no suitable driver found for jdbc code example

Example 1: failed to determine a suitable driver class

@SpringBootApplication(exclude={DataSourceAutoConfiguration.class})

Example 2: failed to determine a suitable driver class

spring.autoconfigure.exclude=org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration

Example 3: no suitable driver found for jdbc:mysql

Connection con = null;
try {
    //registering the jdbc driver here, your string to use 
    //here depends on what driver you are using.
    Class.forName("something.jdbc.driver.YourFubarDriver");   
    con = DriverManager.getConnection("jdbc:apache:commons:dbcp:test");
} catch (SQLException e) {
    throw new RuntimeException(e);
}