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From "Konstantin Shvachko (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-7332) Deadlock in IPC
Date Mon, 12 Dec 2011 05:52:32 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-7332?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Konstantin Shvachko updated HADOOP-7332:
----------------------------------------

    Fix Version/s:     (was: 0.22.0)
                   0.22.1
    
> Deadlock in IPC
> ---------------
>
>                 Key: HADOOP-7332
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7332
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: ipc
>    Affects Versions: 0.22.0
>            Reporter: Todd Lipcon
>             Fix For: 0.22.1
>
>
> Saw this during a run of TestIPC on 0.22 branch:
>     [junit] Java stack information for the threads listed above:
>     [junit] ===================================================
>     [junit] "IPC Client (47) connection to /0:0:0:0:0:0:0:0:48853 from an unknown user":
>     [junit]     at org.apache.hadoop.ipc.Client$ParallelResults.callComplete(Client.java:879)
>     [junit]     - waiting to lock <0x00000000f599ef88> (a org.apache.hadoop.ipc.Client$ParallelResults)
>     [junit]     at org.apache.hadoop.ipc.Client$ParallelCall.callComplete(Client.java:862)
>     [junit]     at org.apache.hadoop.ipc.Client$Call.setException(Client.java:185)
>     [junit]     - locked <0x00000000f59e2818> (a org.apache.hadoop.ipc.Client$ParallelCall)
>     [junit]     at org.apache.hadoop.ipc.Client$Connection.cleanupCalls(Client.java:843)
>     [junit]     at org.apache.hadoop.ipc.Client$Connection.close(Client.java:832)
>     [junit]     - locked <0x00000000f59d8a90> (a org.apache.hadoop.ipc.Client$Connection)
>     [junit]     at org.apache.hadoop.ipc.Client$Connection.run(Client.java:708)
>     [junit] "Thread-242":
>     [junit]     at org.apache.hadoop.ipc.Client$Connection.markClosed(Client.java:788)
>     [junit]     - waiting to lock <0x00000000f59d8a90> (a org.apache.hadoop.ipc.Client$Connection)
>     [junit]     at org.apache.hadoop.ipc.Client$Connection.sendParam(Client.java:742)
>     [junit]     at org.apache.hadoop.ipc.Client.call(Client.java:1109)
>     [junit]     - locked <0x00000000f599ef88> (a org.apache.hadoop.ipc.Client$ParallelResults)
>     [junit]     at org.apache.hadoop.ipc.TestIPC$ParallelCaller.run(TestIPC.java:135)

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