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Posted to common-issues@hadoop.apache.org by "Elek, Marton (JIRA)" <ji...@apache.org> on 2017/09/08 10:10:00 UTC
[jira] [Updated] (HADOOP-14850) Read HttpServer2 resources directly
from the source tree (if exists)
[ https://issues.apache.org/jira/browse/HADOOP-14850?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Elek, Marton updated HADOOP-14850:
----------------------------------
Status: Patch Available (was: Open)
> 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
>
>
> 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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