Hi,
I have one table with VARCHAR and CHAR datatypes. While reading data through
hive, I am getting below error :--
Diagnostic Messages for this Task:
Error: java.io.IOException: java.io.IOException: java.lang.RuntimeException:
java.lang.ClassCastException: org.apache.hadoop.hive.common.type.HiveVarchar
cannot be cast to java.lang.String
at
org.apache.hadoop.hive.io.HiveIOExceptionHandlerChain.handleRecordReaderNextException(HiveIOExceptionHandlerChain.java:121)
at
org.apache.hadoop.hive.io.HiveIOExceptionHandlerUtil.handleRecordReaderNextException(HiveIOExceptionHandlerUtil.java:77)
at
org.apache.hadoop.hive.shims.HadoopShimsSecure$CombineFileRecordReader.doNextWithExceptionHandler(HadoopShimsSecure.java:273)
at
org.apache.hadoop.hive.shims.HadoopShimsSecure$CombineFileRecordReader.next(HadoopShimsSecure.java:183)
at
org.apache.hadoop.mapred.MapTask$TrackedRecordReader.moveToNext(MapTask.java:199)
at
org.apache.hadoop.mapred.MapTask$TrackedRecordReader.next(MapTask.java:185)
at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:52)
at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:450)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:415)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Caused by: java.io.IOException: java.lang.RuntimeException:
java.lang.ClassCastException: org.apache.hadoop.hive.common.type.HiveVarchar
cannot be cast to java.lang.String
at
org.apache.hadoop.hive.io.HiveIOExceptionHandlerChain.handleRecordReaderNextException(HiveIOExceptionHandlerChain.java:121)
at
org.apache.hadoop.hive.io.HiveIOExceptionHandlerUtil.handleRecordReaderNextException(HiveIOExceptionHandlerUtil.java:77)
at
org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader.doNext(HiveContextAwareRecordReader.java:352)
at
org.apache.hadoop.hive.ql.io.CombineHiveRecordReader.doNext(CombineHiveRecordReader.java:101)
at
org.apache.hadoop.hive.ql.io.CombineHiveRecordReader.doNext(CombineHiveRecordReader.java:41)
at
org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader.next(HiveContextAwareRecordReader.java:115)
at
org.apache.hadoop.hive.shims.HadoopShimsSecure$CombineFileRecordReader.doNextWithExceptionHandler(HadoopShimsSecure.java:271)
... 11 more
Caused by: java.lang.RuntimeException: java.lang.ClassCastException:
org.apache.hadoop.hive.common.type.HiveVarchar cannot be cast to
java.lang.String
at
org.apache.hadoop.hive.ql.io.orc.VectorizedOrcInputFormat$VectorizedOrcRecordReader.next(VectorizedOrcInputFormat.java:95)
at
org.apache.hadoop.hive.ql.io.orc.VectorizedOrcInputFormat$VectorizedOrcRecordReader.next(VectorizedOrcInputFormat.java:49)
at
org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader.doNext(HiveContextAwareRecordReader.java:347)
... 15 more
Caused by: java.lang.ClassCastException:
org.apache.hadoop.hive.common.type.HiveVarchar cannot be cast to
java.lang.String
at
org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatchCtx.addPartitionColsToBatch(VectorizedRowBatchCtx.java:566)
at
org.apache.hadoop.hive.ql.io.orc.VectorizedOrcInputFormat$VectorizedOrcRecordReader.next(VectorizedOrcInputFormat.java:90)
... 17 more
FAILED: Execution Error, return code 2 from
org.apache.hadoop.hive.ql.exec.mr.MapRedTask
MapReduce Jobs Launched:
Stage-Stage-1: Map: 1 Reduce: 1 HDFS Read: 0 HDFS Write: 0 FAIL
Total MapReduce CPU Time Spent: 0 msec
hive>
Can anyone please help me on this.
With Regards
Devansh
