Github user pityuszgege commented on the pull request: https://github.com/apache/zeppelin/commit/1ac0e2f0086b7da5b7149562f2db8647c3b711c9#commitcomment-30402272 In spark/interpreter/src/main/java/org/apache/zeppelin/spark/SparkSqlInterpreter.java: In spark/interpreter/src/main/java/org/apache/zeppelin/spark/SparkSqlInterpreter.java on line 146: Shouldn't this be "zeppelin.spark.concurrentSQL.max" instead? If I'm setting this property to true I'm getting an error like java.lang.NumberFormatException: For input string: "true" but I think you intended to use the new "zeppelin.spark.concurrentSQL.max" property.
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