线程"main“中的异常:不是scala.reflect.api.Symbols$SymbolApi$class.asTerm(Symbols.scala:199) at scala.reflect.internal.Symbols:39) at org.apache.spark.sql.catalyst.ScalaReflection$class.getConstruc
Car) as NAME from cars").show
线程"main“org.apache.spark.sql.AnalysisException中的异常:未为UDAF‘com.scapk.udf.UpperCase;第一行pos 7在org.apache.spark.sql.catalyst.catalog.SessionCa