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https://issues.apache.org/jira/browse/SPARK-5489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14297951#comment-14297951
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DeepakVohra commented on SPARK-5489:
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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)
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