What is Apache Log4j?

Log4j is a versatile and high-performance logging framework specifically designed for Java applications, comprising an API, a robust implementation, and various components that cater to a multitude of deployment scenarios. This initiative thrives thanks to the tireless efforts of a committed team of volunteers and enjoys the support of a vast community. With an impressive selection of components, Log4j accommodates a variety of applications, including appenders that facilitate log transmission to files, network sockets, databases, and SMTP servers. The framework also offers layouts that can generate outputs in several formats, such as CSV, HTML, JSON, and Syslog. Additionally, it encompasses filters that can utilize log event rates, regular expressions, scripts, and time parameters, alongside lookups that provide access to system properties, environment variables, and specific log event fields. Built with a strong focus on reliability, Log4j features automatic configuration reloading that occurs without disrupting log event continuity during the transition. When configured correctly, it ensures remarkable performance while exerting minimal influence on the Java garbage collector, thereby safeguarding its dependability. Moreover, the framework's adaptable architecture empowers developers to effectively tailor logging behaviors to meet their unique requirements, enhancing the overall functionality of their applications. This flexibility further solidifies Log4j's position as a preferred choice among Java developers.

Pricing

Price Starts At:
Free
Free Version:
Free Version available.

Integrations

Offers API?:
Yes, Apache Log4j provides an API

Screenshots and Video

Apache Log4j Screenshot 1

Company Facts

Company Name:
Apache Software Foundation
Date Founded:
1999
Company Location:
United States
Company Website:
logging.apache.org/log4j/2.x/index.html

Product Details

Deployment
Windows
Mac
Linux
Training Options
Documentation Hub
Support
Web-Based Support

Product Details

Target Company Sizes
Individual
1-10
11-50
51-200
201-500
501-1000
1001-5000
5001-10000
10001+
Target Organization Types
Mid Size Business
Small Business
Enterprise
Freelance
Nonprofit
Government
Startup
Supported Languages
English

Apache Log4j Categories and Features