我正在尝试一个简单的程序来读取JSON文件并将其写入MongoDB Local实例,我已经安装了Mongo DB
在Spark中编写了此程序
import com.mongodb.spark.MongoSpark
import org.apache.spark.sql.{DataFrame, SparkSession}
object Main extends App {
val sparkSession = SparkSession.builder().appName("SparkMongo")
.master("local[*]")
.config("spark.mongodb.input.uri", "mongodb://localhost:27017/product.styles")
.config("spark.mongodb.output.uri", "mongodb://localhost:27017/product.styles")
.getOrCreate()
var data : DataFrame = sparkSession.read.option("multiline", "true").json("/home/sandeep/style.json")
MongoSpark.save(data)
}
但是当我使用Spark-Submit运行时,出现以下错误
Exception in thread "main" java.lang.NoSuchMethodError: scala.Predef$.refArrayOps([Ljava/lang/Object;)[Ljava/lang/Object;
at com.mongodb.spark.config.MongoCompanionConfig.getOptionsFromConf(MongoCompanionConfig.scala:233)
at com.mongodb.spark.config.MongoCompanionConfig.getOptionsFromConf$(MongoCompanionConfig.scala:232)
at com.mongodb.spark.config.WriteConfig$.getOptionsFromConf(WriteConfig.scala:37)
at com.mongodb.spark.config.MongoCompanionConfig.apply(MongoCompanionConfig.scala:113)
at com.mongodb.spark.config.MongoCompanionConfig.apply$(MongoCompanionConfig.scala:112)
at com.mongodb.spark.config.WriteConfig$.apply(WriteConfig.scala:37)
at com.mongodb.spark.config.MongoCompanionConfig.apply(MongoCompanionConfig.scala:100)
at com.mongodb.spark.config.MongoCompanionConfig.apply$(MongoCompanionConfig.scala:100)
at com.mongodb.spark.config.WriteConfig$.apply(WriteConfig.scala:37)
at com.mongodb.spark.MongoSpark$.save(MongoSpark.scala:138)
at Main$.delayedEndpoint$Main$1(Main.scala:15)
at Main$delayedInit$body.apply(Main.scala:5)
at scala.Function0$class.apply$mcV$sp(Function0.scala:34)
at scala.runtime.AbstractFunction0.apply$mcV$sp(AbstractFunction0.scala:12)
at scala.App$$anonfun$main$1.apply(App.scala:76)
at scala.App$$anonfun$main$1.apply(App.scala:76)
at scala.collection.immutable.List.foreach(List.scala:392)
at scala.collection.generic.TraversableForwarder$class.foreach(TraversableForwarder.scala:35)
at scala.App$class.main(App.scala:76)
at Main$.main(Main.scala:5)
at Main.main(Main.scala)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.spark.deploy.JavaMainApplication.start(SparkApplication.scala:52)
at org.apache.spark.deploy.SparkSubmit.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:849)
at org.apache.spark.deploy.SparkSubmit.doRunMain$1(SparkSubmit.scala:167)
at org.apache.spark.deploy.SparkSubmit.submit(SparkSubmit.scala:195)
at org.apache.spark.deploy.SparkSubmit.doSubmit(SparkSubmit.scala:86)
at org.apache.spark.deploy.SparkSubmit$$anon$2.doSubmit(SparkSubmit.scala:924)
at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:933)
at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
不确定,我在哪里和哪里做错了
答案 0 :(得分:0)
您不需要为mongodb服务器指定端口吗?