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https://issues.apache.org/jira/browse/HADOOP-9896?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13755630#comment-13755630
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Chuan Liu commented on HADOOP-9896:
-----------------------------------

[~macrokigol], I think the timeout is a separate issue. In our case, if we run 
testRetryProxy alone, it never fails. However when running all the test cases 
in the test class together, we will always get the JVM crash error due to 
testRetryProxy hangs.

It could be a race condition. What is your OS and configuration? [~shanyu] 
suspects your guys never run into our problem because you have faster machines. 
So it could also be that our Linux VM is slower and we never run into this 
timeout issue.
                
> TestIPC fail on trunk with error VM crash or System.exit
> --------------------------------------------------------
>
>                 Key: HADOOP-9896
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9896
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: ipc
>    Affects Versions: 3.0.0, 2.3.0
>            Reporter: shanyu zhao
>            Assignee: Chuan Liu
>         Attachments: HADOOP-9896.2.patch, HADOOP-9896.patch, 
> org.apache.hadoop.ipc.TestIPC-output.txt
>
>
> I'm running hadoop unit tests on a Ubuntu 12.04 64 bit virtual machine, every 
> time I try to run all unit tests with command "mvn test", the TestIPC unit 
> test will fail, the console will show "The forked VM terminated without 
> saying properly goodbye. VM crash or System.exit called?"
> To reproduce:
> $cd hadoop-common-project/hadoop-common
> $mvn clean install -Pdist -DskipTests
> $mvn test -Pdist -Dtest=TestIPC

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