- dev java.lang.AbstractMethodError almost always means that you have different libraries on the classpath than at compilation time. In this case I would check to make sure you have the correct version of Scala (and only have one version of scala) on the classpath.
On Tue, Dec 19, 2017 at 5:42 PM, satyajit vegesna < satyajit.apas...@gmail.com> wrote: > Hi All, > > Can anyone help me with below error, > > Exception in thread "main" java.lang.AbstractMethodError > at scala.collection.TraversableLike$class.filterNot(TraversableLike. > scala:278) > at org.apache.spark.sql.types.StructType.filterNot(StructType.scala:98) > at org.apache.spark.sql.DataFrameReader.json(DataFrameReader.scala:386) > at org.spark.jsonDF.StructStreamKafkaToDF$.getValueSchema( > StructStreamKafkaToDF.scala:22) > at org.spark.jsonDF.StructStreaming$.createRowDF(StructStreaming.scala:21) > at SparkEntry$.delayedEndpoint$SparkEntry$1(SparkEntry.scala:22) > at SparkEntry$delayedInit$body.apply(SparkEntry.scala:7) > at scala.Function0$class.apply$mcV$sp(Function0.scala:40) > 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$1.apply(App.scala:76) > at scala.collection.immutable.List.foreach(List.scala:381) > at scala.collection.generic.TraversableForwarder$class. > foreach(TraversableForwarder.scala:35) > at scala.App$class.main(App.scala:76) > at SparkEntry$.main(SparkEntry.scala:7) > at SparkEntry.main(SparkEntry.scala) > > This happening, when i try to pass Dataset[String] containing jsons to > spark.read.json(Records). > > Regards, > Satyajit. >
