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DeepakVohra commented on SPARK-5489: ------------------------------------ Sean, Some dependency is making use of scala.runtime.IntRef.create, which was introduced in Scala 2.11. https://github.com/scala/scala/blob/v2.11.0/src/library/scala/runtime/IntRef.java Scala 2.10.4, which is included with Spark 1.2, does not include the scala.runtime.IntRef.create method. https://github.com/scala/scala/blob/v2.10.4/src/library/scala/runtime/IntRef.java thanks, Deepak > KMeans clustering java.lang.NoSuchMethodError: scala.runtime.IntRef.create > (I)Lscala/runtime/IntRef; > ----------------------------------------------------------------------------------------------------- > > Key: SPARK-5489 > URL: https://issues.apache.org/jira/browse/SPARK-5489 > Project: Spark > Issue Type: Bug > Components: MLlib > Affects Versions: 1.2.0 > Environment: Spark 1.2 > Maven > Reporter: DeepakVohra > > The KMeans clustering generates following error, which also seems to be due > version mismatch between Scala used for compiling Spark and Scala in Spark > 1.2 Maven dependency. > Exception in thread "main" java.lang.NoSuchMethodError: > scala.runtime.IntRef.create > (I)Lscala/runtime/IntRef; > at > org.apache.spark.mllib.clustering.KMeans.initKMeansParallel(KMeans.scala:282) > at > org.apache.spark.mllib.clustering.KMeans.runAlgorithm(KMeans.scala:155) > at > org.apache.spark.mllib.clustering.KMeans.run(KMeans.scala:132) > at > org.apache.spark.mllib.clustering.KMeans$.train(KMeans.scala:352) > at > org.apache.spark.mllib.clustering.KMeans$.train(KMeans.scala:362) > at > org.apache.spark.mllib.clustering.KMeans.train(KMeans.scala) > at > clusterer.kmeans.KMeansClusterer.main(KMeansClusterer.java:35) -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org