I would expect that this command line starts with no database, but that doesn’t seem to be the case
AMPS starts the system with a set of test data installed, unless explicitly configured not to. Add --data-version=8.0.0-eap05 to ensure the system starts up using data from the same version of Bitbucket you’re testing with. It should start without issues, then, since that test data uses an MVstore database.
Best regards,
Bryan Turner
Atlassian Bitbucket