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https://issues.apache.org/jira/browse/AMBARI-20666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15967725#comment-15967725
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Tim Thorpe commented on AMBARI-20666:
-------------------------------------
Manual testing including running the code in a script and running mvn clean
test on ambari-server.
import re
user_and_groups = ",users, group1,group2,"
parts = re.split('\s', user_and_groups)
if len(parts) == 1:
parts.append("")
users_list = parts[0].strip(",").split(",") if parts[0] else []
groups_list = parts[1].strip(",").split(",") if parts[1] else []
print users_list
print groups_list
> beginning or ending commas in dfs.cluster.administrators cause trouble for
> starting services
> --------------------------------------------------------------------------------------------
>
> Key: AMBARI-20666
> URL: https://issues.apache.org/jira/browse/AMBARI-20666
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: trunk
> Reporter: Tim Thorpe
> Assignee: Tim Thorpe
> Priority: Minor
> Attachments: AMBARI-20666.patch
>
>
> In order to avoid issues with starting and stopping services, it would be
> useful to trim any commas from the beginning or ending of the user and group
> lists
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