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Posted to common-issues@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2009/12/21 04:22:18 UTC

[jira] Updated: (HADOOP-6461) webapps aren't located correctly post-split

     [ https://issues.apache.org/jira/browse/HADOOP-6461?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Todd Lipcon updated HADOOP-6461:
--------------------------------

    Attachment: hadoop-6461.txt

Patch change getWebAppsPath to look specifically for webapps/<appname>.

I tested this from within my build trees (pointed my hdfs checkout as HADOOP_HDFS_HOME). Before the patch, the NN web UI didn't load. With the patch, it works correctly. Since this is a cross-component issue, not sure how to correctly unit test it, but it's quite obvious to verify manually.

> webapps aren't located correctly post-split
> -------------------------------------------
>
>                 Key: HADOOP-6461
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6461
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 0.21.0, 0.22.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>         Attachments: hadoop-6461.txt
>
>
> Post-split, when one builds common it creates an empty build/webapps dir. If you then try to launch the NN for example using HADOOP_HDFS_HOME=/path/to/hdfs hdfs namenode, HttpServer.getWebAppsPath locates the empty common webapps dir, and the NN web UI fails to load.

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