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https://issues.apache.org/jira/browse/HDFS-12052?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16080956#comment-16080956
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Allen Wittenauer commented on HDFS-12052:
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bq. They add noise to the code review and will complicate backport.
I don't think this is going to be easy to backport anyway, given the shifts in
code between 2 and 3. Personally, I'd prefer we fix style issues here anyway so
that future commits don't have these issues. It's just a guideline to not fix
style issues.
The much bigger issue is this one:
bq. Do we want to use httpfs.ssl.enabled or hadoop.httpfs.ssl.enabled ?
This is a much bigger problem. It looks like the shell profile code is wrong,
but [~jzhuge] would know for sure. We should probably fix this at the same
time while we are here.
> Set SWEBHDFS delegation token kind when ssl is enabled in HttpFS
> ----------------------------------------------------------------
>
> Key: HDFS-12052
> URL: https://issues.apache.org/jira/browse/HDFS-12052
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: httpfs, webhdfs
> Affects Versions: 2.7.3, 3.0.0-alpha3
> Reporter: Zoran Dimitrijevic
> Assignee: Zoran Dimitrijevic
> Attachments: HDFS-12052.00.patch, HDFS-12052.01.patch,
> HDFS-12052.02.patch, HDFS-12052.03.patch, HDFS-12052.04.patch
>
>
> When httpfs runs with httpfs.ssl.enabled it should return SWEBHDFS delegation
> tokens.
> Currently, httpfs returns WEBHDFS delegation "kind" for tokens regardless of
> whether ssl is enabled or not. If clients directly connect to renew tokens
> (for example, hdfs dfs) all works because httpfs doesn't check whether token
> kind is for swebhdfs or webhdfs. However, this breaks when yarn rm needs to
> renew the token for the job (for example, when running hadoop distcp). Since
> DT kind is WEBHDFS, rm tries to establish non-ssl connection to httpfs and
> fails.
> I've tested a simple patch which I'll upload to this jira, and it fixes this
> issue (hadoop distcp works).
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