--- title: Apache log4j Reviews meta_title: 'Apache log4j Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 142 reviews by the users' company size, role or industry to find out how Apache log4j works for a business like yours. aggregate_rating: rating_value: 4.5 review_count: 142 scale: '5' date_modified: '2026-07-07' parent_category: name: Monitoring url: https://www.g2.com/categories/monitoring --- # Apache log4j Reviews **Vendor:** The Apache Software Foundation **Category:** [Log Monitoring Software](https://www.g2.com/categories/log-monitoring) **Average Rating:** 4.5/5.0 **Total Reviews:** 142 ## About Apache log4j Apache Log4j 2 is an upgrade to Log4j that provides significant improvements over its predecessor, Log4j 1.x, and provides many of the improvements available in Logback while fixing some inherent problems in Logback architecture. ## Apache log4j Pros & Cons **What users like:** - Users value the **flexibility and configurability** of Apache Log4j, enhancing their debugging and logging capabilities effectively. (1 reviews) - Users appreciate the **flexibility and configurability** of Apache Log4j, allowing dynamic adjustments for optimal logging control. (1 reviews) - Users appreciate the **flexibility and configurability** of Apache Log4j, enabling fine-grained control over logging without code changes. (1 reviews) - Users value the **flexibility and configurability** of Apache Log4j, enhancing debugging and monitoring capabilities effectively. (1 reviews) - Users value the **flexible and configurable monitoring** capabilities of Apache Log4j, enhancing debugging and system maintenance. (1 reviews) **What users dislike:** - Users find that **configuration issues** in Apache Log4j can complicate maintenance and lead to performance problems. (1 reviews) - Users find **log management complicated** due to flexibility, leading to potential misconfigurations and performance issues. (1 reviews) - Users struggle with **update issues** when using Apache Log4j, emphasizing the need for careful configuration management. (1 reviews) ## Apache log4j Reviews ### 1. I have problem print server related logs. But it provides the good support for create the logs and **Rating:** 4.5/5.0 stars **Reviewed by:** Nagender reddy R. | Java Software Engineer, Small-Business (50 or fewer emp.) **Reviewed Date:** March 30, 2020 **What do you like best about Apache log4j?** Annotations and centralized logs for apps **What do you dislike about Apache log4j?** Nothing much everything is good so far for java applications **What problems is Apache log4j solving and how is that benefiting you?** Create logs into files and create log streams and adding different levels ### 2. Easy Logs **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Computer Software | Mid-Market (51-1000 emp.) **Reviewed Date:** April 01, 2020 **What do you like best about Apache log4j?** it makes my life easier. otherwise I wasting my time on tracing **What do you dislike about Apache log4j?** nothing to say exactly. mostly im ok with it **Recommendations to others considering Apache log4j:** yes **What problems is Apache log4j solving and how is that benefiting you?** before the log4j, I had to implement file management or console output for logs. Spend lots of time to trace some logs. After logj4, it is just adding to the code and send to the log4j. tracing and managing is super easy ### 3. Logs means apache log4j. It has numerous features which makes developer life easy. **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Mid-Market (51-1000 emp.) **Reviewed Date:** April 05, 2020 **What do you like best about Apache log4j?** Async logging is my favorite. Logs means apache log4j. It has numerous features which makes developer life easy. The custom logging levels and thread based logging is a nice features. **What do you dislike about Apache log4j?** Nothing as such. I didn't find anything to dislike this. **Recommendations to others considering Apache log4j:** Apache log4j is a developer friendly opensoure logging mechanism. Its easy to use. **What problems is Apache log4j solving and how is that benefiting you?** User specific logs. Thread based logs. Audit logs. ### 4. Is a reliable, fast and flexible logging tool **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Telecommunications | Mid-Market (51-1000 emp.) **Reviewed Date:** April 02, 2020 **What do you like best about Apache log4j?** It is thread safe , logging flow can be set at runtime using a configuration file, the format of the log output can be easily changed etc .... **What do you dislike about Apache log4j?** Everything is OK for now , I am satisfied with what is offered :) **What problems is Apache log4j solving and how is that benefiting you?** The well written logging code allow me to quick debugging, easy maintenance, and structured storage of the application information. ### 5. Best logger framework ever **Rating:** 5.0/5.0 stars **Reviewed by:** Maulik P. | Technology Analyst, Small-Business (50 or fewer emp.) **Reviewed Date:** April 02, 2020 **What do you like best about Apache log4j?** It is the best logging framework. Easy to use. **What do you dislike about Apache log4j?** I couldn't find any such disadvantage at all. **What problems is Apache log4j solving and how is that benefiting you?** Provide the thread-safety. ### 6. I like log4j + slf4j **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Insurance | Enterprise (> 1000 emp.) **Reviewed Date:** April 05, 2020 **What do you like best about Apache log4j?** simple configuration and a lot of possibilities if needed **What do you dislike about Apache log4j?** not faced anything I would dislike. However, once I found that when we applied regexp to parse specific logline we got performance reduction. I don't think that it's log4j problem but it was no other ways to do saw. We found a solution **Recommendations to others considering Apache log4j:** recommend **What problems is Apache log4j solving and how is that benefiting you?** logging ### 7. Nifty library to add logging to your code **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Enterprise (> 1000 emp.) **Reviewed Date:** April 03, 2020 **What do you like best about Apache log4j?** Easy maintenance Fast debugging Legacy projects still use it. **What do you dislike about Apache log4j?** Sometimes locks the log file so can't delete it. If you can come up with a annotation based abstraction library like Slf4j, nothing like it. **Recommendations to others considering Apache log4j:** Definitely give it a try. **What problems is Apache log4j solving and how is that benefiting you?** Logging helps you to troubleshoot production issues. Ease the understanding of code flows for beginners ### 8. Best logging utility for Java developers **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Financial Services | Mid-Market (51-1000 emp.) **Reviewed Date:** April 24, 2020 **What do you like best about Apache log4j?** Capabilities and easy to integrate with other frameworks **What do you dislike about Apache log4j?** the documentation needs to be enriched with integration examples (e.g logback) **Recommendations to others considering Apache log4j:** Try to go through recent tutorials if you are a beginner **What problems is Apache log4j solving and how is that benefiting you?** I can have centralized logging in my application ### 9. Ultimate logging API for Java **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Government Administration | Enterprise (> 1000 emp.) **Reviewed Date:** March 28, 2020 **What do you like best about Apache log4j?** Its Rolling File Appender mechanism is awesome **What do you dislike about Apache log4j?** There is nothing to dislike in Log4j except its way of locking the log files while logging **What problems is Apache log4j solving and how is that benefiting you?** You can write your Java application logs to a database, file, log management system, console, or possibly other places in the network without changing your application code ### 10. Log4j Usage **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Computer Software | Enterprise (> 1000 emp.) **Reviewed Date:** April 04, 2020 **What do you like best about Apache log4j?** 1. Good logging infrastructure without putting any efforts. 2.Ability to categorized logs in different level. 3.We can identify run time error or execption in applications. **What do you dislike about Apache log4j?** Imposes extra requirements means allocation of resources. **What problems is Apache log4j solving and how is that benefiting you?** Mainly catching run time exception in server side application it is most useful concept. ### 11. Apache logs **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Computer Software | Mid-Market (51-1000 emp.) **Reviewed Date:** April 01, 2020 **What do you like best about Apache log4j?** Easy to find the bugs and fix it so mostly used to fix bugs using this **What do you dislike about Apache log4j?** I couldn't find any dis advantages upto now **What problems is Apache log4j solving and how is that benefiting you?** I have to fix one important bug to fix. At that time I used apache and it helps a lot ### 12. Easy and Effective. **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Investment Banking | Enterprise (> 1000 emp.) **Reviewed Date:** April 04, 2020 **What do you like best about Apache log4j?** most It's a good utility for logging perspective, it's easy and very effective i have used this almost in all my project to get proper logging. **What do you dislike about Apache log4j?** I have't experienced any disadvantage while using this log4j. **What problems is Apache log4j solving and how is that benefiting you?** Easy and effective logging with AOP. ### 13. It is great and easy to use. **Rating:** 3.5/5.0 stars **Reviewed by:** Verified User in Banking | Small-Business (50 or fewer emp.) **Reviewed Date:** April 02, 2020 **What do you like best about Apache log4j?** It is easy to use, convenient and provides variety of configurations. **What do you dislike about Apache log4j?** Nothing particular to be honest. It is a great logger. **Recommendations to others considering Apache log4j:** Once you start using it you will not abandon it. **What problems is Apache log4j solving and how is that benefiting you?** It has saved me much time, navigating through complex code. ### 14. I have been using form mare than 4 year and I definitely recommend it. Easy to install and work. **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Small-Business (50 or fewer emp.) **Reviewed Date:** April 02, 2020 **What do you like best about Apache log4j?** Easy to configure, centralized configuration, provide different logging levels, able to define formats, etc. **What do you dislike about Apache log4j?** It locks the logfiles when in use. We cannot delete the log file while log4j has it open. **What problems is Apache log4j solving and how is that benefiting you?** Logging different logs based on the application requirements. ### 15. Nice **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Small-Business (50 or fewer emp.) **Reviewed Date:** April 04, 2020 **What do you like best about Apache log4j?** Creating log files for our test scripts, which saves a lot of time. Nice **What do you dislike about Apache log4j?** I don find any dislike in that. It is best choice **What problems is Apache log4j solving and how is that benefiting you?** Creating log files for our test scripts, which saves a lot of time ### 16. Easy to use,very use ful in logging and huge support is available from the forums. **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Banking | Mid-Market (51-1000 emp.) **Reviewed Date:** March 28, 2020 **What do you like best about Apache log4j?** Easy to use,most of the online forums we will get support . **What do you dislike about Apache log4j?** I didn't find as such,i love to use this tool. **What problems is Apache log4j solving and how is that benefiting you?** For enterprise applications i mostly depend on logs for finding the root causes,this one provides complete inside runtime details. ### 17. Java developer **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Banking | Mid-Market (51-1000 emp.) **Reviewed Date:** April 03, 2020 **What do you like best about Apache log4j?** In multithreaded program it is tough or rather impossible to debeg issues without logs.i used log4j **What do you dislike about Apache log4j?** I actually like log4j I don’t have any complaints **What problems is Apache log4j solving and how is that benefiting you?** As mentioned above they are very helpful in multithreaded applications ### 18. Log4j review **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Automotive | Small-Business (50 or fewer emp.) **Reviewed Date:** March 29, 2020 **What do you like best about Apache log4j?** In J2EE projects we configure log4j for each module. It would be great if we can do it with annotations to simplify the development. **What do you dislike about Apache log4j?** Configuration files with lot of input attributes **Recommendations to others considering Apache log4j:** Yes I recommend it **What problems is Apache log4j solving and how is that benefiting you?** Logging ### 19. Logging is must for any application **Rating:** 3.5/5.0 stars **Reviewed by:** Verified User in Computer Software | Enterprise (> 1000 emp.) **Reviewed Date:** March 29, 2020 **What do you like best about Apache log4j?** Ready to use, it's robustness. It's contribution to java community. **What do you dislike about Apache log4j?** Nothing as such. Just the latest Lombok logging is even better to use. **What problems is Apache log4j solving and how is that benefiting you?** Better debugging in production environment. Easily debug production issues. ### 20. Customizable and easy to use **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Banking | Mid-Market (51-1000 emp.) **Reviewed Date:** March 27, 2020 **What do you like best about Apache log4j?** Optimized, customizable, support all error levels **What do you dislike about Apache log4j?** Debug logging details are less, other then level customization more options can be helpful. **Recommendations to others considering Apache log4j:** Yes **What problems is Apache log4j solving and how is that benefiting you?** Multi-level error messages, logging, debugging, export error messages over file system. ### 21. log4j - Java's favorite loggin tool **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Financial Services | Small-Business (50 or fewer emp.) **Reviewed Date:** March 29, 2020 **What do you like best about Apache log4j?** Easy to use via maven or without maven, opensource and easy updates and light **What do you dislike about Apache log4j?** Like other logging systems, log4j does not offer many logging templates. **What problems is Apache log4j solving and how is that benefiting you?** basic information and debug applications ### 22. Excellent experience **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Computer Software | Enterprise (> 1000 emp.) **Reviewed Date:** April 04, 2020 **What do you like best about Apache log4j?** To tracing the error logs and saving time **What do you dislike about Apache log4j?** provide embedded in spring boot framework **Recommendations to others considering Apache log4j:** Use this it will save time of your and effort also **What problems is Apache log4j solving and how is that benefiting you?** Time saving ### 23. Easily trace the flow of application code in other environment with log file **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Telecommunications | Enterprise (> 1000 emp.) **Reviewed Date:** March 29, 2020 **What do you like best about Apache log4j?** Good in debug the issue in other environment **What do you dislike about Apache log4j?** Good overall and open source can't dislike **What problems is Apache log4j solving and how is that benefiting you?** We can easily trace the flow of application in accross the environment ### 24. Good logging library **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Computer & Network Security | Enterprise (> 1000 emp.) **Reviewed Date:** April 09, 2020 **What do you like best about Apache log4j?** Good decumenation makes it easy to applu **What do you dislike about Apache log4j?** The admin page is not the best...needs imro **Recommendations to others considering Apache log4j:** Good logging lib **What problems is Apache log4j solving and how is that benefiting you?** Looging and troubleshooting ### 25. Nice experience with log4j **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Enterprise (> 1000 emp.) **Reviewed Date:** April 04, 2020 **What do you like best about Apache log4j?** Different logger options it will validate ur bug correctly. **What do you dislike about Apache log4j?** Try to add background colour for logger. **What problems is Apache log4j solving and how is that benefiting you?** Mostly on system crash issue's. ### 26. Apache log4j files **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Computer & Network Security | Enterprise (> 1000 emp.) **Reviewed Date:** April 01, 2020 **What do you like best about Apache log4j?** You can easily locate error with txt files **What do you dislike about Apache log4j?** Actually it is useful to track files for logs and navigation errors. **What problems is Apache log4j solving and how is that benefiting you?** Tracking purpose.. ### 27. API separation, Improved performance,support for multiple APIs, **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Marketing and Advertising | Small-Business (50 or fewer emp.) **Reviewed Date:** April 05, 2020 **What do you like best about Apache log4j?** Improved performance. Makes implementation easier. **What do you dislike about Apache log4j?** Nothing as of now, I find it very useful **What problems is Apache log4j solving and how is that benefiting you?** Automatic loading of configuration upon modifications ### 28. Logging is the best thing for a developer as we need to debug issues and log4j very nicely does that **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Computer Software | Enterprise (> 1000 emp.) **Reviewed Date:** March 27, 2020 **What do you like best about Apache log4j?** The way it gets Integrated within the development environment. **What do you dislike about Apache log4j?** Have not came across any dislikes of this. **What problems is Apache log4j solving and how is that benefiting you?** Logging business critical check points. ### 29. best for debugging information in log formation **Rating:** 4.0/5.0 stars **Reviewed by:** Nisar A. | Invoice Support Executive, Internet, Mid-Market (51-1000 emp.) **Reviewed Date:** February 17, 2019 **What do you like best about Apache log4j?** i used apache log4j jar file in my maven project. it helps to me generate logs for my project. Apache Log4j is a java based logging utility. log also generate timestamp and error mesaage which makes easy to debug. we need to use log4j.properties file in which we define layout and where we want to save the log file. **What do you dislike about Apache log4j?** there is nothing i dislike with Apache Log4j. **What problems is Apache log4j solving and how is that benefiting you?** helps me to generate log file for my selenium maven project ### 30. Using log4j to improve the software quality **Rating:** 5.0/5.0 stars **Reviewed by:** Rodolfo M. | CTO, Entertainment, Enterprise (> 1000 emp.) **Reviewed Date:** July 23, 2018 **What do you like best about Apache log4j?** Easy of use made it possible to implement it quickly in different parts of our software to find problems and pinpoint different performance-related problems. The different levels of logging that you can achieve to get the right information about a problem. **What do you dislike about Apache log4j?** The documentations is cryptic, and although the basics is quite easy to get it going, to master it can take some time. **Recommendations to others considering Apache log4j:** You should plan ahead the classes where you will implement log4j. It is not very useful for jsp files. However, for java classes, it is invaluable as a diagnostic tool. We have used it with several servlet engines: tomcat (usually), jboss/wildfly and (in the very old times) sun and weblogic. **What problems is Apache log4j solving and how is that benefiting you?** The most important problem that we solved with Apache Log4J was to provide better support to our customers when problems were reported. Without a need to recompile, log4j lets you change the behavior of the application to show debug information. It helped us track the usage of different parts of the application and generate statistics about how the users browsed within the webapp. ### 31. The best logger with minimal overhead on System input output **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Media Production | Enterprise (> 1000 emp.) **Reviewed Date:** November 08, 2018 **What do you like best about Apache log4j?** The ease to classify the logs in wanr, info, error, and many other types. This also helped in capturing logs of various other dependent tools. The enabling feature, formatting of the logs, class parameter makes it very easy to use and confirm where the code passed from which class its in and what is the log signifying. The logs level change can enable to display debug and other logs as well which makes it great to use when requirement to monitor all logs. The color scheme also gets displayed in the unix vim tool making it to clearly understand if its an issue or not to be looked and worked upon. On top of these many tools and other readers are there which classify the logs, the kibana tool helps analyzing and displaying the logs of any format into required format. **What do you dislike about Apache log4j?** The dependency version keeps changing for each api and compatibility sometimes cause issue. **Recommendations to others considering Apache log4j:** Its very easy to use, has no overheads and creates no latency or overhead on the server or memory. It can be custom changed even while the application is running and all are controlled by very simple properties parameter. **What problems is Apache log4j solving and how is that benefiting you?** All kind of info, debug, error, warning can be separately displayed and which log to be displayed in which environment is highly controlled. This makes the application usage flow and time stamps to be viewed analyzed and used for business and technical issue fixes and decisions. ### 32. Apache log4j is great tool to check log to debug issue **Rating:** 3.5/5.0 stars **Reviewed by:** Dhwani S. | Senior Test Engineer, Enterprise (> 1000 emp.) **Reviewed Date:** November 13, 2018 **What do you like best about Apache log4j?** Debugging and filter are good features in log4j. It's easy to find issue with Log4j. It also help when there are mulltiple error in product. It's easy to debug using log4j **What do you dislike about Apache log4j?** So far i don't see anything. May be more and more feature with each release make product much more valuable. **Recommendations to others considering Apache log4j:** Yes highly recommend. This product is easy to use with greate features. I am very happy and it make my workf much more simple in daily basis **What problems is Apache log4j solving and how is that benefiting you?** I am QA and checking log once build deploy to env. It help me to check issue in log file when any functionality is not working ### 33. Log management **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Enterprise (> 1000 emp.) **Reviewed Date:** November 07, 2018 **What do you like best about Apache log4j?** I have used it in my previous organization for log management of our J2EE applications. The best part is to be able to manage log levels based on java package path. It's a very powerful way to decide and dynamically log at the level based on the environment and need of the hour. **What do you dislike about Apache log4j?** In the earlier versions of log4j we had trouble being able to change the log levels dynamically at runtime without having to restart the server or the application. This was okay at lower environments. But, a big no for Production environment. **Recommendations to others considering Apache log4j:** There are many flavours of log management available right now. Consider evaluating others. **What problems is Apache log4j solving and how is that benefiting you?** Sometimes just having the error logs was not enough. So, to debug issues in QA, LT or Prod we enable logging at trace/debug level to see more logs and find the course of error situation. ### 34. Simple yet powerful logging **Rating:** 5.0/5.0 stars **Reviewed by:** Samir M. | Mid-Market (51-1000 emp.) **Reviewed Date:** August 15, 2018 **What do you like best about Apache log4j?** The customization. With Log4J you can pick and choose your logging levels down to the class. The ability for me to more easily debug my software just by upping the logging makes fixing bugs and errors so much easier. It also allows me to **What do you dislike about Apache log4j?** Complicated set up. There's a lot of moving pieces with Log4J set up but once it's set up it's easy to use. **Recommendations to others considering Apache log4j:** Log4J is a complete logging system . It will do anything you need and you can customize it and tailor it to your exact needs. **What problems is Apache log4j solving and how is that benefiting you?** We use Log4j for all the logging in our system. Log statements write to a server log file where they are all compiled. We've realized how important specific granularity of logging within classes/methods is. Making sure to show enough but not too much at the same time. ### 35. Review the Apache log4j. **Rating:** 3.5/5.0 stars **Reviewed by:** Verified User in Education Management | Enterprise (> 1000 emp.) **Reviewed Date:** November 13, 2018 **What do you like best about Apache log4j?** In my opinion, Apache log4j 2.0 is worth the upgrade- much better than the previous version. The plugin system has really helped me out. I have greatly enjoyed using this product. Performance is faster than ever! **What do you dislike about Apache log4j?** The Async Appender isn't really for me- it's difficult and clunky to use and, in my opinion, isn't really worth it. I don't really want to add another logging framework to my daily tasks. **Recommendations to others considering Apache log4j:** You should plan ahead the classes where you will implement log4j. **What problems is Apache log4j solving and how is that benefiting you?** As I said before, performance is a lot faster- we can complete logs a lot quicker! Mainly use this for completing logs each day. ### 36. Great logging tool for Apache **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Computer Software | Small-Business (50 or fewer emp.) **Reviewed Date:** November 13, 2018 **What do you like best about Apache log4j?** Great tool for Apache server logs. Gives more detailed logging capability. **What do you dislike about Apache log4j?** There is a "native" implementation of the SLF4J API called Logback. Last year I was on a project in which we decided to switch from Log4J to Logback very late in the project, because Log4J locks logfiles and Logback does not (which means that on Windows, you can't delete a logfile while Log4J has it open; Logback doesn't have that problem). **What problems is Apache log4j solving and how is that benefiting you?** Gained good amount of insights related to my web application. ### 37. log4j **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Retail | Enterprise (> 1000 emp.) **Reviewed Date:** September 28, 2018 **What do you like best about Apache log4j?** The thing I like best about log4j is how easy and simple it is to use. **What do you dislike about Apache log4j?** Truthfully there is not anything I dislike, log4j is efficient and does what I need it to do. **Recommendations to others considering Apache log4j:** Logging has never been easier to do **What problems is Apache log4j solving and how is that benefiting you?** A business problem I am solving with log4j is logging in general. Log4j makes logging applications very easy to do, which benefits debugging and error logging, 2 vital things for software development. ### 38. Neutral about service **Rating:** 2.5/5.0 stars **Reviewed by:** Verified User in Insurance | Mid-Market (51-1000 emp.) **Reviewed Date:** November 13, 2018 **What do you like best about Apache log4j?** I like best how it helps necessary to get feedback about activity as well performance of servers **What do you dislike about Apache log4j?** I really dont dislike anything specifically. It depends on the Apache configuration that you have **What problems is Apache log4j solving and how is that benefiting you?** Helps with access logs and VPS servers ### 39. Good library but abandoned **Rating:** 2.5/5.0 stars **Reviewed by:** Verified User in Telecommunications | Mid-Market (51-1000 emp.) **Reviewed Date:** April 19, 2018 **What do you like best about Apache log4j?** I have used log4j for several years. It's a good library highly configurable. It was part of all my libraries and java programms development. Used in conjunction with SLF4j is the best solution in the market. **What do you dislike about Apache log4j?** Unfortunately its development seems to be abandoned. Fortunately the same authors of log4j create a new library called logback, that it seems to be better than its predecessor. **Recommendations to others considering Apache log4j:** Besides of being a very good library it seems that its development was abandoned,. Its highly recommended to use the new library logback (created by the same authors) **What problems is Apache log4j solving and how is that benefiting you?** Logging related issues, log on file, on email, on console, smtp, syslog. You can resolve all logging issues with a a combination of logger+appender. And if its not there you can code it and plug in to the library. ### 40. Log4j review **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Enterprise (> 1000 emp.) **Reviewed Date:** November 01, 2018 **What do you like best about Apache log4j?** Very easy to use. Used for logging purposes and to find out bugs in the software **What do you dislike about Apache log4j?** Poor documentation and resources. Better explaination required **What problems is Apache log4j solving and how is that benefiting you?** Solve bugs submitted by clients with just adding logs using log4j ### 41. Review of Apache Log **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Arts and Crafts | Small-Business (50 or fewer emp.) **Reviewed Date:** November 13, 2018 **What do you like best about Apache log4j?** What I like best of them software is that it’s user friendly **What do you dislike about Apache log4j?** The customer service is not the most friendly **What problems is Apache log4j solving and how is that benefiting you?** Financing, it’s user friendly ### 42. Apache log4j - a classic that keeps on giving **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Computer Software | Mid-Market (51-1000 emp.) **Reviewed Date:** July 23, 2018 **What do you like best about Apache log4j?** log4j is widely implemented in big java software projects. It's the "standard" of sorts and it works pretty well. **What do you dislike about Apache log4j?** log4j is not as flexible or robust as logback. **What problems is Apache log4j solving and how is that benefiting you?** Intelligent, relevant logging from systems. ## Apache log4j Discussions - [Hi, I want to use colors while printing logs. Any example configuration?](https://www.g2.com/discussions/26064-hi-i-want-to-use-colors-while-printing-logs-any-example-configuration) - 1 comment, 1 upvote - [View Apache log4j pricing details and edition comparison](https://www.g2.com/products/apache-log4j/reviews?page=3§ion=pricing&secure%5Bexpires_at%5D=2026-07-10+08%3A23%3A05+-0500&secure%5Bsession_id%5D=5da79cb1-94cb-4da4-82f8-94232f5744c6&secure%5Btoken%5D=00be7609dacef14225f762bc5c1ee4e5d05c9c4a1f4a5cf8f5ed43af57a4b132&format=llm_user) ## Apache log4j Features **Visibility** - Dashboards and Visualizations - Alerts and Notifications - Reporting **Monitoring and Management** - Automation - Performance Baseline - Real-Time Monitoring **Agentic AI - Log Monitoring** - Autonomous Task Execution - Multi-step Planning - Cross-system Integration - Adaptive Learning - Natural Language Interaction - Proactive Assistance - Decision Making ## Top Apache log4j Alternatives - [Splunk Enterprise](https://www.g2.com/products/splunk-enterprise/reviews) - 4.3/5.0 (415 reviews) - [Checkmk](https://www.g2.com/products/checkmk/reviews) - 4.7/5.0 (292 reviews) - [Datadog](https://www.g2.com/products/datadog/reviews) - 4.4/5.0 (713 reviews)