Caused by: java.lang.ClassNotFoundException: com.fasterxml.jackson.core.exc.InputCoercionException
backgroundscala 写spark， 执行df.printSchema() 可以执行df.show()时却报错Exception in thread "main" java.lang.NoClassDefFoundError: com/fasterxml/jackson/core/exc/InputCoercionException at com.fasterxml.jackson.module.scala.deser.NumberDeserializers$
