[RANGER-2177] Handle validations for duplicate configuration item during service create/edit

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: master
• Fix Version/s: 2.0.0, 1.2.0
• Component/s: admin
• Labels: patch
• Flags: Patch
• Assignee: Peng Xing
• Reporter: Peng Xing
• Created: 31/Jul/18 09:40
• Updated: 24/Sep/18 17:52
• Resolved: 07/Aug/18 01:50

Description

When the user adds two new configuration items with the same key on the service create/edit page, one of them will be overwritten.
We should remind users that they cannot add duplicate configuration items.

Issue Links

• links to: https://reviews.apache.org/r/68184/
• links to: https://reviews.apache.org/r/68288/