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From "Yufei Gu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6334) TestRMFailover#testAutomaticFailover always passes even RM didn't transition to Standby.
Date Wed, 15 Mar 2017 00:01:41 GMT

    [ https://issues.apache.org/jira/browse/YARN-6334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15925297#comment-15925297
] 

Yufei Gu commented on YARN-6334:
--------------------------------

Thanks [~haibochen] for the review. Uploaded patch v2 for your comment.

> TestRMFailover#testAutomaticFailover always passes even RM didn't transition to Standby.
> ----------------------------------------------------------------------------------------
>
>                 Key: YARN-6334
>                 URL: https://issues.apache.org/jira/browse/YARN-6334
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Yufei Gu
>            Assignee: Yufei Gu
>         Attachments: YARN-6334.001.patch, YARN-6334.002.patch
>
>
> Due to a bug in {{while}} loop. 
> {code}
>     int maxWaitingAttempts = 2000;
>     while (maxWaitingAttempts-- > 0 ) {
>       if (rm.getRMContext().getHAServiceState() == HAServiceState.STANDBY) {
>         break;
>       }
>       Thread.sleep(1);
>     }
>     Assert.assertFalse("RM didn't transition to Standby ",
>         maxWaitingAttempts == 0);
> {code}
> maxWaitingAttempts is -1 if RM didn't transition to Standby. 



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