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https://issues.apache.org/jira/browse/HBASE-20224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16442951#comment-16442951
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stack commented on HBASE-20224:
-------------------------------

Thats a crappy runtime exception. Its failing because address in use? Port 
clash?

bq. Yeah, that's the gist of why I was surprised. It seems odd to me to not 
force random ports in a unit testing structure. 

My understanding is that the patch(es) here do this. They turn on random ports 
for test context by setting random ports config to true in an hbase-site.xml 
that is read in test context (In hbase, tests get a special hbase-site that has 
configs that make sense for test context; e.g. disable UI by default). 
Otherwise, ports are not random so you can find your UI in the expected place 
when you run standalone.

bq. ...because I thought I might just be missing something..

I may be guilty of the above... So make allowance.

> Web UI is broken in standalone mode
> -----------------------------------
>
>                 Key: HBASE-20224
>                 URL: https://issues.apache.org/jira/browse/HBASE-20224
>             Project: HBase
>          Issue Type: Bug
>          Components: UI, Usability
>    Affects Versions: 2.0.0-beta-2
>            Reporter: Umesh Agashe
>            Assignee: Umesh Agashe
>            Priority: Blocker
>             Fix For: 2.0.0
>
>         Attachments: 
> 0001-HBASE-20224-Web-UI-is-broken-in-standalone-mode-ADDE.ADDENDUM.patch, 
> 20224-addendum.3.txt, 20224.addendum.4, 20224.addendum.5, 20224.addendum.6, 
> hbase-20224.master.001.patch, hbase-20224.master.002.patch, 
> hbase-20224.master.003.patch, hbase-20224.master.addendum.patch
>
>
> Web UI doesn't show up in standalone mode on default port. This can be seen 
> on master and branch-2.



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