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https://issues.apache.org/jira/browse/HBASE-20577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16504671#comment-16504671
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Allan Yang commented on HBASE-20577:
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{quote}
So the problem is not occuring now. Right?
{quote}
Just tried your patch, catching FileNotFoundException may not be enough after I 
made the change in HBASE-20679. After adding my code (apache-jsp jar is used), 
a ServletException was thrown. But you can forget about HBASE-20679, 
FileNotFoundException is good enough. you can check in. I will change later in 
HBASE-20679.

> Make Log Level page design consistent with the design of other pages in UI
> --------------------------------------------------------------------------
>
>                 Key: HBASE-20577
>                 URL: https://issues.apache.org/jira/browse/HBASE-20577
>             Project: HBase
>          Issue Type: Improvement
>          Components: UI, Usability
>            Reporter: Nihal Jain
>            Assignee: Nihal Jain
>            Priority: Major
>             Fix For: 3.0.0
>
>         Attachments: HBASE-20577.master.001.patch, 
> HBASE-20577.master.002.patch, HBASE-20577.master.ADDENDUM.patch, 
> after_patch_LogLevel_CLI.png, after_patch_get_log_level.png, 
> after_patch_require_field_validation.png, after_patch_set_log_level_bad.png, 
> after_patch_set_log_level_success.png, 
> before_patch_no_validation_required_field.png, rest_after_addendum_patch.png
>
>
> The Log Level page in web UI seems out of the place. I think we should make 
> it look consistent with design of other pages in HBase web UI.
> Also, validation of required fields should be done, otherwise user should not 
> be allowed to click submit button.



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