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https://issues.apache.org/jira/browse/HADOOP-13155?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15305042#comment-15305042
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Hadoop QA commented on HADOOP-13155:
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| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12806771/HADOOP-13155.04.patch
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| JIRA Issue | HADOOP-13155 |
| Console output |
https://builds.apache.org/job/PreCommit-HADOOP-Build/9611/console |
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> Implement TokenRenewer to renew and cancel delegation tokens in KMS
> -------------------------------------------------------------------
>
> Key: HADOOP-13155
> URL: https://issues.apache.org/jira/browse/HADOOP-13155
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Xiao Chen
> Assignee: Xiao Chen
> Attachments: HADOOP-13155.01.patch, HADOOP-13155.02.patch,
> HADOOP-13155.03.patch, HADOOP-13155.04.patch, HADOOP-13155.pre.patch
>
>
> Service DelegationToken (DT) renewal is done in Yarn by
> {{org.apache.hadoop.yarn.server.resourcemanager.security.DelegationTokenRenewer}},
> where it calls {{Token#renew}} and uses ServiceLoader to find the renewer
> class
> ([code|https://github.com/apache/hadoop/blob/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/Token.java#L382]),
> and invokes the renew method from it.
> We seem to miss the token renewer class in KMS / HttpFSFileSystem, and hence
> Yarn defaults to {{TrivialRenewer}} for DT of such kinds, resulting in the
> token not being renewed.
> As a side note, {{HttpFSFileSystem}} does have a {{renewDelegationToken}}
> API, but I don't see it invoked in hadoop code base. KMS does not have any
> renew hook.
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