[SPARK-20452] Cancel a batch Kafka query and rerun the same DataFrame may cause ConcurrentModificationException

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.2.0
• Fix Version/s: 2.2.0
• Component/s: Structured Streaming
• Assignee: Shixiong Zhu
• Reporter: Shixiong Zhu
• Created: 24/Apr/17 22:41
• Updated: 27/Apr/17 20:59
• Resolved: 27/Apr/17 20:59

Description

Cancel a batch Kafka query and rerun the same DataFrame may cause ConcurrentModificationException because it may launch two tasks sharing the same group id.

Issue Links

• links to: [Github] Pull Request #17752 (zsxwing)