[KAFKA-4728] KafkaConsumer#commitSync should clone its input

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.10.1.1
• Fix Version/s: 0.11.0.0
• Assignee: Unassigned
• Reporter: Jan Lukavský
• Created: 03/Feb/17 09:34
• Updated: 06/Feb/17 20:04
• Resolved: 06/Feb/17 19:49

Description

The `commitSync` method should clone input map to prevent live-lock in situation when user code uses synchronization on the map. Cloning the map prevents the consumer of the response to the `commitSync` request to block (this might be different thread than the original issuer of the request).

Issue Links

• links to: GitHub Pull Request #2491