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From "Yongjun Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10895) HTTP KerberosAuthenticator fallback should have a flag to disable it
Date Sun, 15 Feb 2015 05:56:12 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10895?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14321823#comment-14321823
] 

Yongjun Zhang commented on HADOOP-10895:
----------------------------------------

Hi Folks watching this jira,

Thanks [~rkanter] for committing HADOOP-11467. This addressed Robert's comment in
https://issues.apache.org/jira/browse/HADOOP-10895?focusedCommentId=14247476&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14247476
such that KerberosAuthenticator will fallback when talking to insure cluster.

Now back to HADOOP-10895, if we apply the patch of HADOOP-10895, it means that the clients
that depends on the existing automatic fallback feature need to be changed. This is why HADOOP-10895
is marked as "incompatible". Robert once shared his concern about this with me.

Would you please comment on whether we should proceed with HADOOP-10895 solution and fix the
clients accordingly?

Thanks a lot.


> HTTP KerberosAuthenticator fallback should have a flag to disable it
> --------------------------------------------------------------------
>
>                 Key: HADOOP-10895
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10895
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 2.4.1
>            Reporter: Alejandro Abdelnur
>            Assignee: Yongjun Zhang
>            Priority: Blocker
>         Attachments: HADOOP-10895.001.patch, HADOOP-10895.002.patch, HADOOP-10895.003.patch,
HADOOP-10895.003v1.patch, HADOOP-10895.003v2.patch, HADOOP-10895.003v2improved.patch, HADOOP-10895.004.patch,
HADOOP-10895.005.patch, HADOOP-10895.006.patch, HADOOP-10895.007.patch, HADOOP-10895.008.patch,
HADOOP-10895.009.patch
>
>
> Per review feedback in HADOOP-10771, {{KerberosAuthenticator}} and the delegation token
version coming in with HADOOP-10771 should have a flag to disable fallback to pseudo, similarly
to the one that was introduced in Hadoop RPC client with HADOOP-9698.



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