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https://issues.apache.org/jira/browse/HBASE-12951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14302710#comment-14302710
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zhangduo commented on HBASE-12951:
----------------------------------
Just a follow up [~stack], should we remove the FlakeyTests annotation of
TestHCM? I run it several times locally and it is all passed.
Thanks~
> TestHCM.testConnectionClose is flakey when using AsyncRpcClient as client
> implementation
> ----------------------------------------------------------------------------------------
>
> Key: HBASE-12951
> URL: https://issues.apache.org/jira/browse/HBASE-12951
> Project: HBase
> Issue Type: Bug
> Components: IPC/RPC
> Affects Versions: 2.0.0, 1.1.0
> Reporter: zhangduo
> Assignee: zhangduo
> Fix For: 2.0.0, 1.1.0
>
> Attachments: HBASE-12951.patch
>
>
> Sometimes the background thread is stuck in table.get, here is the jstack
> result.
> "testConnectionCloseThread" prio=10 tid=0x00007fdb296f9800 nid=0x6b5c in
> Object.wait() [0x00007fdad1bf9000]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x00000000f192d6e0> (a
> org.apache.hadoop.hbase.ipc.AsyncCall)
> at java.lang.Object.wait(Object.java:503)
> at
> io.netty.util.concurrent.DefaultPromise.await(DefaultPromise.java:254)
> - locked <0x00000000f192d6e0> (a
> org.apache.hadoop.hbase.ipc.AsyncCall)
> at
> io.netty.util.concurrent.DefaultPromise.await(DefaultPromise.java:32)
> at io.netty.util.concurrent.AbstractFuture.get(AbstractFuture.java:31)
> at
> org.apache.hadoop.hbase.ipc.AsyncRpcClient.call(AsyncRpcClient.java:181)
> 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.get(ClientProtos.java:31727)
> at org.apache.hadoop.hbase.client.HTable$4.call(HTable.java:848)
> at org.apache.hadoop.hbase.client.HTable$4.call(HTable.java:1)
> at
> org.apache.hadoop.hbase.client.RpcRetryingCallerImpl.callWithRetries(RpcRetryingCallerImpl.java:120)
> at org.apache.hadoop.hbase.client.HTable.get(HTable.java:856)
> at org.apache.hadoop.hbase.client.TestHCM$3.run(TestHCM.java:371)
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