Versions of log4j apis
The following are the major releases of log4j project.
| Download Version | Java compatibility | Release Date |
|---|---|---|
| log4j-1.2.17 | 1.2 and later | 2012-05-26 |
| log4j-1.2.16 | 1.2 and later | 2010-04-07 |
| log4j-1.2.15 | 1.2 and later | 2007-08-30 |
| log4j-1.2.14 | 1.2 and later | 2006-09-18 |
| log4j-1.2.13 | 1.2 and later | 2006-09-21 |
| log4j-1.2.12 | 1.2 and later | 2005-09-08 |
| log4j-1.2.11 | 1.2 and later | 2005-06-23 |
| log4j-1.2.10 | 1.2 and later | 2005-05-27 |
| log4j-1.2.9 | 1.2 and later | 2005-06-23 |
| log4j-1.2.8 | 1.2 and later | 2004-04-19 |
| log4j-1.2.7 | 1.2 and later | 2004-04-19 |
| log4j-1.2.6 | 1.2 and later | 2004-04-19 |
| log4j-1.2.5 | 1.2 and later | 2004-04-19 |
| log4j-1.2.4 | 1.2 and later | 2004-04-19 |
| log4j-1.2.3 | 1.2 and later | 2004-04-19 |
| log4j-1.2.2 | 1.2 and later | 2004-04-19 |
| log4j-1.2.1 | 1.2 and later | 2004-04-19 |
| log4j-1.1.3 | 1.1 and later | 2004-04-19 |
| log4j-1.0.4 | 1.1 and later | 2004-04-19 |
log4j-extras api versions
The following are the major releases of log4j-extras companion api.
In the examples covered in this article, the log4j-extras jar is required only for the cases where logs are archived. For most of the examples and almost all uses of log4j on production environment, the log4j-extras jars are not required.
| Download Version | log4j.jar compatibility | Java compatibility | Release Date |
|---|---|---|---|
| apache-log4j-extras-1.1 | 1.2.16 and prior | 1.2 and later | 2010-11-20 |
| apache-log4j-extras-1.0 | 1.2.17 and prior | 1.2 and later | 2007-08-30 |