Uploaded image for project: 'CarbonData'
  1. CarbonData
  2. CARBONDATA-4215

When carbon.enable.vector.reader=false and upon adding a parquet segment through alter add segments in a carbon table , we are getting error in count(*)

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Details

    • Bug
    • Status: Resolved
    • Minor
    • Resolution: Fixed
    • 2.1.1
    • 2.3.0
    • None
    • None
    • 3 node FI

    Description

      When carbon.enable.vector.reader=false and upon adding a parquet segment through alter add segments in a carbon table , we are getting error in count.

       

      Test queries:

      --set carbon.enable.vector.reader=false in carbon.properties;
      use default;
      drop table if exists uniqdata;
      CREATE TABLE uniqdata (cust_id int,cust_name String,active_emui_version string, dob timestamp, doj timestamp, bigint_column1 bigint,bigint_column2 bigint,decimal_column1 decimal(30,10), decimal_column2 decimal(36,36),double_column1 double, double_column2 double,integer_column1 int) stored as carbondata;
      load data inpath 'hdfs://hacluster/user/prasanna/2000_UniqData.csv' into table uniqdata options('fileheader'='cust_id,cust_name,active_emui_version,dob,doj,bigint_column1,bigint_column2,decimal_column1,decimal_column2,double_column1,double_column2,integer_column1','bad_records_action'='force');

      drop table if exists uniqdata_parquet;
      CREATE TABLE uniqdata_parquet (cust_id int,cust_name String,active_emui_version string, dob timestamp, doj timestamp, bigint_column1 bigint,bigint_column2 bigint,decimal_column1 decimal(30,10), decimal_column2 decimal(36,36),double_column1 double, double_column2 double,integer_column1 int) stored as parquet;
      insert into uniqdata_parquet select * from uniqdata;
      create database if not exists test;
      use test;

      CREATE TABLE uniqdata (cust_id int,cust_name String,active_emui_version string, dob timestamp, doj timestamp, bigint_column1 bigint,bigint_column2 bigint,decimal_column1 decimal(30,10), decimal_column2 decimal(36,36),double_column1 double, double_column2 double,integer_column1 int) stored as carbondata;
      load data inpath 'hdfs://hacluster/user/prasanna/2000_UniqData.csv' into table uniqdata options('fileheader'='cust_id,cust_name,active_emui_version,dob,doj,bigint_column1,bigint_column2,decimal_column1,decimal_column2,double_column1,double_column2,integer_column1','bad_records_action'='force');

      Alter table uniqdata add segment options ('path'='hdfs://hacluster/user/hive/warehouse/uniqdata_parquet','format'='parquet');
      select count from uniqdata; – throwing error class cast exception;

       

      Error Log traces:

      java.lang.ClassCastException: org.apache.spark.sql.vectorized.ColumnarBatch cannot be cast to org.apache.spark.sql.catalyst.InternalRow
      at org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage1.agg_doAggregateWithoutKey_0$(Unknown Source)
      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$$anonfun$13$$anon$1.hasNext(WholeStageCodegenExec.scala:584)
      at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:409)
      at org.apache.spark.shuffle.sort.BypassMergeSortShuffleWriter.write(BypassMergeSortShuffleWriter.java:132)
      at org.apache.spark.shuffle.ShuffleWriteProcessor.write(ShuffleWriteProcessor.scala:58)
      at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:102)
      at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:55)
      at org.apache.spark.scheduler.Task.run(Task.scala:123)
      at org.apache.spark.executor.Executor$TaskRunner$$anonfun$10.apply(Executor.scala:413)
      at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1551)
      at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:419)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
      at java.lang.Thread.run(Thread.java:748)
      2021-06-19 13:50:59,035 | WARN | task-result-getter-2 | Lost task 0.0 in stage 4.0 (TID 28, localhost, executor driver): java.lang.ClassCastException: org.apache.spark.sql.vectorized.ColumnarBatch cannot be cast to org.apache.spark.sql.catalyst.InternalRow
      at org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage1.agg_doAggregateWithoutKey_0$(Unknown Source)
      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$$anonfun$13$$anon$1.hasNext(WholeStageCodegenExec.scala:584)
      at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:409)
      at org.apache.spark.shuffle.sort.BypassMergeSortShuffleWriter.write(BypassMergeSortShuffleWriter.java:132)
      at org.apache.spark.shuffle.ShuffleWriteProcessor.write(ShuffleWriteProcessor.scala:58)
      at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:102)
      at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:55)
      at org.apache.spark.scheduler.Task.run(Task.scala:123)
      at org.apache.spark.executor.Executor$TaskRunner$$anonfun$10.apply(Executor.scala:413)
      at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1551)
      at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:419)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
      at java.lang.Thread.run(Thread.java:748)

      org.apache.spark.scheduler.TaskSetManager.logWarning(Logging.scala:66)
      2021-06-19 13:50:59,037       		ERROR task-result-getter-2 Task 0 in stage 4.0 failed 1 times; aborting job org.apache.spark.scheduler.TaskSetManager.logError(Logging.scala:70)
      2021-06-19 13:50:59,048       		ERROR main Failed in [select count(*) from uniqdata] org.apache.spark.sql.hive.thriftserver.SparkSQLDriver.logError(Logging.scala:91)
      org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 4.0 failed 1 times, most recent failure: Lost task 0.0 in stage 4.0 (TID 28, localhost, executor driver): java.lang.ClassCastException: org.apache.spark.sql.vectorized.ColumnarBatch cannot be cast to org.apache.spark.sql.catalyst.InternalRow
      at org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage1.agg_doAggregateWithoutKey_0$(Unknown Source)
      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$$anonfun$13$$anon$1.hasNext(WholeStageCodegenExec.scala:584)
      at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:409)
      at org.apache.spark.shuffle.sort.BypassMergeSortShuffleWriter.write(BypassMergeSortShuffleWriter.java:132)
      at org.apache.spark.shuffle.ShuffleWriteProcessor.write(ShuffleWriteProcessor.scala:58)
      at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:102)
      at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:55)
      at org.apache.spark.scheduler.Task.run(Task.scala:123)
      at org.apache.spark.executor.Executor$TaskRunner$$anonfun$10.apply(Executor.scala:413)
      at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1551)
      at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:419)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
      at java.lang.Thread.run(Thread.java:748)

      Driver stacktrace:
      at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:2027)
      at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1972)
      at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1971)
      at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
      at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48)
      at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1971)
      at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:987)
      at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:987)
      at scala.Option.foreach(Option.scala:257)
      at org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:987)
      at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.doOnReceive(DAGScheduler.scala:2207)
      at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:2156)
      at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:2145)
      at org.apache.spark.util.EventLoop$$anon$1.run(EventLoop.scala:49)
      at org.apache.spark.scheduler.DAGScheduler.runJob(DAGScheduler.scala:794)
      at org.apache.spark.SparkContext.runJob(SparkContext.scala:2234)
      at org.apache.spark.SparkContext.runJob(SparkContext.scala:2255)
      at org.apache.spark.SparkContext.runJob(SparkContext.scala:2274)
      at org.apache.spark.SparkContext.runJob(SparkContext.scala:2299)
      at org.apache.spark.rdd.RDD$$anonfun$collect$1.apply(RDD.scala:989)
      at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
      at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:112)
      at org.apache.spark.rdd.RDD.withScope(RDD.scala:384)
      at org.apache.spark.rdd.RDD.collect(RDD.scala:988)
      at org.apache.spark.sql.execution.SparkPlan.executeCollect(SparkPlan.scala:345)
      at org.apache.spark.sql.execution.SparkPlan.executeCollectPublic(SparkPlan.scala:372)
      at org.apache.spark.sql.execution.QueryExecution.hiveResultString(QueryExecution.scala:127)
      at org.apache.spark.sql.hive.thriftserver.SparkSQLDriver$$anonfun$run$1.apply(SparkSQLDriver.scala:66)
      at org.apache.spark.sql.hive.thriftserver.SparkSQLDriver$$anonfun$run$1.apply(SparkSQLDriver.scala:66)
      at org.apache.spark.sql.execution.SQLExecution$$anonfun$withNewExecutionId$1$$anonfun$apply$1.apply(SQLExecution.scala:95)
      at org.apache.spark.sql.execution.SQLExecution$.withSQLConfPropagated(SQLExecution.scala:144)
      at org.apache.spark.sql.execution.SQLExecution$$anonfun$withNewExecutionId$1.apply(SQLExecution.scala:86)
      at org.apache.spark.sql.SparkSession.withActive(SparkSession.scala:789)
      at org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:63)
      at org.apache.spark.sql.hive.thriftserver.SparkSQLDriver.run(SparkSQLDriver.scala:65)
      at org.apache.spark.sql.hive.thriftserver.SparkSQLCLIDriver.processCmd(SparkSQLCLIDriver.scala:383)
      at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:408)
      at org.apache.spark.sql.hive.thriftserver.SparkSQLCLIDriver$.main(SparkSQLCLIDriver.scala:277)
      at org.apache.spark.sql.hive.thriftserver.SparkSQLCLIDriver.main(SparkSQLCLIDriver.scala)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:498)
      at org.apache.spark.deploy.JavaMainApplication.start(SparkApplication.scala:52)
      at org.apache.spark.deploy.SparkSubmit.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:882)
      at org.apache.spark.deploy.SparkSubmit.doRunMain$1(SparkSubmit.scala:164)
      at org.apache.spark.deploy.SparkSubmit.submit(SparkSubmit.scala:187)
      at org.apache.spark.deploy.SparkSubmit.doSubmit(SparkSubmit.scala:89)
      at org.apache.spark.deploy.SparkSubmit$$anon$2.doSubmit(SparkSubmit.scala:957)
      at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:966)
      at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
      Caused by: java.lang.ClassCastException: org.apache.spark.sql.vectorized.ColumnarBatch cannot be cast to org.apache.spark.sql.catalyst.InternalRow
      at org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage1.agg_doAggregateWithoutKey_0$(Unknown Source)
      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$$anonfun$13$$anon$1.hasNext(WholeStageCodegenExec.scala:584)
      at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:409)
      at org.apache.spark.shuffle.sort.BypassMergeSortShuffleWriter.write(BypassMergeSortShuffleWriter.java:132)
      at org.apache.spark.shuffle.ShuffleWriteProcessor.write(ShuffleWriteProcessor.scala:58)
      at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:102)
      at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:55)
      at org.apache.spark.scheduler.Task.run(Task.scala:123)
      at org.apache.spark.executor.Executor$TaskRunner$$anonfun$10.apply(Executor.scala:413)
      at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1551)
      at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:419)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
      at java.lang.Thread.run(Thread.java:748)
      org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 4.0 failed 1 times, most recent failure: Lost task 0.0 in stage 4.0 (TID 28, localhost, executor driver): java.lang.ClassCastException: org.apache.spark.sql.vectorized.ColumnarBatch cannot be cast to org.apache.spark.sql.catalyst.InternalRow
      at org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage1.agg_doAggregateWithoutKey_0$(Unknown Source)
      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$$anonfun$13$$anon$1.hasNext(WholeStageCodegenExec.scala:584)
      at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:409)
      at org.apache.spark.shuffle.sort.BypassMergeSortShuffleWriter.write(BypassMergeSortShuffleWriter.java:132)
      at org.apache.spark.shuffle.ShuffleWriteProcessor.write(ShuffleWriteProcessor.scala:58)
      at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:102)
      at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:55)
      at org.apache.spark.scheduler.Task.run(Task.scala:123)
      at org.apache.spark.executor.Executor$TaskRunner$$anonfun$10.apply(Executor.scala:413)
      at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1551)
      at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:419)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
      at java.lang.Thread.run(Thread.java:748)

      Driver stacktrace:
      at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:2027)
      at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1972)
      at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1971)
      at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
      at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48)
      at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1971)
      at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:987)
      at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:987)
      at scala.Option.foreach(Option.scala:257)
      at org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:987)
      at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.doOnReceive(DAGScheduler.scala:2207)
      at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:2156)
      at org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:2145)
      at org.apache.spark.util.EventLoop$$anon$1.run(EventLoop.scala:49)
      at org.apache.spark.scheduler.DAGScheduler.runJob(DAGScheduler.scala:794)
      at org.apache.spark.SparkContext.runJob(SparkContext.scala:2234)
      at org.apache.spark.SparkContext.runJob(SparkContext.scala:2255)
      at org.apache.spark.SparkContext.runJob(SparkContext.scala:2274)
      at org.apache.spark.SparkContext.runJob(SparkContext.scala:2299)
      at org.apache.spark.rdd.RDD$$anonfun$collect$1.apply(RDD.scala:989)
      at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
      at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:112)
      at org.apache.spark.rdd.RDD.withScope(RDD.scala:384)
      at org.apache.spark.rdd.RDD.collect(RDD.scala:988)
      at org.apache.spark.sql.execution.SparkPlan.executeCollect(SparkPlan.scala:345)
      at org.apache.spark.sql.execution.SparkPlan.executeCollectPublic(SparkPlan.scala:372)
      at org.apache.spark.sql.execution.QueryExecution.hiveResultString(QueryExecution.scala:127)
      at org.apache.spark.sql.hive.thriftserver.SparkSQLDriver$$anonfun$run$1.apply(SparkSQLDriver.scala:66)
      at org.apache.spark.sql.hive.thriftserver.SparkSQLDriver$$anonfun$run$1.apply(SparkSQLDriver.scala:66)
      at org.apache.spark.sql.execution.SQLExecution$$anonfun$withNewExecutionId$1$$anonfun$apply$1.apply(SQLExecution.scala:95)
      at org.apache.spark.sql.execution.SQLExecution$.withSQLConfPropagated(SQLExecution.scala:144)
      at org.apache.spark.sql.execution.SQLExecution$$anonfun$withNewExecutionId$1.apply(SQLExecution.scala:86)
      at org.apache.spark.sql.SparkSession.withActive(SparkSession.scala:789)
      at org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:63)
      at org.apache.spark.sql.hive.thriftserver.SparkSQLDriver.run(SparkSQLDriver.scala:65)
      at org.apache.spark.sql.hive.thriftserver.SparkSQLCLIDriver.processCmd(SparkSQLCLIDriver.scala:383)
      at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:408)
      at org.apache.spark.sql.hive.thriftserver.SparkSQLCLIDriver$.main(SparkSQLCLIDriver.scala:277)
      at org.apache.spark.sql.hive.thriftserver.SparkSQLCLIDriver.main(SparkSQLCLIDriver.scala)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:498)
      at org.apache.spark.deploy.JavaMainApplication.start(SparkApplication.scala:52)
      at org.apache.spark.deploy.SparkSubmit.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:882)
      at org.apache.spark.deploy.SparkSubmit.doRunMain$1(SparkSubmit.scala:164)
      at org.apache.spark.deploy.SparkSubmit.submit(SparkSubmit.scala:187)
      at org.apache.spark.deploy.SparkSubmit.doSubmit(SparkSubmit.scala:89)
      at org.apache.spark.deploy.SparkSubmit$$anon$2.doSubmit(SparkSubmit.scala:957)
      at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:966)
      at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
      Caused by: java.lang.ClassCastException: org.apache.spark.sql.vectorized.ColumnarBatch cannot be cast to org.apache.spark.sql.catalyst.InternalRow
      at org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage1.agg_doAggregateWithoutKey_0$(Unknown Source)
      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$$anonfun$13$$anon$1.hasNext(WholeStageCodegenExec.scala:584)
      at scala.collection.Iterator$$anon$11.hasNext(Iterator.scala:409)
      at org.apache.spark.shuffle.sort.BypassMergeSortShuffleWriter.write(BypassMergeSortShuffleWriter.java:132)
      at org.apache.spark.shuffle.ShuffleWriteProcessor.write(ShuffleWriteProcessor.scala:58)
      at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:102)
      at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:55)
      at org.apache.spark.scheduler.Task.run(Task.scala:123)
      at org.apache.spark.executor.Executor$TaskRunner$$anonfun$10.apply(Executor.scala:413)
      at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1551)
      at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:419)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
      at java.lang.Thread.run(Thread.java:748)

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            Prasanna Ravichandran Prasanna Ravichandran
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