Hive: impossible to insert data in a parquet's table with "union all" in the select query

Hello

We have a parquet's table.

We want to insert data in the table by a querie like this:

"insert into my_table select * from my_select_table_1 union all select * from my_select_table_2"

It's fail with the error:

2018-04-03 15:49:28,898 FATAL [IPC Server handler 2 on 38465] org.apache.hadoop.mapred.TaskAttemptListenerImpl: Task: attempt_1522749003448_0028_m_000000_0 - exited : java.io.IOException: java.lang.reflect.InvocationTargetException
at org.apache.hadoop.hive.io.HiveIOExceptionHandlerChain.handleRecordReaderCreationException(HiveIOExceptionHandlerChain.java:97)
at org.apache.hadoop.hive.io.HiveIOExceptionHandlerUtil.handleRecordReaderCreationException(HiveIOExceptionHandlerUtil.java:57)
at org.apache.hadoop.hive.shims.HadoopShimsSecure$CombineFileRecordReader.initNextRecordReader(HadoopShimsSecure.java:271)
at org.apache.hadoop.hive.shims.HadoopShimsSecure$CombineFileRecordReader.<init>(HadoopShimsSecure.java:217)
at org.apache.hadoop.hive.shims.HadoopShimsSecure$CombineFileInputFormatShim.getRecordReader(HadoopShimsSecure.java:345)
at org.apache.hadoop.hive.ql.io.CombineHiveInputFormat.getRecordReader(CombineHiveInputFormat.java:695)
at org.apache.hadoop.mapred.MapTask$TrackedRecordReader.<init>(MapTask.java:169)
at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:432)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:175)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1836)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:169)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.apache.hadoop.hive.shims.HadoopShimsSecure$CombineFileRecordReader.initNextRecordReader(HadoopShimsSecure.java:257)
... 11 more
Caused by: java.lang.NullPointerException
at java.util.AbstractCollection.addAll(AbstractCollection.java:343)
at org.apache.hadoop.hive.ql.io.parquet.ProjectionPusher.pushProjectionsAndFilters(ProjectionPusher.java:118)
at org.apache.hadoop.hive.ql.io.parquet.ProjectionPusher.pushProjectionsAndFilters(ProjectionPusher.java:189)
at org.apache.hadoop.hive.ql.io.parquet.ParquetRecordReaderBase.getSplit(ParquetRecordReaderBase.java:75)
at org.apache.hadoop.hive.ql.io.parquet.read.ParquetRecordReaderWrapper.<init>(ParquetRecordReaderWrapper.java:75)
at org.apache.hadoop.hive.ql.io.parquet.read.ParquetRecordReaderWrapper.<init>(ParquetRecordReaderWrapper.java:60)
at org.apache.hadoop.hive.ql.io.parquet.MapredParquetInputFormat.getRecordReader(MapredParquetInputFormat.java:75)
at org.apache.hadoop.hive.ql.io.CombineHiveRecordReader.<init>(CombineHiveRecordReader.java:99)
... 16 more

Scenario:

create table t1 (col1 string);
create table t2 (col1 string);
insert into t2 values ('2017');
insert into t1 values ('2017');

create table t3 (col1 string) STORED AS PARQUETFILE;
INSERT into t3 select col1 from t1 union all select col1 from t2;