[KAFKA-14035] QuorumController handleRenounce throws NPE

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.2.0
• Fix Version/s: 3.3.0, 3.1.2, 3.2.1
• Flags: Important
• Assignee: Niket Goel
• Reporter: Niket Goel
• Reviewer: Jason Gustafson
• Created: 30/Jun/22 22:06
• Updated: 11/May/23 16:56
• Resolved: 01/Jul/22 04:09

Description

Sometimes when the controller is rolled you can encounter the following exception, after which the controller in-memory state seems to become inconsistent with the Metadata Log.

 

[Controller 1] handleRenounce[23]: failed with unknown server exception NullPointerException at epoch -1 in XXXX us. Reverting to last committed offset XXXX.

Issue Links

• relates to: KAFKA-14946 KRaft controller node shutting down while renouncing leadership
• links to: GitHub Pull Request #12371