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https://issues.apache.org/jira/browse/TEZ-1267?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14148677#comment-14148677
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Jeff Zhang commented on TEZ-1267:
---------------------------------
Attach patch.
* For VertexManager, all the exception from VertexManager is caught and will
fail the DAG if VertexManager throw exception.
* For InputInitliazer, only the exception from InputInitliazer.initialize() is
caught. handleInputInitializerEvent and onVertexStateUpdated is not easy to
handle, not implemented yet in this patch.
> Exception handling when Routing Events
> --------------------------------------
>
> Key: TEZ-1267
> URL: https://issues.apache.org/jira/browse/TEZ-1267
> Project: Apache Tez
> Issue Type: Sub-task
> Reporter: Siddharth Seth
> Assignee: Jeff Zhang
> Priority: Critical
> Attachments: Tez-1267.patch
>
>
> Events are generated by user code. In some places they're also handled by
> user code within the AM. Currently, exceptions which are generated when
> handling user code will end up killing the AM (and hence leading to a retry).
> Instead, failure to handle such events, should cause the application to fail.
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