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https://issues.apache.org/jira/browse/YARN-11667?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17829542#comment-17829542
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ASF GitHub Bot commented on YARN-11667:
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slfan1989 commented on PR #6648:
URL: https://github.com/apache/hadoop/pull/6648#issuecomment-2012203074
@qiuliang988 Thank you for your contribution! but I'm sorry, I do not agree
with this change. We cannot always maintain backward compatibility, and the
best approach would be to find a way to upgrade the version.
> Federation: ResourceRequestComparator occurs NPE when using low version of
> hadoop submit application
> ----------------------------------------------------------------------------------------------------
>
> Key: YARN-11667
> URL: https://issues.apache.org/jira/browse/YARN-11667
> Project: Hadoop YARN
> Issue Type: Bug
> Components: amrmproxy
> Affects Versions: 3.4.0
> Reporter: qiuliang
> Priority: Major
> Labels: pull-request-available
>
> When a application is submitted using a lower version of hadoop and the
> Resource Request built by AM has no ExecutionTypeRequest. After the Resource
> Request is submitted to AMRMProxy, the NPE occurs when AMRMProxy reconstructs
> the Allocate Request to add Resource Request to its ask
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