Re: Log4J doesn't work at all

That system property stuff only applies to commons-logging, not Log4j.  Look 
more closely at the instructions [1].

BTW, are you using commons-logging-api.jar?  If so, that's the problem.  You 
need commons-logging.jar.  See the commons-logging release notes [2].

[1] http://hc.apache.org/httpcomponents-client-ga/logging.html
[2] http://commons.apache.org/logging/RELEASE-NOTES.txt

Jake

On Tue, 10 Apr 2012 12:23:55 +0200
 tommmmmm <tommmmmm <at> gmail.com> wrote:
>From: http://hc.apache.org/httpcomponents-client-ga/logging.html
> I copy pasted
> 
> log4j.rootLogger=INFO, stdout
> 
> log4j.appender.stdout=org.apache.log4j.ConsoleAppender
> log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
> log4j.appender.stdout.layout.ConversionPattern=%5p [%c] %m%n
> 
> log4j.logger.org.apache.http=DEBUG
> log4j.logger.org.apache.http.wire=ERROR
> 
> Into a file I named log4j.properties that I put into src folder a'ka
> <default package>
> 
> 
> Didn't work at all.
> 
> 
> Then I put this in my class:
> 
> System.setProperty("log4j.rootLogger", "INFO, stdout");
> 
> System.setProperty("log4j.appender.stdout",
> "org.apache.log4j.ConsoleAppender");
> 
> System.setProperty("log4j.appender.stdout.layout",
> "org.apache.log4j.PatternLayout");
> 
> System.setProperty("log4j.appender.stdout.layout.ConversionPattern",
> "%5p [%c] %m%n");
> 
> System.setProperty("log4j.logger.org.apache.http.client", "DEBUG");
> 
> System.setProperty("log4j.logger.org.apache.http", "DEBUG");
> 
> System.setProperty("log4j.logger.org.apache.http.wire", "DEBUG");
> 
> 
> Yet it didn't work at all either. No additional output was produced.
> 
> 
> How do you make it work?
> 
> 
> ps: at: http://logging.apache.org/log4j/1.2/manual.html
> 
> It's not written how to do it (empty paragraph "Example
> Configurations" and non empty yet ultimately useless Tomcat
> paragraph).