[jira] [Commented] (FLINK-6551) OutputTag name should not be allowed to be empty

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-6551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16017462#comment-16017462 ] 

ASF GitHub Bot commented on FLINK-6551:
---------------------------------------

GitHub user zentol opened a pull request:

    https://github.com/apache/flink/pull/3953

    [FLINK-6551] Reject empty OutputTag names

    With this PR we reject empty `OutputTag` names. Having an empty name prevents useful logging messages, as they would effectively contain no information about the tag.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/zentol/flink 6551_outputtag_empty

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/flink/pull/3953.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #3953
    
----
commit 7e8a2f0cfd30466de1c99195a70992e92364efbc
Author: zentol <ch...@apache.org>
Date:   2017-05-19T14:20:05Z

    [FLINK-6551] Reject empty OutputTag names

----


> OutputTag name should not be allowed to be empty
> ------------------------------------------------
>
>                 Key: FLINK-6551
>                 URL: https://issues.apache.org/jira/browse/FLINK-6551
>             Project: Flink
>          Issue Type: Improvement
>          Components: DataStream API
>    Affects Versions: 1.3.0, 1.4.0
>            Reporter: Chesnay Schepler
>            Assignee: Chesnay Schepler
>
> When creating an OutputTag it is required to give it a name.
> While we do enforce that the name is not null we do not have a check in place that prevents passing an empty string.



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