To add a little detail here, I have a column selection in my source query from Oracle like  to_char(FROM_TZ(ma.ACTIVITY_TS, DECODE(TRIM(ma.ACTIVITY_TZ), 'Z', '00:00', ma.ACTIVITY_TZ)), 'YYYY-MM-DD HH24:MI:SS.FF6tzh:tzm') AS ACTIVITY_TSTZ_CHAR   If I leave the `T` out of the ISO 8601 format (I have a space above), it comes through as a string into my parquet, however if I change this column to (notice the "T" in the date/time format): to_char(FROM_TZ(ma.ACTIVITY_TS, DECODE(TRIM(ma.ACTIVITY_TZ), 'Z', '00:00', ma.ACTIVITY_TZ)), 'YYYY-MM-DD"T"HH24:MI:SS.FF6tzh:tzm') AS ACTIVITY_TSTZ_CHAR,   then even with  --map-column-java ACTIVITY_TSTZ_CHAR=String in my sqoop command, I get a timestamp error:    Error: java.io.IOException: SQLException in nextKeyValue at org.apache.sqoop.mapreduce.db.DBRecordReader.nextKeyValue(DBRecordReader.java:277) at org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.nextKeyValue(MapTask.java:565) at org.apache.hadoop.mapreduce.task.MapContextImpl.nextKeyValue(MapContextImpl.java:80) at org.apache.hadoop.mapreduce.lib.map.WrappedMapper$Context.nextKeyValue(WrappedMapper.java:91) at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:145) at org.apache.sqoop.mapreduce.AutoProgressMapper.run(AutoProgressMapper.java:64) at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:796) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:342) 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:1844) at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:169) Caused by: java.sql.SQLDataException: ORA-01821: date format not recognized`      ... View more