simple log4j question

[Asaf Lahav <as...@primagrid.com>]

Hi,

 

I am trying to use a log4j.properties configuration file and define several
categories.

Code I'm using(found it on a sample code):

                        //this of course has to happen once in the loader
class

                        PropertyConfigurator.configure("log4j.properties");

 

                        // this is what I want to do. extract a logger which
gets a configuration set from the log4j.properties file

                        Logger pgLogger =
LogManager.getLogger("www.pg.com");

                        Logger pgLogger2 =
LogManager.getLogger("www.pg.com2");

 

                        pgLogger.info("my message");

                        pgLogger2.info("my second message");

 

 

This is the properties file content I'm using:

log4j.rootLogger=info, stdout

 

# console

log4j.appender.stdout=org.apache.log4j.ConsoleAppender

log4j.appender.stdout.layout=org.apache.log4j.PatternLayout

# Pattern to output the caller's file name and line number.

log4j.appender.stdout.layout.ConversionPattern=%d %5p [%t] - %m%n

 

# file

log4j.appender.R=org.apache.log4j.RollingFileAppender

log4j.appender.R.File=c:/logs/err.log

 

log4j.appender.R.MaxFileSize=100KB

# Keep one backup file

log4j.appender.R.MaxBackupIndex=5

log4j.appender.R.layout=org.apache.log4j.PatternLayout

log4j.appender.R.layout.ConversionPattern=%d [%t] %c (%F\:%L) - %m%n

 

How am I supposed to configure the properties file in order define those two
(or more) loggers?

 

 

Asaf Lahav

VP R&D, Prima Grid LTD.

Cellular:  972-54-4717955

Phone:   972-3-6540255

Fax:       972-3-6540254



 

Re: simple log4j question

[Curt Arnold <ca...@apache.org>]

On Mar 12, 2006, at 2:50 PM, Asaf Lahav wrote:
> How am I supposed to configure the properties file in order define  
> those two (or more) loggers?

Applications typically use many more loggers than those mentioned in  
the configuration file.  You do not need to mention every logger in  
use in the application in the configuration file, you only need to  
refer to those loggers where their is a change in the rules used to  
process the message.  Your configuration appears to be totally  
adequate as long as you want to route all messages of info level or  
higher on any logger to the console.


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