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https://issues.apache.org/jira/browse/YARN-11956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18080470#comment-18080470
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ASF GitHub Bot commented on YARN-11956:
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slfan1989 merged PR #8449:
URL: https://github.com/apache/hadoop/pull/8449
> Register RMQueueAclInfo in ClassSerialisationConfig for JSON responses
> ----------------------------------------------------------------------
>
> Key: YARN-11956
> URL: https://issues.apache.org/jira/browse/YARN-11956
> Project: Hadoop YARN
> Issue Type: Bug
> Components: yarn
> Reporter: Riya Khandelwal
> Assignee: Riya Khandelwal
> Priority: Critical
> Labels: pull-request-available
>
> The RM queue access REST call (…/queues/\{queue}/access?user=…) returns
> RMQueueAclInfo, which was missing from the MOXy JSON allowlist in
> ClassSerialisationConfig, so Accept: application/json could fail with no
> MessageBodyWriter. Register RMQueueAclInfo there so that endpoint can return
> JSON.
> tested:
> curl -sS -H 'Accept: application/json' \
> 'http://localhost:8088/ws/v1/cluster/queues/default/access?user=yarn'
> * With the fix: HTTP 200, JSON body (unwrapped)
> * Without the fix: error response mentioning MessageBodyWriter not found for
> RMQueueAclInfo
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