Jochem

This is apparently Spark default behaviour: if it cannot cast a value, it returns null.

@cosmicBboy I've tried exactly that: split the dataframe column by column in null and notnull, cast all values in the column, and then test if there are nulls in the...

I have solved this issue by changing the command of the flyway container from: ``` command: -url=jdbc:mysql://db -schemas=myschema -user=root -password=P@ssw0rd -connectRetries=60 migrate ``` to: ``` command: -url=jdbc:mysql://db?allowPublicKeyRetrieval=true -schemas=myschema -user=root -password=P@ssw0rd...