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Posted to issues@spark.apache.org by "oaksharks (JIRA)" <ji...@apache.org> on 2016/09/28 10:13:20 UTC
[jira] [Created] (SPARK-17705) spark sql : scala.MatchError: () (of
class scala.runtime.BoxedUnit) at
org.apache.spark.sql.catalyst.CatalystTypeConverters$StringConverter$.toCatalystImpl(CatalystTypeConverters.scala:295)
oaksharks created SPARK-17705:
---------------------------------
Summary: spark sql : scala.MatchError: () (of class scala.runtime.BoxedUnit) at org.apache.spark.sql.catalyst.CatalystTypeConverters$StringConverter$.toCatalystImpl(CatalystTypeConverters.scala:295)
Key: SPARK-17705
URL: https://issues.apache.org/jira/browse/SPARK-17705
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 1.6.0
Environment: ubuntu12.4 + idea16 + jdk1.8 + spark1.6.0 + hive1.2.1 + hadoop2.5.1
Reporter: oaksharks
I create a spark-sql UDAF , when I use the function an exception occurs :
scala.MatchError: () (of class scala.runtime.BoxedUnit)
----
hear the detail infomation , the exception has nothing to do with my code .
16/09/28 17:47:05 ERROR Executor: Exception in task 22.0 in stage 1.0 (TID 23)
scala.MatchError: () (of class scala.runtime.BoxedUnit)
at org.apache.spark.sql.catalyst.CatalystTypeConverters$StringConverter$.toCatalystImpl(CatalystTypeConverters.scala:295)
at org.apache.spark.sql.catalyst.CatalystTypeConverters$StringConverter$.toCatalystImpl(CatalystTypeConverters.scala:294)
at org.apache.spark.sql.catalyst.CatalystTypeConverters$CatalystTypeConverter.toCatalyst(CatalystTypeConverters.scala:102)
at org.apache.spark.sql.catalyst.CatalystTypeConverters$$anonfun$createToCatalystConverter$2.apply(CatalystTypeConverters.scala:401)
at org.apache.spark.sql.execution.aggregate.ScalaUDAF.eval(udaf.scala:446)
at org.apache.spark.sql.execution.aggregate.AggregationIterator$$anonfun$35.apply(AggregationIterator.scala:376)
at org.apache.spark.sql.execution.aggregate.AggregationIterator$$anonfun$35.apply(AggregationIterator.scala:368)
at org.apache.spark.sql.execution.aggregate.SortBasedAggregationIterator.next(SortBasedAggregationIterator.scala:154)
at org.apache.spark.sql.execution.aggregate.SortBasedAggregationIterator.next(SortBasedAggregationIterator.scala:29)
at scala.collection.Iterator$$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.rdd.RDD$$anonfun$foreach$1$$anonfun$apply$32.apply(RDD.scala:912)
at org.apache.spark.rdd.RDD$$anonfun$foreach$1$$anonfun$apply$32.apply(RDD.scala:912)
at org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1858)
at org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1858)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:66)
at org.apache.spark.scheduler.Task.run(Task.scala:89)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:213)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
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