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It is possible to enable logging at runtime without modifying the application binary. The log4j package is designed so that log statements can remain in shipped code without incurring a high performance cost.
One of the distinctive features of log4j is the notion of hierarchical loggers. Using loggers it is possible to selectively control which log statements are output at arbitrary granularity.
Log4j can output to: a file, a rolling file, a database with a JDBC driver, many output asynchronously, a JMS Topic, a swing based logging console, the NT event log, /dev/null, a SMTP server (using javamail), a socket server, syslog, telnet daemon and stdout.
The format of the output can be defined using one of the various layout (or user defined layout) like: simple text, html, date, pattern defined and XML.
apache-log4j1.2 for Debian -------------------------- This is the apache logging library version 1.2. If your package depends on it please use the /usr/share/java/log4j-1.2.jar symlink. Some information from the INSTALL documentation: You can now test your installation by first compiling the following simple program. import org.apache.log4j.Logger; import org.apache.log4j.BasicConfigur more»
apache-log4j1.2 (1.2.16-3) unstable; urgency=low * Add Bundle-SymbolicName to jar manifest * Update Import-Package OSGi attribute * Add Jakub Adam to Uploaders * Updated Standards-Version to 3.9.2 * Removed Thomas Koch from Uploaders. Thanks for your contributions. -- Jakub Adam <firstname.lastname@example.org> Sun, 27 Nov 2011 19:01:34 +0100 apache-log4j1.2 (1.2.16-2) unstable; urgency=low more»
This package was debianized by Benoit Joly <email@example.com> on Sat Apr 12 2003 18:32:20 -0400. It was downloaded from: http://logging.apache.org/log4j/1.2/download.html Upstream Authors: Copyright (C) 1999-2007, The Apache Software Foundation Contributors: Mathias Bogaert James P. Cakalic Paul Glezen Ceki Gülcü Anders Kristensen Jim Moore more»