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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4721) OOM in .TestSetupAndCleanupFailure
Date Tue, 25 Nov 2008 11:01:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12650525#action_12650525

Steve Loughran commented on HADOOP-4721:

Stack Trace (resent)

    [junit] Exception in thread "Main Thread" java.lang.OutOfMemoryError: allocLargeObjectOrArray
- Object size: 164626424, Num elements: 164626404
    [junit]     at java.util.Arrays.copyOf(Arrays.java:2786)
    [junit]     at java.io.ByteArrayOutputStream.toByteArray(ByteArrayOutputStream.java:133)
    [junit]     at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:448)
    [junit]     at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:911)
    [junit]     at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:768)
    [junit] Running org.apache.hadoop.mapred.TestSetupAndCleanupFailure
    [junit] Tests run: 1, Failures: 0, Errors: 1, Time elapsed: 0 sec
    [junit] Test org.apache.hadoop.mapred.TestSetupAndCleanupFailure FAILED (timeout)

This is in ant,

            if (startTestSuiteSuccess) {
                sendOutAndErr(new String(outStrm.toByteArray()),
                              new String(errStrm.toByteArray()));

And it is triggered by either of the streams being too big for junit to handle. This is something
to x-file with Ant, but there is also a root cause somewhere to deal with -what is creating
164MB worth of stdout or stderr?

> OOM in .TestSetupAndCleanupFailure
> ----------------------------------
>                 Key: HADOOP-4721
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4721
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 0.20.0
>         Environment: 64 bit linux with JRockit 64-bit JVM
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Minor
> The root cause may be my lifecycle changes, but I'm seeing an OOM in TestSetupAndCleanupFailure

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