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https://issues.apache.org/jira/browse/HADOOP-12847?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wei-Chiu Chuang updated HADOOP-12847:
-------------------------------------
    Attachment: HADOOP-12847.001.patch

Rev01: this is an initial patch that uses {{AuthenticatedURL}} to perform 
SPENGO negotiation with a Kerberized cluster. 

I still need to work out a good way to be backward-compatible (i.e. support 
http) and also need to have a better exception handling.

But I have tested it locally and it successfully connects to a Kerberized 
cluster and set log level correctly.

> hadoop daemonlog should support https and SPNEGO for Kerberized cluster
> -----------------------------------------------------------------------
>
>                 Key: HADOOP-12847
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12847
>             Project: Hadoop Common
>          Issue Type: New Feature
>            Reporter: Wei-Chiu Chuang
>            Assignee: Wei-Chiu Chuang
>         Attachments: HADOOP-12847.001.patch
>
>
> {{hadoop daemonlog}} is a simple, yet useful tool for debugging.
> However, it does not support https, nor does it support a Kerberized Hadoop 
> cluster.
> Using {{AuthenticatedURL}}, it will be able to support SPNEGO negotiation 
> with a Kerberized name node web ui. It will also fall back to simple 
> authentication if the cluster is not Kerberized.



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