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https://issues.apache.org/jira/browse/YARN-9933?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16958802#comment-16958802
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Prabhu Joseph commented on YARN-9933:
-------------------------------------
After Fix, Get-Node-Labels Json Response
*With no Node Label:*
{code:java}
curl http://yarndocker-1:8088/ws/v1/cluster/get-node-labels
{"nodeLabelsInfo":{}}
{code}
*With One Node Label:*
{code:java}
{"nodeLabelsInfo":{"nodeLabelInfo":[{"name":"x","exclusivity":true}]}}
{code}
*With Multiple Node Label:*
{code:java}
{"nodeLabelsInfo":{"nodeLabelInfo":[{"name":"x","exclusivity":true},{"name":"y","exclusivity":true}]}}
{code}
*Add Node Label:*
{code:java}
curl -H 'Content-Type: application/json' -H 'Accept: application/json' -X
POST --data
'{"nodeLabelsInfo":{"nodeLabelInfo":[{"name":"x","exclusivity":true}]}}'
'http://yarndocker-1:8088/ws/v1/cluster/add-node-labels?user.name=yarn'
{code}
> RMWebServices get-node-labels json response is missing root element
> -------------------------------------------------------------------
>
> Key: YARN-9933
> URL: https://issues.apache.org/jira/browse/YARN-9933
> Project: Hadoop YARN
> Issue Type: Bug
> Components: webapp
> Reporter: Prabhu Joseph
> Assignee: Prabhu Joseph
> Priority: Major
> Labels: incompatibleChange
> Attachments: YARN-9933-001.patch
>
>
> RMWebServices get-node-labels json response is missing root element. It does
> not have root element *nodeLabelsInfo*
> *With no Node Label:*
> {code:java}
> {}
> {code}
>
> *With One Node Label:*
> {code:java}
> [yarn@yarndocker-1 centos]$ curl
> http://yarndocker-1:8088/ws/v1/cluster/get-node-labels
> {"nodeLabelInfo": {"name":"x","exclusivity":"true"} } {code}
>
> *With Multiple Node label:*
> {code:java}
> [yarn@yarndocker-1 centos]$ curl
> http://yarndocker-1:8088/ws/v1/cluster/get-node-labels
> {"nodeLabelInfo": [
> {"name":"x","exclusivity":"true"},
> {"name":"y","exclusivity":"true"}
> ]
> }
> {code}
>
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