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https://issues.apache.org/jira/browse/HADOOP-9440?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tian Hong Wang resolved HADOOP-9440.
------------------------------------

    Resolution: Not A Problem
    
> Unit Test: hadoop-common2.0.3 TestIPC fails on protobuf2.5.0
> ------------------------------------------------------------
>
>                 Key: HADOOP-9440
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9440
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 2.1.0-beta
>            Reporter: Tian Hong Wang
>              Labels: patch
>         Attachments: HADOOP-9440.patch
>
>
> TestIPC runs normally if use protobuf2.4.1 or below version. But if using 
> protobuf2.5.0, TestIPC.testIpcTimeout &  TestIPC.testIpcConnectTimeout will 
> fail.
> java.io.IOException: Failed on local exception: 
> com.google.protobuf.InvalidProtocolBufferException: 500 millis timeout while 
> waiting for channel to be ready for read. ch : 
> java.nio.channels.SocketChannel[connected local=/127.0.0.1:50850 
> remote=louis-ThinkPad-T410/127.0.0.1:50353]; Host Details : local host is: 
> "louis-ThinkPad-T410/127.0.0.1"; destination host is: 
> "louis-ThinkPad-T410":50353; 
>       at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:761)
>       at org.apache.hadoop.ipc.Client.call(Client.java:1239)
>       at org.apache.hadoop.ipc.Client.call(Client.java:1163)
>       at org.apache.hadoop.ipc.TestIPC.testIpcTimeout(TestIPC.java:492)
> testIpcConnectTimeout(org.apache.hadoop.ipc.TestIPC)  Time elapsed: 2009 sec  
> <<< ERROR!
> java.io.IOException: Failed on local exception: 
> com.google.protobuf.InvalidProtocolBufferException: 2000 millis timeout while 
> waiting for channel to be ready for read. ch : 
> java.nio.channels.SocketChannel[connected local=/127.0.0.1:51304 
> remote=louis-ThinkPad-T410/127.0.0.1:39525]; Host Details : local host is: 
> "louis-ThinkPad-T410/127.0.0.1"; destination host is: 
> "louis-ThinkPad-T410":39525; 
>       at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:761)
>       at org.apache.hadoop.ipc.Client.call(Client.java:1239)
>       at org.apache.hadoop.ipc.Client.call(Client.java:1163)
>       at org.apache.hadoop.ipc.TestIPC.testIpcConnectTimeout(TestIPC.java:515)
> TestIPC.testIpcTimeout &  TestIPC.testIpcConnectTimeout fails because it 
> catches the  com.google.protobuf.InvalidProtocolBufferException not 
> SocketTimeoutException.

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