Github user jackieMaKing commented on the pull request:
https://github.com/apache/spark/pull/9649#issuecomment-156973848
Oopsï¼When create List<StructField> using Arrays.asList, we get a
java.util.Arrays$ArrayList instead of java.util.ArrayList. The previous method
works fine on java.util.Arrays$ArrayList but gets exception on
java.util.ArrayList. This patch works fine with both.
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