[RATIS-1888] Handle exception of readIndexAsync in gRPC readIndex impl

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.0
• Component/s: gRPC, Linearizable Read
• Assignee: Zili Chen
• Reporter: Zili Chen
• Created: 15/Sep/23 06:50
• Updated: 16/Sep/23 04:43
• Resolved: 15/Sep/23 16:56

Description

This is a follow-up to RATIS-1701 whose implementation fails to handle exception thrown by readIndexAsync https://github.com/apache/ratis/pull/738#discussion_r1326291952.

Issue Links

• links to: GitHub Pull Request #920