Flyway Clean fails with ORA-32794 on Oracle 19c

Which version and edition of Flyway are you using?

We are using Flyway Community 7.7

Which client are you using? (Command-line, Java API, Maven plugin, Gradle plugin)

Command Line

Which database are you using? (Type & version)

Oracle 19c

Which operating system are you using?

Windows

What did you do? (Please include the content causing the issue, any relevant configuration settings, the SQL statement(s) that failed (if any), and the command you ran)

Im just calling flyway.cmd -url=jdbc:oracle:thin:@//dbhost:1521/sid -user=db_username -password=db_password clean

What did you expect to see?

Database: jdbc:oracle:thin:@//dbhost:1521/dbsid (Oracle 19.0)
Successfully dropped pre-schema database level objects (execution time 00:00.044s)
Successfully cleaned schema "db_username" (execution time 00:01.713s)
Successfully dropped post-schema database level objects (execution time 00:00.035s)

What did you see instead?

Database: jdbc:oracle:thin:@//dbhost:1521/dbsid (Oracle 19.0)
Successfully dropped pre-schema database level objects (execution time 00:00.044s)
ERROR:
Unable to clean schema "db_username"
------------------------------
SQL State  : 99999
Error Code : 32794
Message    : ORA-32794: Systemgenerierte Sequence kann nicht gelöscht werden

Caused by: java.sql.SQLException: ORA-32794: Systemgenerierte Sequence kann nicht gelöscht werden

Caused by: Error : 32794, Position : 22, Sql = DROP SEQUENCE "db_username"."ISEQ$$_76241", OriginalSql = DROP SEQUENCE "db_username"."ISEQ$$_76241", Error Msg = ORA-32794: Systemgenerierte Sequence kann nicht gelöscht werden

[Rixium]

Hey @Joerg-L ,

Thanks for verifying your workaround. We’ll consider adding purge to oracle cleaning in V8,

Thanks 😀

[DoodleBobBuffPants]

Closing until further interest as there is a valid workaround available