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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2025) Possible NPE in schedulers#addApplicationAttempt()
Date Tue, 06 May 2014 19:15:43 GMT

    [ https://issues.apache.org/jira/browse/YARN-2025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13991014#comment-13991014

Hadoop QA commented on YARN-2025:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager.

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-YARN-Build/3704//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/3704//console

This message is automatically generated.

> Possible NPE in schedulers#addApplicationAttempt()
> --------------------------------------------------
>                 Key: YARN-2025
>                 URL: https://issues.apache.org/jira/browse/YARN-2025
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Tsuyoshi OZAWA
>            Assignee: Tsuyoshi OZAWA
>         Attachments: YARN-2025.1.patch
> In FifoScheduler/FairScheduler/CapacityScheduler#addApplicationAttempt(), we don't check
whether {{application}} is null. This can cause NPE in following sequences: addApplication()
-> doneApplication() (e.g. AppKilledTransition) -> addApplicationAttempt().
> {code}
>     SchedulerApplication application =
>         applications.get(applicationAttemptId.getApplicationId());
>     String user = application.getUser();
> {code}

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