Spring Framework Master Class - Java Spring the Modern Way - Step 14-Adding the Logging Framework Log4j

The video tutorial covers the role of the dispatcher servlet in Spring MVC, explaining how it handles requests and responses. It then guides on integrating Log4J into the Spring Framework using Maven, detailing the steps to add dependencies and configure properties. The tutorial further explains the different logging levels in Log4J, such as error, info, debug, and trace, and how to set them up for effective logging.

What is the primary role of the dispatcher servlet in Spring MVC?

• To handle database connections

• To manage user sessions

• To identify the correct controller based on the URL

• To compile Java code

Why is Log4J added to a Spring project?

• To allow customizable logging levels for better debugging

• To increase application speed

• To improve database performance

• To enhance security

Which tool is used to add Log4J as a dependency in a Spring project?

• Jenkins

• Maven

• Ant

• Gradle

What is a recommended practice when choosing a version of a library like Log4J?

• Use a version that is a few releases behind the latest

• Always use the latest version

• Use the oldest available version

• Use a version that is not yet released

Where should the Log4J properties file be placed in a Maven project?

• src/main/resources

• src/test/java

• src/test/resources

• src/main/java

What happens when the logging level is set to 'trace' in Log4J?

• Only error messages are logged

• No messages are logged

• All levels of messages are logged

• Only warning messages are logged

Which logging level in Log4J will log the least amount of information?

• Debug

• Info

• Trace

• Error