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Apache Spark commented on SPARK-16372: -------------------------------------- User 'yinxusen' has created a pull request for this issue: https://github.com/apache/spark/pull/14051 > RowMatrix constructor should use retag for Java compatibility > ------------------------------------------------------------- > > Key: SPARK-16372 > URL: https://issues.apache.org/jira/browse/SPARK-16372 > Project: Spark > Issue Type: Bug > Components: MLlib > Reporter: Xusen Yin > Priority: Minor > > The following Java code because of type erasing: > {code} > JavaRDD<Vector> rows = jsc.parallelize(...); > RowMatrix mat = new RowMatrix(rows.rdd()); > QRDecomposition<RowMatrix, Matrix> result = mat.tallSkinnyQR(true); > {code} > We should use retag to restore the type to prevent the following exception: > {code} > java.lang.ClassCastException: [Ljava.lang.Object; cannot be cast to > [Lorg.apache.spark.mllib.linalg.Vector; > {code} -- 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