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Sunil G commented on YARN-2504: ------------------------------- Hi [~gp.leftnoteasy] {code} AddToClusterNodeLabelsResponse response = recordFactory.newRecordInstance(AddToClusterNodeLabelsResponse.class); try { rmContext.getNodeLabelManager().addToCluserNodeLabels(request.getNodeLabels()); RMAuditLogger .logSuccess(user.getShortUserName(), argName, "AdminService"); return response; } {code} Here *response* object is created. Now labels which u received from incoming request is passed to LabelManager and it may undergo a validation there. If any problem of invalid label arises, how response object is populated. Here I was not able to get that part of code. > Support get/add/remove/change labels in RM admin CLI > ----------------------------------------------------- > > Key: YARN-2504 > URL: https://issues.apache.org/jira/browse/YARN-2504 > Project: Hadoop YARN > Issue Type: Sub-task > Components: resourcemanager > Reporter: Wangda Tan > Assignee: Wangda Tan > Attachments: YARN-2504-20141015-1.patch, YARN-2504.patch > > -- This message was sent by Atlassian JIRA (v6.3.4#6332)