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From "Sean Owen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-5489) KMeans clustering java.lang.NoSuchMethodError: scala.runtime.IntRef.create (I)Lscala/runtime/IntRef;
Date Fri, 30 Jan 2015 16:45:35 GMT

    [ https://issues.apache.org/jira/browse/SPARK-5489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14298840#comment-14298840
] 

Sean Owen commented on SPARK-5489:
----------------------------------

No, the 2.10 artifact plainly has these classes. Download it ( https://repo1.maven.org/maven2/org/apache/spark/spark-mllib_2.10/1.2.0/spark-mllib_2.10-1.2.0.jar
) and grep for them. 

> 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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