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Posted to hdfs-issues@hadoop.apache.org by "Zoran Dimitrijevic (JIRA)" <ji...@apache.org> on 2017/07/10 18:23:00 UTC
[jira] [Commented] (HDFS-12052) Set SWEBHDFS delegation token kind
when ssl is enabled in HttpFS
[ https://issues.apache.org/jira/browse/HDFS-12052?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16080797#comment-16080797 ]
Zoran Dimitrijevic commented on HDFS-12052:
-------------------------------------------
Sure [~jzhuge]. I had to reformat the tests which are then detected as new code by style checks - I'll remove all style fixes unrelated to test refactoring. You can then review the new patch which will contain these fixes so that we don't waste this opportunity to clean up the style as well?
> 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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