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From "Chuan Liu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9896) TestIPC fail on trunk with error VM crash or System.exit
Date Sun, 01 Sep 2013 00:26:52 GMT

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

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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