Flyway repeatable migrations runs randomly

Question

I use Flyway-core 5.1.4 version in my Java Spring boot project. I know if I change something in R_ migraion I will get new record in flyway_schema_history table with new checksum. But I got random apply of repeatable migrations in the end of my flyway_schema_history table without any changes in R- migration, even without additing any V_ migrations and without re compiling or redeploying of my project.
How is it possible ? And it seems to me that I got old version of my R- migration, something like overriding.

Answer 1

Do you see the checksum of the repeatable migration change each time it is run? You should do, as that's the trigger for it to be re-run; and if that is happening then it suggests something is changing the file, perhaps only whitespace but that is enough.