jerryshao commented on issue #24909: [SPARK-28106][SQL] When Spark SQL use "add jar" , before add to SparkContext, check jar path exist first. URL: https://github.com/apache/spark/pull/24909#issuecomment-507493512 >Why I add a new API is to keep previous call stacks(core behavior，start progress etc.....) are unaffected. It only check user's add jar behavior and function registered like "CREATE FUNCTION FUNC USING /PATH/TO/JAR". I think we've never said that we should keep spark core unaffected, what we want is to get the right/expected behavior. So what we're discussing is to figure out a right solution for the fix, not a way to bypass the spark core.
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