The playground will fail to start if MySQL or PostgreSQL is running locally. The error message says the port is in use, but it would be more friendly to say that it is likely that MySQL/PostgreSQL is running locally and needs to be shutdown before running the playground.
The playground will fail to start if MySQL or PostgreSQL is running locally. The error message says the port is in use, but it would be more friendly to say that it is likely that MySQL/PostgreSQL is running locally and needs to be shutdown before running the playground.