log4j based loggers
Pros and Cons of different loggers which can be used to create a log4j-formatted log to be viewed using the Log4View viewer.
I will review 3 loggers in this article, Log4cxx, Log4cplus and Log4cpp.
- currently undergoing Incubation - there is no official release
- update/bug fixes once in the past 12 years, last release was 2008
- user can select different LogLevels – TRACE, DEBUG, INFO, WARN, ERROR, and FATAL
- hierarchical Loggers
- it is possible to log asynchronously
- supports multiple appenders
- user can select to enabled or disabled the logger
- log can be sent to different and multiple output targets
- user selected output formats
- well documented
- is licensed under the Apache License, an open source license certified by the Open Source Initiative
updates/bug fixes - last release was Jan. 2016
user can select select different LogLevels – TRACE, DEBUG, INFO, WARN, ERROR, and FATAL hierarchical Loggers
supports multi–threaded applications but is not safe to be used from asynchronous signals’ handlers
user selected output format: SimpleLayout, PatternLayout, TTCCLayout
supports multiple loggers
not well documented
is licensed under the Apache License V2.0
- bug fixes are about once a year, last release was April 2015
- supports multi-threaded applications •no clear documentation exist
- is licensed under the GNU Lesser General Public License (LGPL) as of version 0.2.1, before that have been released under the GPL.