我使用joda.time.Datetime庫轉換字符串日期時間字段,但它拋出異常不受支持這裏 字符串轉換爲DateTime是主類代碼:UnsupportedOperationException異常錯誤使用約達時間
//create new var with input data without header
var inputDataWithoutHeader: RDD[String] = dropHeader(inputFile)
var inputDF1 = inputDataWithoutHeader.map(_.split(",")).map{p =>
val dateYMD: DateTime = DateTimeFormat.forPattern("yyyy-MM-dd HH:mm:ss").parseDateTime(p(8))
testData(dateYMD)}.toDF().show()
P(8)是與類TESTDATA和CSV數據定義的列數據類型日期時間columnn具有類似於2013年2月17日00:00:00
這裏值爲TESTDATA類別:
case class testData(StartDate: DateTime) { }
這裏是我的錯誤:
異常線程 「main」
java.lang.UnsupportedOperationException: Schema for type org.joda.time.DateTime is not supported
at org.apache.spark.sql.catalyst.ScalaReflection$class.schemaFor(ScalaReflection.scala:153)
at org.apache.spark.sql.catalyst.ScalaReflection$.schemaFor(ScalaReflection.scala:29)
at org.apache.spark.sql.catalyst.ScalaReflection$$anonfun$schemaFor$1.apply(ScalaReflection.scala:128)
at org.apache.spark.sql.catalyst.ScalaReflection$$anonfun$schemaFor$1.apply(ScalaReflection.scala:126)
at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
at scala.collection.immutable.List.foreach(List.scala:318)
at scala.collection.TraversableLike$class.map(TraversableLike.scala:244)
at scala.collection.AbstractTraversable.map(Traversable.scala:105)
at org.apache.spark.sql.catalyst.ScalaReflection$class.schemaFor(ScalaReflection.scala:126)
at org.apache.spark.sql.catalyst.ScalaReflection$.schemaFor(ScalaReflection.scala:29)
at org.apache.spark.sql.catalyst.ScalaReflection$class.schemaFor(ScalaReflection.scala:64)
at org.apache.spark.sql.catalyst.ScalaReflection$.schemaFor(ScalaReflection.scala:29)
at org.apache.spark.sql.SQLContext.createDataFrame(SQLContext.scala:361)
at org.apache.spark.sql.SQLImplicits.rddToDataFrameHolder(SQLImplicits.scala:47)
at com.projs.poc.spark.ml.ProcessCSV$delayedInit$body.apply(ProcessCSV.scala:37)
我想使用喬達時間,想知道我在去錯了字符串轉換爲日期時間 – rk1113
'org.joda.time.DateTime'!''java.sql.Timestamp' – zero323
但我在哪裏使用java.sql.Timestamp作爲我的主類和TestData Class I m使用joda。 time.DateTime? – rk1113