[IMPALA-5495] Improve error message if neither --is_coordinator nor --is_executor is set

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: Impala 2.9.0
• Fix Version/s: Impala 2.10.0
• Component/s: Backend
• Labels: bugbash-2017-05-31
• Epic Color: ghx-label-9
• Assignee: Henry Robinson
• Reporter: Henry Robinson
• Created: 13/Jun/17 05:22
• Updated: 14/Jun/17 06:12
• Resolved: 14/Jun/17 06:12

Description

If neither is_coordinator nor is_executor are set, you get this message Impala server needs to have a role (EXECUTOR, COORDINATOR) - which isn't actionable. We should mention the flags at least.