[jira] [Updated] (HADOOP-18585) DataNode's internal infoserver redirects with http scheme, not https when https enabled.

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-18585?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated HADOOP-18585:
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    Labels: pull-request-available  (was: )

> DataNode's internal infoserver redirects with http scheme, not https when https enabled.
> ----------------------------------------------------------------------------------------
>
>                 Key: HADOOP-18585
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18585
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 3.3.4
>            Reporter: YUBI LEE
>            Priority: Minor
>              Labels: pull-request-available
>
> After HADOOP-16314, WebServlet.java was added. On WebServlet#doGet, it redirects '/' to '/index.html'. However, if a client connects to DataNode with https scheme, it fails to connect because it responds 302 with Location header which has http scheme.
> (Hostname is modified.)
> {code:java}
> $ curl https://dn1.example.com:50475/ -v 2>&1 | grep Location
> < Location: http://dn1.example.com:50475/index.html
> {code}
> I can't ensure that which solution is the best between:
> - Use DefaultServlet instead of WebServlet. DataNode can answer with index.html when accessed in '/'.
> - According to "dfs.http.policy" in hdfs-site.xml, run internal infoserver as https or http server each.



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