it happens because master is initializing applications, that requires user records to be inserted. Because DB operations are async, the logic of checking existence then insert fails because of concurrent attempts to insert the same record.
Solution: make app initialize one after another
Get around: start master multiple times until no error appears
it happens because master is initializing applications, that requires user records to be inserted. Because DB operations are async, the logic of checking existence then insert fails because of concurrent attempts to insert the same record.
Solution: make app initialize one after another
Get around: start master multiple times until no error appears