SonarQube Upgrade from 7.7 LTS to 8.0

[acalero (Antonio Calero)]

MySQL is no longer supported in 7.9.1 so you will have to migrate it first to a supported database (PostgreSQL is recommended):

End of Life of MySQL Support

Hi all, Starting with SonarQube v7.9 we will no longer support MySQL with any edition of SonarQube. A few months ago, starting with the SonarQube 6.7.x LTS, we took two steps to ensure customer success. First, we stopped MySQL support for DCE deployments. Additionally, we began recommending PostgreSQL (Postgres) for all commercial environments, especially deployments with large instances or ones that could become large over time. These actions have resulted in a significant reduction in the num…

Here you have the tool to migrate database:

GitHub - SonarSource/mysql-migrator: Command line tool to migrate MySQL...

You won’t loose any of the projects or data from your previous versions.