Hi all, I encounter this error when execute the query
sqlContext.sql("select percentile(age, array(0, 0.5, 1)) from people").collect()
java.lang.ClassCastException: scala.collection.mutable.ArrayBuffer
cannot be cast to [Ljava.lang.Object;
at
org.apache.hadoop.hive.serde2.objectinspector.StandardListObjectInspector.getListLength(StandardListObjectInspector.java:83)
at
org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorConverters$ListConverter.convert(ObjectInspectorConverters.java:259)
at
org.apache.hadoop.hive.ql.udf.generic.GenericUDFUtils$ConversionHelper.convertIfNecessary(GenericUDFUtils.java:349)
at
org.apache.hadoop.hive.ql.udf.generic.GenericUDAFBridge$GenericUDAFBridgeEvaluator.iterate(GenericUDAFBridge.java:170)
at org.apache.spark.sql.hive.HiveUdafFunction.update(hiveUdfs.scala:342)
at
org.apache.spark.sql.execution.Aggregate$$anonfun$execute$1$$anonfun$6.apply(Aggregate.scala:135)
at
org.apache.spark.sql.execution.Aggregate$$anonfun$execute$1$$anonfun$6.apply(Aggregate.scala:128)
at org.apache.spark.rdd.RDD$$anonfun$13.apply(RDD.scala:599)
at org.apache.spark.rdd.RDD$$anonfun$13.apply(RDD.scala:599)
at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
at org.apache.spark.rdd.MappedRDD.compute(MappedRDD.scala:31)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
Thanks,
Kevin Paul
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