1ambda commented on issue #3295:
URL: https://github.com/apache/iceberg/issues/3295#issuecomment-988384976


   Tested in Spark 3.1.2 (Iceberg runtime 0.12.1), But still got same error. 
   
   ```
   Spark session available as 'spark'.
   Welcome to
         ____              __
        / __/__  ___ _____/ /__
       _\ \/ _ \/ _ `/ __/  '_/
      /___/ .__/\_,_/_/ /_/\_\   version 3.1.2
         /_/
   
   Using Scala version 2.12.10 (OpenJDK 64-Bit Server VM, Java 1.8.0_242)
   Type in expressions to have them evaluated.
   Type :help for more information.
   
   scala> spark.sql("SELECT * FROM hive_prod.test_db.test_table ...").show()
   res0: org.apache.spark.sql.DataFrame = [placeno: col_a, col_b: string ... 1 
more field]
   
   scala> spark.sql("SELECT * FROM hive_prod.test_db.test_table ...").show()
   21/12/08 09:42:22 ERROR Executor: Exception in task 0.0 in stage 0.0 (TID 
0)/ 1]
   java.lang.ClassCastException: [B cannot be cast to 
org.apache.spark.unsafe.types.UTF8String
           at 
org.apache.spark.sql.catalyst.expressions.BaseGenericInternalRow.getUTF8String(rows.scala:46)
           at 
org.apache.spark.sql.catalyst.expressions.BaseGenericInternalRow.getUTF8String$(rows.scala:46)
           at 
org.apache.spark.sql.catalyst.expressions.GenericInternalRow.getUTF8String(rows.scala:195)
           at 
org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage1.processNext(Unknown
 Source)
           at 
org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)
           at 
org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:755)
           at 
org.apache.spark.sql.execution.SparkPlan.$anonfun$getByteArrayRdd$1(SparkPlan.scala:345)
           at 
org.apache.spark.rdd.RDD.$anonfun$mapPartitionsInternal$2(RDD.scala:898)
           at 
org.apache.spark.rdd.RDD.$anonfun$mapPartitionsInternal$2$adapted(RDD.scala:898)
           at 
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)
           at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:373)
           at org.apache.spark.rdd.RDD.iterator(RDD.scala:337)
           at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)
           at org.apache.spark.scheduler.Task.run(Task.scala:131)
           at 
org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:497)
           at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1439)
           at 
org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:500)
           at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
           at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
           at java.lang.Thread.run(Thread.java:748)
   21/12/08 09:42:22 WARN TaskSetManager: Lost task 0.0 in stage 0.0 (TID 0) 
(hive-metastore-2-66d6c89cf-jxbcg executor driver): 
java.lang.ClassCastException: [B cannot be cast to 
org.apache.spark.unsafe.types.UTF8String
   
   ```


-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: [email protected]

For queries about this service, please contact Infrastructure at:
[email protected]



---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]

Reply via email to