Hi
Try this:
Create 3 properties files named log4j_1211.properties or whatever name
you like and in each properties file (you will have 3 properties files
for your 3 application instances) change the path to the log file.
add -Dlog4j.configuration=log4j.properties to your command line pointing
to each properties file
e.g. java com.sample.MyApp
-Dlog4j.configuration=log4j_1211.properties 1211
java com.sample.MyApp
-Dlog4j.configuration=log4j_1311.properties 1311
java com.sample.MyApp
-Dlog4j.configuration=log4j_1411.properties 1411
This tells log4j to use that particular file for its config.
Hope this helps
Graham Renney
-----Original Message-----
From: Bender Heri [mailto:[EMAIL PROTECTED]
Sent: Monday 06 March 2006 11:20
To: Log4J Users List
Subject: RE: different log4J log files for same application
This issue was discussed last week extensively. See mail archive.
Heri
> -----Original Message-----
> From: waltz co [mailto:[EMAIL PROTECTED]
> Sent: Monday, March 06, 2006 5:26 AM
> To: [email protected]
> Subject: different log4J log files for same application
>
>
> hi,
> i have an application that listens to a specific port to do its
> task.
> this app runs on multiple instances by specifying different ports in
> the argument.
>
> MyApp-1211.bat contains
> java com.sample.MyApp 1211
>
>
> MyApp-1311.bat contains
> java com.sample.MyApp 1311
>
>
> MyApp-1411.bat contains
> java com.sample.MyApp 1411
>
> this application logs to a file. the problem is all 3 instances
> log into a single file, myApp.log. is there a way to tell log4j to use
> different log files, like:
>
> myApp-port1211.log
> myApp-port1311.log
> myApp-port1411.log
>
> can you tell me how do i configure my log4j.properties file to
> achive this? here's my current configuration file:
>
> log4j.rootCategory=DEBUG, R
> log4j.logger.com=DEBUG, R
> log4j.logger.com.sample.MyApp=INFO,stdout
>
> # stdout is console output
> log4j.appender.stdout=org.apache.log4j.ConsoleAppender
> log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
> log4j.appender.stdout.layout.ConversionPattern=%m%n
>
> # R is set to a log file that rolls over to a new file after the
> MaxFileSize size.
> # One backup log file is kept
> log4j.appender.R=org.apache.log4j.RollingFileAppender
> log4j.appender.R.File=../../logs/myApp.log
> log4j.appender.R.MaxFileSize=5000KB
> #Keep one backup file
> log4j.appender.R.MaxBackupIndex=3
> log4j.appender.R.layout=org.apache.log4j.PatternLayout
> log4j.appender.R.layout.ConversionPattern=%d~%p~%c~ %m%n
>
> thanks.
>
>
>
>
>
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