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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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