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https://issues.apache.org/jira/browse/YARN-867?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13786288#comment-13786288
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Alejandro Abdelnur commented on YARN-867:
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patch6 does not look good to me, the try/catch are not correct as an exception
in ANY auxiliary service will halt delivery to the other auxiliary services.
the try/catch should be done around each call to the auxiliary service
interface methods as done in patch4.
> Isolation of failures in aux services
> --------------------------------------
>
> Key: YARN-867
> URL: https://issues.apache.org/jira/browse/YARN-867
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Reporter: Hitesh Shah
> Assignee: Xuan Gong
> Priority: Critical
> Attachments: YARN-867.1.sampleCode.patch, YARN-867.3.patch,
> YARN-867.4.patch, YARN-867.5.patch, YARN-867.6.patch,
> YARN-867.sampleCode.2.patch
>
>
> Today, a malicious application can bring down the NM by sending bad data to a
> service. For example, sending data to the ShuffleService such that it results
> any non-IOException will cause the NM's async dispatcher to exit as the
> service's INIT APP event is not handled properly.
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