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From "Rajesh Balamohan (Jira)" <j...@apache.org>
Subject [jira] [Updated] (TEZ-3985) Correctness: Throw a clear exception for DMEs sent during cleanup
Date Tue, 26 Jan 2021 06:10:00 GMT

     [ https://issues.apache.org/jira/browse/TEZ-3985?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rajesh Balamohan updated TEZ-3985:
----------------------------------
    Attachment: TEZ-3985.5.patch

> Correctness: Throw a clear exception for DMEs sent during cleanup
> -----------------------------------------------------------------
>
>                 Key: TEZ-3985
>                 URL: https://issues.apache.org/jira/browse/TEZ-3985
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Gopal Vijayaraghavan
>            Assignee: Jaume M
>            Priority: Major
>         Attachments: TEZ-3985.1.patch, TEZ-3985.2.patch, TEZ-3985.3.patch, TEZ-3985.3.patch,
TEZ-3985.4.patch, TEZ-3985.5.patch
>
>
> If a DME is sent during cleanup, that implies that the .close() of the LogicalIOProcessorRuntimeTask
did not succeed and therefore these events are an error condition.
> These events should not be sent and more importantly should be received by the AM.
> Throw a clear exception, in case of this & allow the developers to locate the extraneous
event from the backtrace.



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