从Elasticsearch读取时，由于其中一个嵌套JSON字段上的NumberFormatException，我的数据帧失败。 我没有提供任何架构，因为它应该从Elastic自动推断。
package org.arc
import org.apache.spark._
import org.apache.spark.SparkContext._
import org.apache.log4j._
import scala.io.Source
import java.nio.charset.CodingErrorAction
import scala.io.Codec
import org.apache.spark.storage.StorageLevel
import org.apache.spark._
import org.apache.spark.sql.SparkSession
import org.apache.spark.util.Utils
import org.apache.spark.sql.Dataset
import org.apache.spark.sql.expressions
import org.apache.spark.sql.functions.{ concat, lit }
import org.apache.spark.sql.functions._
import org.apache.spark.sql.types._
import org.apache.spark.sql.Row
import org.apache.spark.sql.functions.udf
import org.apache.spark.sql.types._
import org.apache.spark.sql.expressions.Window
import org.apache.spark.sql.types.{ StructType, StructField, StringType };
import org.apache.spark.serializer.KryoSerializer
object SparkOnES {
def main(args: Array[String]) {
val spark = SparkSession
.builder()
.appName("SparkESTest")
.config("spark.master", "local[*]")
.config("spark.sql.warehouse.dir", "C://SparkScala//SparkLocal//spark-warehouse")
.enableHiveSupport()
.getOrCreate()
//1.Read Sample JSON
import spark.implicits._
//val myjson = spark.read.json("C:\\Users\\jasjyotsinghj599\\Desktop\\SampleTest.json")
// myjson.show(false)
//2.Read Data from ES
val esdf = spark.read.format("org.elasticsearch.spark.sql")
.option("es.nodes", "XXXXXX")
.option("es.port", "80")
.option("es.query", "?q=*")
.option("es.nodes.wan.only", "true")
.option("pushdown", "true")
.option("spark.serializer", "org.apache.spark.serializer.KryoSerializer")
.load("batch_index/ticket")
esdf.createOrReplaceTempView("esdf")
spark.sql("Select * from esdf limit 1").show(false)
val esdf_fltr_lt = esdf.take(1)
}
}
ErrorStack说它无法解析输入字段。看看异常，这个问题似乎是由于期望的数据类型（int，float，double）和接收（字符串）不匹配引起的：
Caused by: java.lang.NumberFormatException: For input string: "161.60"
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.lang.Long.parseLong(Long.java:589)
at java.lang.Long.parseLong(Long.java:631)
at scala.collection.immutable.StringLike$class.toLong(StringLike.scala:277)
at scala.collection.immutable.StringOps.toLong(StringOps.scala:29)
at org.elasticsearch.spark.serialization.ScalaValueReader.parseLong(ScalaValueReader.scala:142)
at org.elasticsearch.spark.serialization.ScalaValueReader$$anonfun$longValue$1.apply(ScalaValueReader.scala:141)
at org.elasticsearch.spark.serialization.ScalaValueReader$$anonfun$longValue$1.apply(ScalaValueReader.scala:141)
at org.elasticsearch.spark.serialization.ScalaValueReader.checkNull(ScalaValueReader.scala:120)
at org.elasticsearch.spark.serialization.ScalaValueReader.longValue(ScalaValueReader.scala:141)
at org.elasticsearch.spark.serialization.ScalaValueReader.readValue(ScalaValueReader.scala:89)
at org.elasticsearch.spark.sql.ScalaRowValueReader.readValue(ScalaEsRowValueReader.scala:46)
at org.elasticsearch.hadoop.serialization.ScrollReader.parseValue(ScrollReader.java:770)
at org.elasticsearch.hadoop.serialization.ScrollReader.read(ScrollReader.java:720)
... 25 more
18/04/25 23:33:53 WARN TaskSetManager: Lost task 3.0 in stage 1.0 (TID 4, localhost): org.elasticsearch.hadoop.rest.EsHadoopParsingException: Cannot parse value [161.60] for field [tvl_tkt_tot_chrg_amt]
at org.elasticsearch.hadoop.serialization.ScrollReader.read(ScrollReader.java:723)
at org.elasticsearch.hadoop.serialization.ScrollReader.map(ScrollReader.java:867)
at org.elasticsearch.hadoop.serialization.ScrollReader.read(ScrollReader.java:710)
at org.elasticsearch.hadoop.serialization.ScrollReader.readHitAsMap(ScrollReader.java:476)
at org.elasticsearch.hadoop.serialization.ScrollReader.readHit(ScrollReader.java:401)
at org.elasticsearch.hadoop.serialization.ScrollReader.read(ScrollReader.java:296)
at org.elasticsearch.hadoop.serialization.ScrollReader.read(ScrollReader.java:269)
at org.elasticsearch.hadoop.rest.RestRepository.scroll(RestRepository.java:393)
at org.elasticsearch.hadoop.rest.ScrollQuery.hasNext(ScrollQuery.java:92)
at org.elasticsearch.spark.rdd.AbstractEsRDDIterator.hasNext(AbstractEsRDDIterator.scala:61)
at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:409)
at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:409)
at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:409)
at org.apache.spark.sql.execution.SparkPlan$$anonfun$4.apply(SparkPlan.scala:246)
at org.apache.spark.sql.execution.SparkPlan$$anonfun$4.apply(SparkPlan.scala:240)
at org.apache.spark.rdd.RDD$$anonfun$mapPartitionsInternal$1$$anonfun$apply$24.apply(RDD.scala:784)
at org.apache.spark.rdd.RDD$$anonfun$mapPartitionsInternal$1$$anonfun$apply$24.apply(RDD.scala:784)
at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:283)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:70)
at org.apache.spark.scheduler.Task.run(Task.scala:85)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:274)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NumberFormatException: For input string: "161.60"
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.lang.Long.parseLong(Long.java:589)
at java.lang.Long.parseLong(Long.java:631)
at scala.collection.immutable.StringLike$class.toLong(StringLike.scala:277)
at scala.collection.immutable.StringOps.toLong(StringOps.scala:29)
at org.elasticsearch.spark.serialization.ScalaValueReader.parseLong(ScalaValueReader.scala:142)
at org.elasticsearch.spark.serialization.ScalaValueReader$$anonfun$longValue$1.apply(ScalaValueReader.scala:141)
at org.elasticsearch.spark.serialization.ScalaValueReader$$anonfun$longValue$1.apply(ScalaValueReader.scala:141)
at org.elasticsearch.spark.serialization.ScalaValueReader.checkNull(ScalaValueReader.scala:120)
at org.elasticsearch.spark.serialization.ScalaValueReader.longValue(ScalaValueReader.scala:141)
at org.elasticsearch.spark.serialization.ScalaValueReader.readValue(ScalaValueReader.scala:89)
at org.elasticsearch.spark.sql.ScalaRowValueReader.readValue(ScalaEsRowValueReader.scala:46)
at org.elasticsearch.hadoop.serialization.ScrollReader.parseValue(ScrollReader.java:770)
at org.elasticsearch.hadoop.serialization.ScrollReader.read(ScrollReader.java:720)
... 25 more
18/04/25 23:33:53 INFO SparkContext: Invoking stop() from shutdown hook
18/04/25 23:33:53 INFO SparkUI: Stopped Spark web UI at http://10.1.2.244:4040
18/04/25 23:33:53 INFO MapOutputTrackerMasterEndpoint: MapOutputTrackerMasterEndpoint stopped!
18/04/25 23:33:53 INFO MemoryStore: MemoryStore cleared
18/04/25 23:33:53 INFO BlockManager: BlockManager stopped
18/04/25 23:33:53 INFO BlockManagerMaster: BlockManagerMaster stopped
18/04/25 23:33:53 INFO OutputCommitCoordinator$OutputCommitCoordinatorEndpoint: OutputCommitCoordinator stopped!
18/04/25 23:33:53 INFO SparkContext: Successfully stopped SparkContext
18/04/25 23:33:53 INFO ShutdownHookManager: Shutdown hook called
18/04/25 23:33:53 INFO ShutdownHookManager: Deleting directory