[YARN-4926] Change nodelabel rest API invalid reponse status to 400

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.8.0, 3.0.0-alpha1
• Target Version/s: 2.8.0
• Hadoop Flags: Reviewed
• Assignee: Bibin Chundatt
• Reporter: Bibin Chundatt
• Created: 06/Apr/16 02:31
• Updated: 30/Aug/16 01:03
• Resolved: 08/May/16 17:38

Description

For cases mentioned below need to change status from 404 to 400

1. Add level in using post request with invalid pattern
2. Try modification of exclusivity for label using add request again
3. Replace label of node with label that doesn’t exist in cluster