For: 1.3.8
>
> Attachments: OAK-3493.patch
>
>
> A deadlock was detected while stopping the {{SegmentCompactionIT}} using the
> exposed MBean.
> {noformat}
> "main@1" prio=5 tid=0x1 nid=NA waiting for monitor entry
> waiting for pool-1-thread-10@2111 to release lock on <0xae8> (a
> org.apache.jackrabbit.oak.plugins.segment.SegmentWriter)
> at
> org.apache.jackrabbit.oak.plugins.segment.SegmentWriter.dropCache(SegmentWriter.java:871)
> at
> org.apache.jackrabbit.oak.plugins.segment.file.FileStore.close(FileStore.java:1031)
> - locked <0xae7> (a
> org.apache.jackrabbit.oak.plugins.segment.file.FileStore)
> at
> org.apache.jackrabbit.oak.plugins.segment.SegmentCompactionIT.tearDown(SegmentCompactionIT.java:282)
> "pool-1-thread-10@2111" prio=5 tid=0x1d nid=NA waiting for monitor entry
> java.lang.Thread.State: BLOCKED
> blocks main@1
> waiting for main@1 to release lock on <0xae7> (a
> org.apache.jackrabbit.oak.plugins.segment.file.FileStore)
> at
> org.apache.jackrabbit.oak.plugins.segment.file.FileStore.writeSegment(FileStore.java:1155)
> at
> org.apache.jackrabbit.oak.plugins.segment.SegmentWriter.flush(SegmentWriter.java:253)
> at
> org.apache.jackrabbit.oak.plugins.segment.SegmentWriter.prepare(SegmentWriter.java:350)
> at
> org.apache.jackrabbit.oak.plugins.segment.SegmentWriter.writeListBucket(SegmentWriter.java:468)
> - locked <0xae8> (a org.apache.jackrabbit.oak.plugins.segment.SegmentWriter)
> at
> org.apache.jackrabbit.oak.plugins.segment.SegmentWriter.writeList(SegmentWriter.java:719)
> at
> org.apache.jackrabbit.oak.plugins.segment.SegmentWriter.writeNode(SegmentWriter.java:1211)
> at
> org.apache.jackrabbit.oak.plugins.segment.SegmentWriter$2.childNodeChanged(SegmentWriter.java:1156)
> at
> org.apache.jackrabbit.oak.plugins.memory.ModifiedNodeState.compareAgainstBaseState(ModifiedNodeState.java:399)
> at
> org.apache.jackrabbit.oak.plugins.segment.SegmentWriter.writeNode(SegmentWriter.java:1147)
> at
> org.apache.jackrabbit.oak.plugins.segment.SegmentWriter.writeNode(SegmentWriter.java:1175)
> at
> org.apache.jackrabbit.oak.plugins.segment.SegmentNodeBuilder.getNodeState(SegmentNodeBuilder.java:100)
> at
> org.apache.jackrabbit.oak.plugins.segment.SegmentNodeStore$Commit.prepare(SegmentNodeStore.java:451)
> at
> org.apache.jackrabbit.oak.plugins.segment.SegmentNodeStore$Commit.optimisticMerge(SegmentNodeStore.java:474)
> at
> org.apache.jackrabbit.oak.plugins.segment.SegmentNodeStore$Commit.execute(SegmentNodeStore.java:530)
> at
> org.apache.jackrabbit.oak.plugins.segment.SegmentNodeStore.merge(SegmentNodeStore.java:208)
> {noformat}
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