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From "Akhil PB (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-8620) [UI2] YARN Services UI new submission failures are not debuggable
Date Fri, 03 Aug 2018 11:07:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-8620?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16568099#comment-16568099

Akhil PB commented on YARN-8620:

Hi [~sunilg], Thanks for the comments. I have uploaded the latest v2 patch addressing your
comments. Please note that the error messages added in UI are failsafe/fallback messages.
Means if the API does return the following type error message, UI would show below API error
message, otherwise UI would fallback to the messages mentioned above. Please review the latest
{diagnostics: "Some error message"}{code}

> [UI2] YARN Services UI new submission failures are not debuggable
> -----------------------------------------------------------------
>                 Key: YARN-8620
>                 URL: https://issues.apache.org/jira/browse/YARN-8620
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: yarn-ui-v2
>            Reporter: Akhil PB
>            Assignee: Akhil PB
>            Priority: Major
>         Attachments: YARN-8620.001.patch, YARN-8620.002.patch
> When a new service is submitted through the YARN Services UI and an error occurs, the
only message in the UI is
> {code}
> Error: Adapter operation failed
> {code}
> Even though the underlying REST API is returning one of the following messages, it is
completely hidden from the end user
> {code}
> - \{"diagnostics":"Artifact tarball does not exist hbase-"}
> - \{"diagnostics":"Specified src_file does not exist on hdfs: hdfs-site.xml"}
> - \{"diagnostics":"Failed to create service sleeper-service, because it already exists."}
> {code}

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