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https://issues.apache.org/jira/browse/SPARK-3033?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14106557#comment-14106557
]
pengyanhong edited comment on SPARK-3033 at 8/22/14 6:54 AM:
-------------------------------------------------------------
I changed the file {quote}
sql/hive/src/main/scala/org/apache/spark/sql/hive/hiveUdfs.scala
{quote}
changed the method "eval" in the class "HiveGenericUdf" as below:
{code}
while (i < children.length) {
val idx = i
deferedObjects(i).asInstanceOf[DeferredObjectAdapter].set(() => {
children(idx).eval(input)
})
if (deferedObjects(i).get().isInstanceOf[java.math.BigDecimal] == true) {
val decimal = deferedObjects(i).get().asInstanceOf[java.math.BigDecimal]
val data = new
org.apache.hadoop.hive.common.`type`.HiveDecimal(decimal).asInstanceOf[EvaluatedType]
deferedObjects(i).asInstanceOf[DeferredObjectAdapter].set(() => {
data.asInstanceOf[EvaluatedType]
})
}
i += 1
}
{code}
also, changed the method "wrap" in the trait "HiveInspectors", add line:{code}
case b: org.apache.hadoop.hive.common.`type`.HiveDecimal => b
{code}
So this issue has been fixed.
was (Author: pengyanhong):
I changed the file {quote}
sql/hive/src/main/scala/org/apache/spark/sql/hive/hiveUdfs.scala
{quote}
changed the method "eval" in the class "HiveGenericUdf" as below:
{quote}
while (i < children.length) {
val idx = i
deferedObjects(i).asInstanceOf[DeferredObjectAdapter].set(() => {
children(idx).eval(input)
})
if (deferedObjects(i).get().isInstanceOf[java.math.BigDecimal] == true) {
val decimal = deferedObjects(i).get().asInstanceOf[java.math.BigDecimal]
val data = new
org.apache.hadoop.hive.common.`type`.HiveDecimal(decimal).asInstanceOf[EvaluatedType]
deferedObjects(i).asInstanceOf[DeferredObjectAdapter].set(() => {
data.asInstanceOf[EvaluatedType]
})
}
i += 1
}
{quote}
also, changed the method "wrap" in the trait "HiveInspectors", add line:{quote}
case b: org.apache.hadoop.hive.common.`type`.HiveDecimal => b
{quote}
So this issue has been fixed.
> [Hive] java.math.BigDecimal cannot be cast to
> org.apache.hadoop.hive.common.type.HiveDecimal
> --------------------------------------------------------------------------------------------
>
> Key: SPARK-3033
> URL: https://issues.apache.org/jira/browse/SPARK-3033
> Project: Spark
> Issue Type: Bug
> Components: Spark Core, SQL
> Affects Versions: 1.0.2
> Reporter: pengyanhong
> Priority: Blocker
>
> run a complex HiveQL via yarn-cluster, got error as below:
> {quote}
> 14/08/14 15:05:24 WARN
> org.apache.spark.Logging$class.logWarning(Logging.scala:70): Loss was due to
> java.lang.ClassCastException
> java.lang.ClassCastException: java.math.BigDecimal cannot be cast to
> org.apache.hadoop.hive.common.type.HiveDecimal
> at
> org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaHiveDecimalObjectInspector.getPrimitiveJavaObject(JavaHiveDecimalObjectInspector.java:51)
> at
> org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorUtils.getHiveDecimal(PrimitiveObjectInspectorUtils.java:1022)
> at
> org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorConverter$HiveDecimalConverter.convert(PrimitiveObjectInspectorConverter.java:306)
> at
> org.apache.hadoop.hive.ql.udf.generic.GenericUDFUtils$ReturnObjectInspectorResolver.convertIfNecessary(GenericUDFUtils.java:179)
> at
> org.apache.hadoop.hive.ql.udf.generic.GenericUDFIf.evaluate(GenericUDFIf.java:82)
> at org.apache.spark.sql.hive.HiveGenericUdf.eval(hiveUdfs.scala:276)
> at
> org.apache.spark.sql.catalyst.expressions.Alias.eval(namedExpressions.scala:84)
> at
> org.apache.spark.sql.catalyst.expressions.MutableProjection.apply(Projection.scala:62)
> at
> org.apache.spark.sql.catalyst.expressions.MutableProjection.apply(Projection.scala:51)
> at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
> at scala.collection.Iterator$class.foreach(Iterator.scala:727)
> at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
> at
> org.apache.spark.sql.execution.BroadcastNestedLoopJoin$$anonfun$4.apply(joins.scala:309)
> at
> org.apache.spark.sql.execution.BroadcastNestedLoopJoin$$anonfun$4.apply(joins.scala:303)
> at org.apache.spark.rdd.RDD$$anonfun$13.apply(RDD.scala:571)
> at org.apache.spark.rdd.RDD$$anonfun$13.apply(RDD.scala:571)
> at
> org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:35)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> at org.apache.spark.rdd.MappedRDD.compute(MappedRDD.scala:31)
> at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
> at org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
> at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:111)
> at org.apache.spark.scheduler.Task.run(Task.scala:51)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:183)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> {quote}
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