By the end of this course, learners will be able to:

1. Understand the importance and purpose of logging in software development.
2. Learn the architecture and core components of the Apache Log4j framework.
3. Implement basic and advanced logging techniques in Java applications.
4. Configure Log4j properties and XML-based configurations for flexible logging.
5. Use different log levels (DEBUG, INFO, WARN, ERROR, FATAL) effectively.
6. Customize Appenders and Layouts to control output format and destination (console, file, database, etc.).
7. Explore Log4j2 enhancements like asynchronous logging, performance improvements, and plugins.
8. Handle logging in distributed applications and integrate with enterprise systems.
9. Apply best practices in logging for maintainable and secure Java applications.

Apache Log4j Course Syllabus

1. Introduction to Logging

• What is Logging
• Importance of Logging
• Logging Frameworks for JAVA

2. Introduction to Log4J

• What is Log4J?
• Why we need to use Log4J?
• Log4J Features
• Log4J Advantages

3. Log4J Setup for Java: Standalone and Web Applications

• Download Log4J
• log4J Jar file
• log4j properties

4. Log4J Development Approaches

• Programmatic
• Declarative

5. Log4J Programmatic Implementation

• Logger
• BasicConfiguror, PropertyConfigurator
• Setting Logging Level

6. Log4J Logging Levels

• Default Logging Level
• Available Logging Levels
  DEBUG, INFO, WARN, ERROR and FATAL

7. Log4J Declarative Implementation: log4j properties Configuration

• Set Debug Level
• Set Appender
• Set PatternLayout
• Set ConversionPattern

8. Log4J Appenders

• ConsoleAppender
• FileAppender
• AdminFileAppender
• ReportFileAppender
• Setting Single Appender
• Setting Multiple Appenders

9. Log4J Implementation with xml file

• log4j xml
• log4j:configuration
• Setting Appenders
• Setting Log Level
• Setting Conversion Pattern

10. Conversion Pattern Syntax

• TTCC
• TTCCLayout
• Time Elapsed
• Thread Information
• Logging Priority
• Logging Category
• NDC - Nested Diagnostic Context
• Application Message

Upon completing the Apache Log4j Essentials: Mastering Java Logging Frameworks course, learners will receive a Course Completion Certificate from Uplatz, demonstrating their expertise in implementing robust logging solutions using Log4j.

This certification enhances your technical portfolio and prepares you for Java development roles where proper logging is a critical skill, as well as supporting roles in DevOps, QA, and system monitoring.

Logging is a core skill for every backend developer and system maintainer. Mastering Apache Log4j can help you land roles such as:

1. Java Developer
2. Backend Software Engineer
3. QA Automation Engineer
4. DevOps Engineer
5. Site Reliability Engineer (SRE)
6. Application Support Specialist

Organizations across industries—from finance and telecom to retail and enterprise software—value developers who implement efficient, maintainable logging strategies.

1. What is Apache Log4j and why is it used?
Apache Log4j is a Java-based logging utility that helps developers log messages during the execution of applications. It supports flexible configuration and output destinations.

2. What are the main components of Log4j?
The core components include Loggers, Appenders, and Layouts. Loggers capture log messages, Appenders send them to destinations, and Layouts format the output.

3. What are the different logging levels in Log4j?
Log4j defines several levels: TRACE, DEBUG, INFO, WARN, ERROR, and FATAL, used to control what kind of messages get logged.

4. What’s the difference between Log4j 1.x and Log4j 2.x?Log4j 2 offers asynchronous logging, better performance, plugin support, and is built to address limitations and security issues in 1.x.

5. How do you configure Log4j?
You can configure Log4j using property files, XML, JSON, or YAML to define log levels, appenders, and layout settings.

6. What is an Appender in Log4j?
An Appender determines the output destination of the log messages, such as the console, a file, or a database.

7. What are Layouts in Log4j?
Layouts define the format of the logged messages (e.g., simple, pattern, or JSON format), helping structure logs for easier readability.

8. What is asynchronous logging and why is it useful?Asynchronous logging improves application performance by writing logs in a separate thread, preventing the logging system from slowing down application execution.

9. How does Log4j handle log rotation?
Log4j provides rolling file appenders that can rotate logs based on file size or time intervals, useful for managing log data.

10. Is Log4j secure?
Log4j 2 includes important security improvements over 1.x. It is essential to keep versions updated to avoid vulnerabilities like Log4Shell (CVE-2021-44228).

Q1. What are the payment options? A1. We have multiple payment options: 1) Book your course on our webiste by clicking on Buy this course button on top right of this course page 2) Pay via Invoice using any credit or debit card 3) Pay to our UK or India bank account 4) If your HR or employer is making the payment, then we can send them an invoice to pay. Q2. Will I get certificate? A2. Yes, you will receive course completion certificate from Uplatz confirming that you have completed this course with Uplatz. Once you complete your learning please submit this for to request for your certificate https://training.uplatz.com/certificate-request.php Q3. How long is the course access? A3. All our video courses comes with lifetime access. Once you purchase a video course with Uplatz you have lifetime access to the course i.e. forever. You can access your course any time via our website and/or mobile app and learn at your own convenience. Q4. Are the videos downloadable? A4. Video courses cannot be downloaded, but you have lifetime access to any video course you purchase on our website. You will be able to play the videos on our our website and mobile app. Q5. Do you take exam? Do I need to pass exam? How to book exam? A5. We do not take exam as part of the our training programs whether it is video course or live online class. These courses are professional courses and are offered to upskill and move on in the career ladder. However if there is an associated exam to the subject you are learning with us then you need to contact the relevant examination authority for booking your exam. Q6. Can I get study material with the course? A6. The study material might or might not be available for this course. Please note that though we strive to provide you the best materials but we cannot guarantee the exact study material that is mentioned anywhere within the lecture videos. Please submit study material request using the form https://training.uplatz.com/study-material-request.php Q7. What is your refund policy? A7. Please refer to our Refund policy mentioned on our website, here is the link to Uplatz refund policy https://training.uplatz.com/refund-and-cancellation-policy.php Q8. Do you provide any discounts? A8. We run promotions and discounts from time to time, we suggest you to register on our website so you can receive our emails related to promotions and offers. Q9. What are overview courses? A9. Overview courses are 1-2 hours short to help you decide if you want to go for the full course on that particular subject. Uplatz overview courses are either free or minimally charged such as GBP 1 / USD 2 / EUR 2 / INR 100 Q10. What are individual courses? A10. Individual courses are simply our video courses available on Uplatz website and app across more than 300 technologies. Each course varies in duration from 5 hours uptop 150 hours. Check all our courses here https://training.uplatz.com/online-it-courses.php?search=individual Q11. What are bundle courses? A11. Bundle courses offered by Uplatz are combo of 2 or more video courses. We have Bundle up the similar technologies together in Bundles so offer you better value in pricing and give you an enhaced learning experience. Check all Bundle courses here https://training.uplatz.com/online-it-courses.php?search=bundle Q12. What are Career Path programs? A12. Career Path programs are our comprehensive learning package of video course. These are combined in a way by keeping in mind the career you would like to aim after doing career path program. Career path programs ranges from 100 hours to 600 hours and covers wide variety of courses for you to become an expert on those technologies. Check all Career Path Programs here https://training.uplatz.com/online-it-courses.php?career_path_courses=done Q13. What are Learning Path programs? A13. Learning Path programs are dedicated courses designed by SAP professionals to start and enhance their career in an SAP domain. It covers from basic to advance level of all courses across each business function. These programs are available across SAP finance, SAP Logistics, SAP HR, SAP succcessfactors, SAP Technical, SAP Sales, SAP S/4HANA and many more Check all Learning path here https://training.uplatz.com/online-it-courses.php?learning_path_courses=done Q14. What are Premium Career tracks? A14. Premium Career tracks are programs consisting of video courses that lead to skills required by C-suite executives such as CEO, CTO, CFO, and so on. These programs will help you gain knowledge and acumen to become a senior management executive. Q15. How unlimited subscription works? A15. Uplatz offers 2 types of unlimited subscription, Monthly and Yearly. Our monthly subscription give you unlimited access to our more than 300 video courses with 6000 hours of learning content. The plan renews each month. Minimum committment is for 1 year, you can cancel anytime after 1 year of enrolment. Our yearly subscription gives you unlimited access to our more than 300 video courses with 6000 hours of learning content. The plan renews every year. Minimum committment is for 1 year, you can cancel the plan anytime after 1 year. Check our monthly and yearly subscription here https://training.uplatz.com/online-it-courses.php?search=subscription Q16. Do you provide software access with video course? A16. Software access can be purchased seperately at an additional cost. The cost varies from course to course but is generally in between GBP 20 to GBP 40 per month. Q17. Does your course guarantee a job? A17. Our course is designed to provide you with a solid foundation in the subject and equip you with valuable skills. While the course is a significant step toward your career goals, its important to note that the job market can vary, and some positions might require additional certifications or experience. Remember that the job landscape is constantly evolving. We encourage you to continue learning and stay updated on industry trends even after completing the course. Many successful professionals combine formal education with ongoing self-improvement to excel in their careers. We are here to support you in your journey! Q18. Do you provide placement services? A18. While our course is designed to provide you with a comprehensive understanding of the subject, we currently do not offer placement services as part of the course package. Our main focus is on delivering high-quality education and equipping you with essential skills in this field. However, we understand that finding job opportunities is a crucial aspect of your career journey. We recommend exploring various avenues to enhance your job search: a) Career Counseling: Seek guidance from career counselors who can provide personalized advice and help you tailor your job search strategy. b) Networking: Attend industry events, workshops, and conferences to build connections with professionals in your field. Networking can often lead to job referrals and valuable insights. c) Online Professional Network: Leverage platforms like LinkedIn, a reputable online professional network, to explore job opportunities that resonate with your skills and interests. d) Online Job Platforms: Investigate prominent online job platforms in your region and submit applications for suitable positions considering both your prior experience and the newly acquired knowledge. e.g in UK the major job platforms are Reed, Indeed, CV library, Total Jobs, Linkedin. While we may not offer placement services, we are here to support you in other ways. If you have any questions about the industry, job search strategies, or interview preparation, please dont hesitate to reach out. Remember that taking an active role in your job search process can lead to valuable experiences and opportunities. Q19. How do I enrol in Uplatz video courses? A19. To enroll, click on "Buy This Course," You will see this option at the top of the page. a) Choose your payment method. b) Stripe for any Credit or debit card from anywhere in the world. c) PayPal for payments via PayPal account. d) Choose PayUmoney if you are based in India. e) Start learning: After payment, your course will be added to your profile in the student dashboard under "Video Courses". Q20. How do I access my course after payment? A20. Once you have made the payment on our website, you can access your course by clicking on the "My Courses" option in the main menu or by navigating to your profile, then the student dashboard, and finally selecting "Video Courses". Q21. Can I get help from a tutor if I have doubts while learning from a video course? A21. Tutor support is not available for our video course. If you believe you require assistance from a tutor, we recommend considering our live class option. Please contact our team for the most up-to-date availability. The pricing for live classes typically begins at USD 999 and may vary.