[jira] [Commented] (YARN-9479) Change String.equals to Objects.equals(String,String) to avoid possible NullPointerException

["Hadoop QA (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-9479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16921119#comment-16921119 ] 

Hadoop QA commented on YARN-9479:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m 10s{color} | {color:red} https://github.com/apache/hadoop/pull/738 does not apply to trunk. Rebase required? Wrong Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| GITHUB PR | https://github.com/apache/hadoop/pull/738 |
| JIRA Issue | YARN-9479 |
| Console output | https://builds.apache.org/job/hadoop-multibranch/job/PR-738/12/console |
| versions | git=2.17.1 |
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> Change String.equals to Objects.equals(String,String) to avoid possible NullPointerException
> --------------------------------------------------------------------------------------------
>
>                 Key: YARN-9479
>                 URL: https://issues.apache.org/jira/browse/YARN-9479
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: bd2019us
>            Priority: Major
>         Attachments: 1.patch
>
>
> Hello,
> I found that the String "queueName"  may cause potential risk of 
> NullPointerException since it is immediately used after initialization and there is no null checker. One recommended API is Objects.equals(String,String) which can avoid this exception.



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