Shixiong Zhu created SPARK-20452:
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Summary: Cancel a batch Kafka query and rerun the same DataFrame
may cause ConcurrentModificationException
Key: SPARK-20452
URL: https://issues.apache.org/jira/browse/SPARK-20452
Project: Spark
Issue Type: Bug
Components: Structured Streaming
Affects Versions: 2.2.0
Reporter: Shixiong Zhu
Assignee: Shixiong Zhu
Cancel a batch Kafka query and rerun the same DataFrame may cause
ConcurrentModificationException because it may launch two tasks sharing the
same group id.
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