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Date: Wed, 22 Mar 2017 22:11:41 +0000 (UTC)
From: "Varun Saxena (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
Message-ID: <JIRA.12980040.1466124032000.93985.1490220701690@Atlassian.JIRA>
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Subject: [jira] [Commented] (YARN-5269) Bubble exceptions and errors all the
 way up the calls, including to clients.
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archived-at: Wed, 22 Mar 2017 22:11:47 -0000


    [ https://issues.apache.org/jira/browse/YARN-5269?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15937257#comment-15937257 ] 

Varun Saxena commented on YARN-5269:
------------------------------------

The reason for asking this question is that I want to see if sending error per entity would be possible or not.
Or throwing an exception as Haibo suggested would be good enough.

> Bubble exceptions and errors all the way up the calls, including to clients.
> ----------------------------------------------------------------------------
>
>                 Key: YARN-5269
>                 URL: https://issues.apache.org/jira/browse/YARN-5269
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>    Affects Versions: YARN-2928
>            Reporter: Joep Rottinghuis
>            Assignee: Haibo Chen
>              Labels: YARN-5355, yarn-5355-merge-blocker
>
> Currently we ignore (swallow) exception from the HBase side in many cases (reads and writes).
> Also, on the client side, neither TimelineClient#putEntities (the v2 flavor) nor the #putEntitiesAsync method return any value.
> For the second drop we may want to consider how we properly bubble up exceptions throughout the write and reader call paths and if we want to return a response in putEntities and some future kind of result for putEntitiesAsync.


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