报错信息
Exception in thread "main" java.lang.UnsupportedOperationException: Schema for type Any is not supported
at org.apache.spark.sql.catalyst.ScalaReflection$$anonfun$schemaFor$1.apply(ScalaReflection.scala:809)
at org.apache.spark.sql.catalyst.ScalaReflection$$anonfun$schemaFor$1.apply(ScalaReflection.scala:740)
at scala.reflect.internal.tpe.TypeConstraints$UndoLog.undo(TypeConstraints.scala:56)
at org.apache.spark.sql.catalyst.ScalaReflection$class.cleanUpReflectionObjects(ScalaReflection.scala:926)
at org.apache.spark.sql.catalyst.ScalaReflection$.cleanUpReflectionObjects(ScalaReflection.scala:49)
at org.apache.spark.sql.catalyst.ScalaReflection$.schemaFor(ScalaReflection.scala:739)
at org.apache.spark.sql.catalyst.ScalaReflection$.schemaFor(ScalaReflection.scala:736)
at org.apache.spark.sql.UDFRegistration.register(UDFRegistration.scala:192)
at com.jn.Spark$.main(Spark.scala:66)
at com.jn.Spark.main(Spark.scala)
报错是不支持类型any的架构，spark udf自定义函数报这个错是因为返回值类型不一致，改成一样的返回类型就可以了，但我这里犯的错误是写的if与else if 没有else，当两个判断条件都不满足时就会报不支持的类型
