[RATIS-1835] NextIndex is updated to 0 when leader connecting a restarting follower

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.5.0
• Fix Version/s: 3.0.0, 2.5.1
• Component/s: gRPC, server
• Assignee: Song Ziyang
• Reporter: Song Ziyang
• Created: 17/Apr/23 15:47
• Updated: 23/Aug/23 20:05
• Resolved: 17/Apr/23 21:06

Description

NextIndex is updated to 0 when leader connecting a restarting follower. Leader should keep the nextIndex unchanged and retry.

Issue Links

• is duplicated by: RATIS-608 GrpcLogAppender sets next Index erroneously when follower is not accesible.
• links to: GitHub Pull Request #875