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https://issues.apache.org/jira/browse/YARN-9986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16977161#comment-16977161
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Prabhu Joseph commented on YARN-9986:
-------------------------------------
[~kyungwan nam] Thanks for the patch. The patch looks good. Can you include a
test case as well.
> signalToContainer REST API does not work even if requested by the app owner
> ---------------------------------------------------------------------------
>
> Key: YARN-9986
> URL: https://issues.apache.org/jira/browse/YARN-9986
> Project: Hadoop YARN
> Issue Type: Bug
> Components: restapi
> Reporter: kyungwan nam
> Assignee: kyungwan nam
> Priority: Major
> Attachments: YARN-9986.001.patch
>
>
> signalToContainer REST API introduced in YARN-8693 does not work even if
> requested by the app owner.
> It works well only if requested by an admin user
> {code}
> $ kinit kwnam
> Password for kw...@test.org:
> $ curl -H 'Content-Type: application/json' --negotiate -u : -X POST
> https://rm002.test.org:8088/ws/v1/cluster/containers/container_e58_1573625560605_29927_01_000001/signal/GRACEFUL_SHUTDOWN
> {"RemoteException":{"exception":"ForbiddenException","message":"java.lang.Exception:
> Only admins can carry out this
> operation.","javaClassName":"org.apache.hadoop.yarn.webapp.ForbiddenException"}}$
> $ kinit admin
> Password for ad...@test.org:
> $
> $ curl -H 'Content-Type: application/json' --negotiate -u : -X POST
> https://rm002.test.org:8088/ws/v1/cluster/containers/container_e58_1573625560605_29927_01_000001/signal/GRACEFUL_SHUTDOWN
> $
> {code}
> in contrast, the app owner can do it using the command line as below.
> {code}
> $ kinit kwnam
> Password for kw...@test.org:
> $ yarn container -signal container_e58_1573625560605_29927_01_000002
> GRACEFUL_SHUTDOWN
> Signalling container container_e58_1573625560605_29927_01_000002
> 2019-11-19 09:12:29,797 INFO impl.YarnClientImpl: Signalling container
> container_e58_1573625560605_29927_01_000002 with command GRACEFUL_SHUTDOWN
> 2019-11-19 09:12:29,920 INFO client.ConfiguredRMFailoverProxyProvider:
> Failing over to rm2
> $
> {code}
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