Another issue I see quite regularly is developers reference example MySQL JPA persistence.xml files that use the older com.mysql.jdbc.Driver. If a developer executes queries against a MySQL 8 database ...

It barfs them out straight to the console, so you'll need to redirect its output to a file for a normal backup—in the above example, to /home/jim/mysqlbackup.mysql. If you want to get a little ...

Edit the file /app/configuration.py with the connection string to your MySQL instance: mysql+pymysql://USERNAME:PASSWORD@IP_ADDRESS_OF_MYSQL_SERVER:3306/DATABASE_NAME ...

As developers migrate their old Java Persistence API applications to JPA 3, their progress is often halted when an incorrectly configured JPA 3 persistence.xml file blocks their Java applications from ...