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https://issues.apache.org/jira/browse/TEZ-2216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14372415#comment-14372415
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Jeff Zhang commented on TEZ-2216:
---------------------------------
This could be done to some certain extent. Depends on 2 things:
* whether DAGClientServer is started ( Client get diagnostics from
DAGClientServer
* whether YarnTaskSchedulerService is started ( YarnTaskScheduler will
unregister it from RM, and push diagnostics to RM, Client get diagnostics from
RM )
> Expose errors during AM initialization
> --------------------------------------
>
> Key: TEZ-2216
> URL: https://issues.apache.org/jira/browse/TEZ-2216
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Bikas Saha
>
> If there are bad configs or other issues that cause errors/exceptions during
> AM initialization (eg. during service init) then those errors are not exposed
> to the user. Exposing them would be useful in quickly debugging such issues.
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