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https://issues.apache.org/jira/browse/AMBARI-12063?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dmytro Sen reopened AMBARI-12063:
---------------------------------
Reproduced
> Config groups can't be saved in some cases
> ------------------------------------------
>
> Key: AMBARI-12063
> URL: https://issues.apache.org/jira/browse/AMBARI-12063
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.1.0
> Reporter: Dmytro Sen
> Assignee: Dmytro Sen
> Priority: Critical
> Fix For: 2.1.0
>
> Attachments: AMBARI-12063.patch
>
>
> Go to HDFS config page on installed cluster.
> Create config group (assigned hosts doesn't matter).
> Change config dfs.namenode.handler.count and save. At this time it's ok.
> Change dtnode_heapsize and click save. Server returns 500 error with no info
> about error.
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