This looks good, but I have a follow-up question.  While the log4j doc
doesn't explain or even say this that I can see, the DatedFileAppender
doc says it is better than the RollingFileAppender because you don't
have to worry about whether the log file is closed.  More importantly,
it says that RollngFileAppender requires that a specific message be sent
to the log to make it happen.  What is that about?  Are these the only
two differences in terms of daily operation?  Thanks.

Ken

-----Original Message-----
From: Burton Strauss [mailto:[EMAIL PROTECTED] 
Sent: Thursday, December 01, 2005 10:41 AM
To: 'Log4J Users List'
Subject: RE: Automatic "Daily" logging files

Look at this:

http://logging.apache.org/log4j/docs/api/org/apache/log4j/DailyRollingFi
leAp
pender.html 

I think that does what you want... And more...

-----Burton

-----Original Message-----
From: Kenneth Litwak [mailto:[EMAIL PROTECTED] 
Sent: Thursday, December 01, 2005 12:35 PM
To: [email protected]
Subject: Automatic "Daily" logging files

  I am trying to change how we keep logged data.  In my IBM mainframe
days,
there was a way to get automatic log files with names based upon the
day,
without ever bringing the application down.  So there would be the
following, simplified:
ApplicationData11212005.log
ApplicationData11222005.log
ApplicationData11232005.log

I'm trying to find a way to get log4j to do this.  I don't' want to stop
my
application or have to manually have a sys admin make a backup of the
current log files and give the copies a new name like this, but I want
to be
able to not have one huge log file and yet be able to go back to logging
data from a specific date to track down errors.  Can this be done
automatically through configuration?  Thanks.


Ken

 Kenneth D. Litwak
Software Engineer III
IMT
Azusa Pacific University
901 E. Alosta
Azusa, CA 91702


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