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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4376) TestClusterMRNotification times out
Date Wed, 27 Jun 2012 19:23:44 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4376?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13402499#comment-13402499

Kihwal Lee commented on MAPREDUCE-4376:

There is a check for null to handle transitions from UNASSIGNED state, but the check doesn't
work anymore because  assignedRequest.get() throws NPE after the following change from MAPREDUCE-3921.

     ContainerId get(TaskAttemptId tId) {
       if (tId.getTaskId().getTaskType().equals(TaskType.MAP)) {
-        return maps.get(tId);
+        return maps.get(tId).getId();
       } else {
-        return reduces.get(tId);
+        return reduces.get(tId).getId();

Jason has also suggested we put a time limit in these jobs so that they don't hang even if
something goes wrong.
> TestClusterMRNotification times out
> -----------------------------------
>                 Key: MAPREDUCE-4376
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4376
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2, test
>    Affects Versions: 2.0.1-alpha
>            Reporter: Jason Lowe
>            Assignee: Kihwal Lee
> The TestClusterMRNotification test is often timing out.  git bisect tests narrowed it
down to MAPREDUCE-3921, as the test consistently passes before that change and times out most
of the time after picking up that change.

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