Hi,
I am trying to run a sql query from TPC-H query samples using DataFrame, but
it throw this exception
java.lang.ClassCastException:
org.apache.spark.sql.catalyst.expressions.GenericInternalRow cannot be cast
to org.apache.spark.sql.catalyst.expressions.UnsafeRow
at
org.apache.spark.sql.execution.UnsafeRowSerializerInstance$$anon$2.writeValue(UnsafeRowSerializer.scala:61)
at
org.apache.spark.storage.DiskBlockObjectWriter.write(DiskBlockObjectWriter.scala:181)
at
org.apache.spark.shuffle.sort.BypassMergeSortShuffleWriter.insertAll(BypassMergeSortShuffleWriter.java:121)
at
org.apache.spark.shuffle.sort.SortShuffleWriter.write(SortShuffleWriter.scala:73)
at
org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:74)
at
org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:42)
at org.apache.spark.scheduler.Task.run(Task.scala:90)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:214)
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)
Can anyone help me, please?
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