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Posted to dev@hbase.apache.org by "zhangduo (JIRA)" <ji...@apache.org> on 2015/02/02 04:14:34 UTC

[jira] [Created] (HBASE-12951) TestHCM.testConnectionClose is flakey when using AsyncRpcClient as client implementation

zhangduo created HBASE-12951:
--------------------------------

             Summary: 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


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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