Auto-configuration is used to automatically configure the required configuration for the application. For example, if you have a data source bean present in the classpath of the application, then it automatically configures the JDBC template. With the help of auto-configuration, you can create a Java application in an easy way, as it automatically configures the required beans, controllers, etc.

To disable the auto-configuration property, you have to exclude attribute of @EnableAutoConfiguration, in the scenario where you do not want it to be applied.

1

@EnableAutoConfiguration(exclude={DataSourceAutoConfiguration.class})

If the class is not on the classpath, then to exclude the auto-configuration, you have to mention the following code:

1

@EnableAutoConfiguration(excludeName={Sample.class})

Apart from this, Spring Boot also provides the facility to exclude list of auto-configuration classes by using the spring.autoconfigure.exclude property. You can go forward, and add it either in the application.properties or add multiple classes with comma-separated