There’s a bug when trying to use
JDBC_DRIVER = “com.mysql.cj.jdbc.Driver”
It states that “The server time zone value ‘PDT’ is unrecognized or represents more than one time zone. ” It could also be a timezone other than ‘PDT’.
Define your DB_URL with a query string defining serverTimezone as follows replacing your url if different from example below.
static final String DB_URL = “jdbc:mysql://localhost/?serverTimezone=” + TimeZone.getDefault().getID();