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https://issues.apache.org/jira/browse/AMBARI-12818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14703135#comment-14703135
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Aleksandr Kovalenko commented on AMBARI-12818:
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+1 for the patch
> Properties autotrimming works incorrectly
> -----------------------------------------
>
> Key: AMBARI-12818
> URL: https://issues.apache.org/jira/browse/AMBARI-12818
> Project: Ambari
> Issue Type: Bug
> Components: ambari-web
> Affects Versions: 2.1.1
> Reporter: Antonenko Alexander
> Assignee: Antonenko Alexander
> Priority: Critical
> Fix For: 2.1.2
>
> Attachments: AMBARI-12818.patch, Trimming.png
>
>
> # Go on HDFS Settings tab
> # append space or line feed to property "NameNode directories"
> # Save changes
> Result : All properties became unchangeable, new config group wasn't added.
> Screenshot attached.
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