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https://issues.apache.org/jira/browse/TWILL-15?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13844071#comment-13844071
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Terence Yim commented on TWILL-15:
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The constants and logging looks good, except that I think all the new log lines
should be "debug" rather than "info" to have the same log level as in the
caller side (YarnTwillPreparer).
> Detailed error message when copy to HDFS fails
> ----------------------------------------------
>
> Key: TWILL-15
> URL: https://issues.apache.org/jira/browse/TWILL-15
> Project: Apache Twill
> Issue Type: Bug
> Reporter: Bernd Fondermann
> Attachments: TWILL-15-2.patch, TWILL-15-3.patch, TWILL-15-5.patch,
> TWILL-15.patch
>
>
> When the target dir in HDFS does not exist, or the ACLs don't allow write
> access, the copy fails. The related message won't give details, so
> troubleshooting is difficult.
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