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https://issues.apache.org/jira/browse/TEZ-3213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15260846#comment-15260846
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Jonathan Eagles commented on TEZ-3213:
--------------------------------------

+1. lgtm.
[~zjffdu], if there are no other comments, I would be happy to check this into 
branch-0.7.

> Uncaught exception during vertex recovery leads to invalid state transition 
> loop
> --------------------------------------------------------------------------------
>
>                 Key: TEZ-3213
>                 URL: https://issues.apache.org/jira/browse/TEZ-3213
>             Project: Apache Tez
>          Issue Type: Bug
>    Affects Versions: 0.7.0
>            Reporter: Jason Lowe
>            Assignee: Eric Badger
>         Attachments: TEZ-3213-b0.7.001.patch
>
>
> If an uncaught exception occurs during a state transition from the RECOVERING 
> vertex then V_INTERNAL_ERROR will be delivered to the state machine, but that 
> event is not handled in the RECOVERING state.  That in turn causes a 
> V_INTERNAL_ERROR event to be delivered to the state machine, and it loops 
> logging the invalid transitions.



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