hadoop-yarn-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Xuan Gong (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4313) Race condition in MiniMRYarnCluster when getting history server address
Date Fri, 30 Oct 2015 00:39:27 GMT

    [ https://issues.apache.org/jira/browse/YARN-4313?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14981651#comment-14981651
] 

Xuan Gong commented on YARN-4313:
---------------------------------

Committed into trunk/branch-2/branch-2.7. Thanks, Jian !

> Race condition in MiniMRYarnCluster when getting history server address
> -----------------------------------------------------------------------
>
>                 Key: YARN-4313
>                 URL: https://issues.apache.org/jira/browse/YARN-4313
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Jian He
>            Assignee: Jian He
>             Fix For: 2.8.0, 2.7.2
>
>         Attachments: YARN-4313.1.patch, YARN-4313.2.patch
>
>
> Problem in this place when waiting for JHS to be started
> {code}
>         new Thread() {
>           public void run() {
>             historyServer.start();
>           };
>         }.start();
>         while (historyServer.getServiceState() == STATE.INITED) {
>           LOG.info("Waiting for HistoryServer to start...");
>           Thread.sleep(1500);
>         }
> {code}
> The service state is updated before the service is actually started. See AbstractServic#start.
 So it's possible that when the while loop breaks, the service is not yet started. 



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message