[jira] [Created] (SPARK-22606) There may be two or more tasks in one executor will use the same kafka consumer at the same time, then it will throw an exception: "KafkaConsumer is not safe for multi-threaded access"

["eaton (JIRA)" <ji...@apache.org>]

eaton created SPARK-22606:
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             Summary: There may be two or more tasks in one executor will use the same kafka consumer at the same time, then it will throw an exception: "KafkaConsumer is not safe for multi-threaded access" 
                 Key: SPARK-22606
                 URL: https://issues.apache.org/jira/browse/SPARK-22606
             Project: Spark
          Issue Type: Bug
          Components: Structured Streaming
    Affects Versions: 2.2.0
            Reporter: eaton
            Priority: Minor


If the value of param 'spark.streaming.concurrentJobs' is more than one, and the value of param 'spark.executor.cores' is more than one, there may be two or more tasks in one executor will use the same kafka consumer at the same time, then it will throw an exception: "KafkaConsumer is not safe for multi-threaded access" 



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