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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4281) 2.7 RM app page is broken
Date Tue, 20 Oct 2015 22:21:27 GMT

    [ https://issues.apache.org/jira/browse/YARN-4281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14965873#comment-14965873
] 

Jason Lowe commented on YARN-4281:
----------------------------------

There's still extra whitespace added by this deletion (note it doesn't delete one of the lines
around the block deleted, resulting in the extra whitespace):
{noformat}
--- hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RMAppBlock.java
+++ hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RMAppBlock.java
@@ -20,21 +20,14 @@
 
 import static org.apache.hadoop.yarn.webapp.view.JQueryUI._INFO_WRAP;
 
-import java.security.PrivilegedExceptionAction;
-import java.util.Collection;
-import java.util.Set;
 
 import org.apache.commons.lang.StringEscapeUtils;
 import org.apache.commons.logging.Log;
{noformat}

Otherwise looks good.

> 2.7 RM app page is broken
> -------------------------
>
>                 Key: YARN-4281
>                 URL: https://issues.apache.org/jira/browse/YARN-4281
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Chang Li
>            Assignee: Chang Li
>            Priority: Blocker
>         Attachments: YARN-4281-branch-2.7.2.patch, YARN-4281-branch-2.7.patch, YARN-4281.2.7.modify.patch
>
>
> 2.7 RM app page is broken by the cherry pick of YARN-3248 on 23/Sep. It broke the work
around 2.7 patch of YARN-3544 to let it still use container report. Currently, our cluster's
2.7 RM app page is completely broken due to 500 error, which is caused by when user UGI is
null, completed app can not retrieve its container report, and in that code path, it doesn't
catch ContainerNotFoundException, but throw the exception, therefore cause the 500 error.
>  Running app is also broken because of the way it construct containerID by 
> {code} "ContainerId.newContainerId(
>               appAttemptReport.getApplicationAttemptId(), 1)" 
> {code}, 
> which will not include epoch number in ID, so it will also get ContainerNotFoundException
and throw 500 error.
> Propose to use the branch-2 version of YARN-3544, instead of the work around 2.7 patch
because branch 2 patch on 2.7 is no longer blocked.



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