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From "zhangduo (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HBASE-12951) TestHCM.testConnectionClose is flakey when using AsyncRpcClient as client implementation
Date Mon, 02 Feb 2015 03:55:34 GMT

     [ https://issues.apache.org/jira/browse/HBASE-12951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

zhangduo reassigned HBASE-12951:
--------------------------------

    Assignee: zhangduo

> 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
>            Reporter: zhangduo
>            Assignee: zhangduo
>         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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