As long as there is a 'core' log4j jar having only jdk 1.2
dependencies, any number of optional jars could be
produced to satisfy all deployment requirements.
e.g.
log4j.jar (core + ext = current API for compatibility)
log4j-core.jar (core classes)
log4j-ext.jar (all optional packages)
log4j-smtp.jar (optional)
log4j-jms.jar (optional)
log4j-db.jar (optional)
log4j-oro.jar (optional)
log4j-...
Regards
Andy
On Tue, 18 Jan 2005 15:00:19 -0800
Mark Womack <[EMAIL PROTECTED]> wrote:
Could we break it up into 2 jars, log4j-core.jar and
log4j-ext.jar, instead
of a multitude of api specific jars? Does this get in
the way of what you
are trying to accomplish?
-Mark
-----Original Message-----
From: Ceki G�lc� [mailto:[EMAIL PROTECTED]
Sent: Thursday, January 13, 2005 9:09 AM
To: [email protected]
Subject: [POLL] Splitting log4j.jar by dependency
Hello all,
While performing some tests with Tomcat, I noticed that
if log4j.jar
is placed in ./common/lib/, then for example an instance
of
SMTAppender cannot be created without placing 'mail.jar'
also in
./common/lib/, placing 'mail.jar' in WEB-INF/lib is not
enough.
To circumvent this problem, I propose to split log4j.jar
by
dependency. For example,
log4j.jar (core classes depending only on JDK 1.2)
log4j-smtp.jar
log4j-jms.jar
log4j-db.jar
log4j-oro.jar
log4j-...
This way, the user wishing to use SMTPAppender in her
application can
place log4j-smtp.jar and mail.jar in her application's
WEB-INF/lib
directory without the need to add any new jar files in
./common/lib.
Apache Ant has adopted the same approach for similar
reasons [1, 2].
[1]
http://marc.theaimsgroup.com/?l=ant-dev&m=102689870118435&w=2
[2]
http://ant.apache.org/faq.html#delegating-classloader
What do you think?
--
Ceki G�lc�
The complete log4j manual: http://www.qos.ch/log4j/
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