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Apache Log4j is a versatile, industrial-grade Java logging framework composed of an API, its implementation, and components to assist the deployment for various use cases. Log4j is used by 8% of the Maven ecosystem and listed as one of the top 100 critical open source software projects. The project is actively maintained by a team of several volunteers and supported by a big community.
Features
- Log4j bundles a rich set of components to assist various use cases
- Appenders targeting files, network sockets, databases, SMTP servers, etc.
- Layouts that can render CSV, HTML, JSON, Syslog, etc. formatted outputs
- Filters that can be configured using log event rates, regular expressions, scripts, time, etc.
- Lookups for accessing system properties, environment variables, log event fields, etc.
- Documentation available
- Examples available
Project Samples
Categories
LibrariesLicense
Apache License V2.0Follow Apache Log4j
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