Mirror of This is the Apache log4net logging project git repository.

Clone this repo:
  1. 2b8b170 Merge pull request #71 from Flexberry/fix-npgsql-appender by Davyd McColl · 8 months ago master
  2. 634ffca Fix AdoNetAppender using npgsql by Tsar Nikolay · 8 months ago
  3. dbad144 :arrow_up: upgrade gulp-zip so that generated zip artifacts are properly unzippable on !win32 by Davyd McColl · 9 months ago rel/2.0.12
  4. ea3535a :memo: update references to jira issues to be links by Davyd McColl · 9 months ago
  5. c306c28 :memo: update docs for site by Davyd McColl · 9 months ago


Apache log4net is a sub project of the Apache Logging Services project. Apache log4net graduated from the Apache Incubator in February 2007. Web site: http://logging.apache.org/log4net


For the latest documentation see the log4net web site at: http://logging.apache.org/log4net


log4net development happens on the logging dev mailing list, see https://logging.apache.org/log4net/mail-lists.html. Please join the mailing list and discuss bigger changes before working on them.

For bigger changes we must ask you to sign a Contributor License Agreement http://www.apache.org/licenses/#clas.

Github pull requests are one way to contribute, The Apache issue tracker is no longer accepting new issues but is available at https://issues.apache.org/jira/browse/LOG4NET for access to previous issues.


log4net targets a wide array of .net platforms, including some which are out of support from Microsoft, making it difficult to install relevant SDKs and build for those targets. In particular, older Client Profile .NET Framework targets and dotnet core 1.1 may be installed by using the bundled helper scripts:

These scripts download the relevant installers from Microsoft servers, but you run them at your own risk.

Please see CONTRIBUTING.md and BUILDING.md