Github user zsxwing commented on the issue: https://github.com/apache/spark/pull/19687 > can you show me you maven dependency when you ran the program,thank you very much! maven dependency is used only when I compiled the codes. I used the official Spark 2.2.0 to compile the codes, and built Spark based on this PR (commit hash: f88fb50aec853f45dfc213cbeb9851a270ba3cbe) and ran my problem using it. Could you show how did you compile the codes, how did you build Spark, and how did you run the codes?
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