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From "rangjiaheng (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-8435) NPE when the same client simultaneously contact for the first time Yarn Router
Date Wed, 27 Jun 2018 03:56:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-8435?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

rangjiaheng updated YARN-8435:
------------------------------
    Attachment: YARN-8435.v4.patch

> NPE when the same client simultaneously contact for the first time Yarn Router
> ------------------------------------------------------------------------------
>
>                 Key: YARN-8435
>                 URL: https://issues.apache.org/jira/browse/YARN-8435
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: router
>    Affects Versions: 2.9.0, 3.0.2
>            Reporter: rangjiaheng
>            Priority: Critical
>         Attachments: YARN-8435.v1.patch, YARN-8435.v2.patch, YARN-8435.v3.patch, YARN-8435.v4.patch
>
>
> When Two client process (with the same user name and the same hostname) begin to connect
to yarn router at the same time, to submit application, kill application, ... and so on,
then a java.lang.NullPointerException may throws from yarn router.
>  
>  



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