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From "Elliott Clark (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14812) Fix ResultBoundedCompletionService deadlock
Date Tue, 17 Nov 2015 22:41:11 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15009746#comment-15009746
] 

Elliott Clark commented on HBASE-14812:
---------------------------------------

Sounds good. I'll push it then.

Thanks.

> Fix ResultBoundedCompletionService deadlock
> -------------------------------------------
>
>                 Key: HBASE-14812
>                 URL: https://issues.apache.org/jira/browse/HBASE-14812
>             Project: HBase
>          Issue Type: Bug
>          Components: Client, Thrift
>    Affects Versions: 1.2.0
>            Reporter: Elliott Clark
>            Assignee: Elliott Clark
>             Fix For: 2.0.0, 1.2.0, 1.3.0
>
>         Attachments: HBASE-14812-v1.patch, HBASE-14812-v2.patch, HBASE-14812.patch
>
>
> {code}
> "thrift2-worker-0" #31 daemon prio=5 os_prio=0 tid=0x00007f5ad9c45000 nid=0x484 in Object.wait()
[0x00007f5aa3832000]
>    java.lang.Thread.State: WAITING (on object monitor)
>         at java.lang.Object.wait(Native Method)
>         at java.lang.Object.wait(Object.java:502)
>         at org.apache.hadoop.hbase.client.ResultBoundedCompletionService.take(ResultBoundedCompletionService.java:148)
>         - locked <0x00000006b6ae7670> (a [Lorg.apache.hadoop.hbase.client.ResultBoundedCompletionService$QueueingFuture;)
>         at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas.call(ScannerCallableWithReplicas.java:188)
>         at org.apache.hadoop.hbase.client.ScannerCallableWithReplicas.call(ScannerCallableWithReplicas.java:59)
>         at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithoutRetries(RpcRetryingCaller.java:200)
>         at org.apache.hadoop.hbase.client.ClientSmallReversedScanner.loadCache(ClientSmallReversedScanner.java:212)
>         at org.apache.hadoop.hbase.client.ClientSmallReversedScanner.next(ClientSmallReversedScanner.java:186)
>         at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegionInMeta(ConnectionManager.java:1276)
>         at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.locateRegion(ConnectionManager.java:1182)
>         at org.apache.hadoop.hbase.client.AsyncProcess.submit(AsyncProcess.java:370)
>         at org.apache.hadoop.hbase.client.AsyncProcess.submit(AsyncProcess.java:321)
>         at org.apache.hadoop.hbase.client.BufferedMutatorImpl.backgroundFlushCommits(BufferedMutatorImpl.java:194)
>         at org.apache.hadoop.hbase.client.BufferedMutatorImpl.flush(BufferedMutatorImpl.java:171)
>         - locked <0x00000006b6ae79c0> (a org.apache.hadoop.hbase.client.BufferedMutatorImpl)
>         at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:1430)
>         at org.apache.hadoop.hbase.client.HTable.put(HTable.java:1033)
>         at org.apache.hadoop.hbase.thrift2.ThriftHBaseServiceHandler.putMultiple(ThriftHBaseServiceHandler.java:268)
>         at sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:497)
>         at org.apache.hadoop.hbase.thrift2.ThriftHBaseServiceHandler$THBaseServiceMetricsProxy.invoke(ThriftHBaseServiceHandler.java:114)
>         at com.sun.proxy.$Proxy10.putMultiple(Unknown Source)
>         at org.apache.hadoop.hbase.thrift2.generated.THBaseService$Processor$putMultiple.getResult(THBaseService.java:1637)
>         at org.apache.hadoop.hbase.thrift2.generated.THBaseService$Processor$putMultiple.getResult(THBaseService.java:1621)
>         at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
>         at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
>         at org.apache.thrift.server.AbstractNonblockingServer$FrameBuffer.invoke(AbstractNonblockingServer.java:478)
>         at org.apache.thrift.server.Invocation.run(Invocation.java:18)
>         at org.apache.hadoop.hbase.thrift.CallQueue$Call.run(CallQueue.java:64)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>         at java.lang.Thread.run(Thread.java:745)
> {code}



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