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https://issues.apache.org/jira/browse/HBASE-14474?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14905649#comment-14905649
]
Hadoop QA commented on HBASE-14474:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12762027/hbase-14474_v1.patch
against master branch at commit 5e26ae043dde217aeda29d9b67e290728adade89.
ATTACHMENT ID: 12762027
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:red}-1 tests included{color}. The patch doesn't appear to include
any new or modified tests.
Please justify why no new tests are needed for this
patch.
Also please list what manual steps were performed to
verify this patch.
{color:red}-1 patch{color}. The patch command could not apply the patch.
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/15704//console
This message is automatically generated.
> DeadLock in RpcClientImpl.Connection.close()
> ---------------------------------------------
>
> Key: HBASE-14474
> URL: https://issues.apache.org/jira/browse/HBASE-14474
> Project: HBase
> Issue Type: Bug
> Components: rpc
> Reporter: Enis Soztutar
> Assignee: Enis Soztutar
> Priority: Blocker
> Fix For: 2.0.0, 1.2.0, 1.0.3, 1.1.3
>
> Attachments: hbase-14474_v1.patch
>
>
> From a code base that contains 1.1.2 + HBASE-14449 + HBASE-14241 and
> HBASE-14313 we can reproduce a dead lock with serverKilling CM easily:
> {code}
> Found one Java-level deadlock:
> =============================
> "htable-pool1-t63":
> waiting to lock monitor 0x0000000001cb1688 (object 0x00000000806ef150, a
> org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection),
> which is held by "IPC Client (1403704789) connection to
> enis-hbase-sep-21-6.novalocal/172.22.107.106:16020 from root"
> "IPC Client (1403704789) connection to
> enis-hbase-sep-21-6.novalocal/172.22.107.106:16020 from root":
> waiting to lock monitor 0x0000000001cb1738 (object 0x00000000806f0c60, a
> java.lang.Object),
> which is held by "htable-pool1-t63"
> Java stack information for the threads listed above:
> ===================================================
> "htable-pool1-t63":
> at
> org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection.close(RpcClientImpl.java:819)
> - waiting to lock <0x00000000806ef150> (a
> org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection)
> at
> org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection.writeRequest(RpcClientImpl.java:906)
> - locked <0x00000000806f0c60> (a java.lang.Object)
> at
> org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection.tracedWriteRequest(RpcClientImpl.java:856)
> at
> org.apache.hadoop.hbase.ipc.RpcClientImpl.call(RpcClientImpl.java:1192)
> at
> org.apache.hadoop.hbase.ipc.AbstractRpcClient.callBlockingMethod(AbstractRpcClient.java:213)
> at
> org.apache.hadoop.hbase.ipc.AbstractRpcClient$BlockingRpcChannelImplementation.callBlockingMethod(AbstractRpcClient.java:287)
> at
> org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$BlockingStub.multi(ClientProtos.java:32699)
> at
> org.apache.hadoop.hbase.client.MultiServerCallable.call(MultiServerCallable.java:129)
> at
> org.apache.hadoop.hbase.client.MultiServerCallable.call(MultiServerCallable.java:54)
> at
> org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithoutRetries(RpcRetryingCaller.java:200)
> at
> org.apache.hadoop.hbase.client.AsyncProcess$AsyncRequestFutureImpl$SingleServerRequestRunnable.run(AsyncProcess.java:708)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> "IPC Client (1403704789) connection to
> enis-hbase-sep-21-6.novalocal/172.22.107.106:16020 from root":
> at
> org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection.close(RpcClientImpl.java:832)
> - waiting to lock <0x00000000806f0c60> (a java.lang.Object)
> - locked <0x00000000806ef150> (a
> org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection)
> at
> org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection.run(RpcClientImpl.java:574)
> {code}
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