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https://issues.apache.org/jira/browse/YARN-8435?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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rangjiaheng updated YARN-8435:
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Description:
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.
> NullPointerException when client first time connect to Yarn Router
> ------------------------------------------------------------------
>
> Key: YARN-8435
> URL: https://issues.apache.org/jira/browse/YARN-8435
> Project: Hadoop YARN
> Issue Type: Bug
> Components: router
> Affects Versions: 3.0.2
> Reporter: rangjiaheng
> Priority: Critical
>
> 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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