report error
When Spring is integrated, use the c3p0 data pool to connect to the database, and it keeps reporting errors
Project Introduction
Use properties file to save database connection information
Use the c3p0 data pool to connect to the database during spring integration
The reason for the error is that when spring is integrated, the username variable in the porperties file will be replaced with the username of windows
Solution
Change the name of the username variable in properties to something else, such as user
