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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (HDFS-3699) HftpFileSystem should try both KSSL and SPNEGO when authentication is required
Date Tue, 01 Oct 2013 15:14:27 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3699?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Owen O'Malley closed HDFS-3699.
-------------------------------


> HftpFileSystem should try both KSSL and SPNEGO when authentication is required
> ------------------------------------------------------------------------------
>
>                 Key: HDFS-3699
>                 URL: https://issues.apache.org/jira/browse/HDFS-3699
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: eric baldeschwieler
>
> See discussion in HDFS-2617 (Replaced Kerberized SSL for image transfer and fsck with
SPNEGO-based solution).
> To handle the transition from Hadoop1.0 systems running KSSL authentication to Hadoop
systems running SPNEGO, it would be good to fix the client in both 1 and 2 to try SPNEGO and
then fall back to try KSSL.  
> This will allow organizations that are running a lot of Hadoop 1.0 to gradually transition
over, without needing to convert all clusters at the same time.  They would first need to
update their 1.0 HFTP clients (and 2.0/0.23 if they are already running those) and then they
could copy data between clusters without needing to move all clusters to SPNEGO in a big bang.



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