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From "Elek, Marton (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-14850) Read HttpServer2 resources directly from the source tree (if exists)
Date Fri, 08 Sep 2017 10:22:00 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-14850?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Elek, Marton updated HADOOP-14850:
----------------------------------
    Attachment: HADOOP-14850.002.patch

> Read HttpServer2 resources directly from the source tree (if exists)
> --------------------------------------------------------------------
>
>                 Key: HADOOP-14850
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14850
>             Project: Hadoop Common
>          Issue Type: Improvement
>    Affects Versions: 3.0.0-alpha4
>            Reporter: Elek, Marton
>            Assignee: Elek, Marton
>         Attachments: HADOOP-14850.001.patch, HADOOP-14850.002.patch
>
>
> Currently the Hadoop server components can't be started from IDE during the development.
There are two reasons for that:
> 1. some artifacts are in provided scope which are definitelly needed to run the server
(see HDFS-12197)
> 2. The src/main/webapp dir should be on the classpath (but not).
> In this issue I suggest to fix the second issue by reading the web resources (html and
css files) directly from the source tree and not from the classpath but ONLY if the src/main/webapp
dir exists. Similar approach exists in different projects (eg. in Spark).
> WIth this patch the web development of the web interfaces are significant easier as the
result could be checked immediatelly with a running severt (without rebuild/restart). I used
this patch during the development of the Ozone web interfaces.
> As the original behaviour of the resource location has not been change if "src/main/webapp"
doesn't exist, I think it's quite safe.  And the method is called only once during the creation
of the HttpServer2 there is also no change in performance.



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