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https://issues.apache.org/jira/browse/HDFS-12052?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16245268#comment-16245268
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Zoran Dimitrijevic commented on HDFS-12052:
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Sure. But I think it was exactly the same fix as for 3+. I did it for
Altiscale 2.7+ branch. What do you want me to do?
> 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
> Fix For: 3.0.0-beta1
>
> Attachments: HDFS-12052.00.patch, HDFS-12052.01.patch,
> HDFS-12052.02.patch, HDFS-12052.03.patch, HDFS-12052.04.patch,
> HDFS-12052.05.patch, HDFS-12052.06.patch, HDFS-12052.07.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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