Upgrade sonarqube to psql without data loss from h2 database

[felipebz (Felipe Zorzo)]

There’s no supported way to migrate the data from the h2 database.

Migrate H2 database for SonarQube version upgrade

Hey there. On every page, while using the embedded database, there is a big warning that it is not suitable for production use and not possible to migrate to a newer version. You will need to start from scratch.