For me I had to remove the schema bit at the end of:
sonar.jdbc.url=jdbc:postgresql://localhost/sonarqube?currentSchema=my_schema
To:
sonar.jdbc.url=jdbc:postgresql://localhost/*DataBaseName*
For me I had to remove the schema bit at the end of:
sonar.jdbc.url=jdbc:postgresql://localhost/sonarqube?currentSchema=my_schema
To:
sonar.jdbc.url=jdbc:postgresql://localhost/*DataBaseName*