[SPARK-46889] Validate `spark.master.ui.decommission.allow.mode` setting

• Type: Sub-task
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: 4.0.0
• Fix Version/s: 4.0.0
• Component/s: Spark Core
• Labels: pull-request-available
• Assignee: Dongjoon Hyun
• Reporter: Dongjoon Hyun
• Created: 28/Jan/24 06:12
• Updated: 29/Jan/24 00:00
• Resolved: 28/Jan/24 23:54

Issue Links

• links to: GitHub Pull Request #44916