NoSuchMethodError usually appears because of a difference in the library versions.
Check the version of the libraries you downloaded, the version of spark, the version of Kafka. On 4 May 2016 at 16:18, Luca Ferrari <ferrari.l...@live.it> wrote: > Hi, > > I’m new on Apache Spark and I’m trying to run the Spark Streaming + Kafka > Integration Direct Approach example (JavaDirectKafkaWordCount.java). > > I’ve downloaded all the libraries but when I try to run I get this error > > Exception in thread "main" java.lang.NoSuchMethodError: > scala.Predef$.ArrowAssoc(Ljava/lang/Object;)Ljava/lang/Object; > > at kafka.api.RequestKeys$.<init>(RequestKeys.scala:48) > > at kafka.api.RequestKeys$.<clinit>(RequestKeys.scala) > > at kafka.api.TopicMetadataRequest.<init>(TopicMetadataRequest.scala:55) > > at > org.apache.spark.streaming.kafka.KafkaCluster.getPartitionMetadata(KafkaCluster.scala:122) > > at > org.apache.spark.streaming.kafka.KafkaCluster.getPartitions(KafkaCluster.scala:112) > > at > org.apache.spark.streaming.kafka.KafkaUtils$.getFromOffsets(KafkaUtils.scala:211) > > at > org.apache.spark.streaming.kafka.KafkaUtils$.createDirectStream(KafkaUtils.scala:484) > > at > org.apache.spark.streaming.kafka.KafkaUtils$.createDirectStream(KafkaUtils.scala:607) > > at > org.apache.spark.streaming.kafka.KafkaUtils.createDirectStream(KafkaUtils.scala) > at it.unimi.di.luca.SimpleApp.main(SimpleApp.java:53) > > Any suggestions? > > Cheers > Luca > > -- Anas Rabei Senior Software Developer Mubasher.info anas.ra...@mubasher.info
