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Re: Log4J doesn't work at all

by Jacob Kjome :: Rate this Message:

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@...> 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).

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« Return to Thread: Log4J doesn't work at all