case class JsonLong(
  var fdn: String=null,
  var `type`: String=null,
  var vid: String=null,
  var version: String=null,
  var device_id: String=null,
  var ip: String=null,
  var timestamp: Long=0L
)

class log(log_version: String,log_ip: String,log_from: String,SDK: String,action_time: Date,action: String,sn: String,post_code:JsonLong )

error: overloaded method value log with alternatives:
  (base: Double,columnName: String)org.apache.spark.sql.Column <and>
  (base: Double,a: org.apache.spark.sql.Column)org.apache.spark.sql.Column <and>
  (columnName: String)org.apache.spark.sql.Column <and>
  (e: org.apache.spark.sql.Column)org.apache.spark.sql.Column
 cannot be applied to (String, String, String, String, java.sql.Date, String, String, JsonLong)
       log(log_version,log_ip,log_from,SDK,new Date(action_time.getTime()),action,sn,post_code)}.toDF()