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https://issues.apache.org/jira/browse/AMBARI-12612?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14717670#comment-14717670
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Yusaku Sako commented on AMBARI-12612:
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The attached web.tgz is a hotfix that would apply on top of Ambari 2.1.0
version (and not any other version!)
To apply:
1. Copy web.tgz to /usr/lib/ambari-server on the Ambari Server host (or perform
"wget https://issues.apache.org/jira/secure/attachment/12752875/web.tgz";)
2. ssh as root into Ambari Server host and run the following commands
cd /usr/lib/ambari-server
mv web web-orig
tar zxvf web.tgz
3. Do a hard refresh to access Ambari Web (if the hotfix doesn't work, you
might need to clear the browser cache).
> Namenode dir textarea vanishes when value contains /home in path
> ----------------------------------------------------------------
>
> Key: AMBARI-12612
> URL: https://issues.apache.org/jira/browse/AMBARI-12612
> Project: Ambari
> Issue Type: Bug
> Components: ambari-web
> Affects Versions: 2.1.0
> Reporter: Srimanth Gunturi
> Assignee: Aleksandr Kovalenko
> Priority: Critical
> Fix For: 2.1.1
>
> Attachments: AMBARI-12612.patch, Screen Shot 2015-07-31 at 10.27.30
> AM.png, Screen Shot 2015-07-31 at 11.39.45 AM.png, web.tgz
>
>
> Install a cluster with ZK+AMS services only. Then add HDFS service using the
> add-service wizard. In the configurations step, enter the value of 'NameNode
> directories' to '/home/foo' which should generate the validation error
> {{Can't start with "home(s)"}}.
> Now switch to configs of all other services and go back to HDFS configs. Now
> the textarea is not shown.
> Workaround: Hit _Back_ followed by _Next_ to show the text-area. OR just
> refresh the page to repopulate the configs.
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