I'm not sure if this will help, but I run Tomcat6 under on Windows and use the
Tomcat Service. The service redirects stdout and stderr to files. For log4j, I
simply define a ConsoleAppender and assign it to the root logger, which gets
directed to the stdout log file. stdout goes to stdout_[current date].log and
stderr goes to stderr_[current date].log without me specifying those log file
names. System.out goes to the stdout log file.
Not sure what the equivalent setup would be on a *nix box, but I'm sure there's
something similar.
Jake
On 4/10/2009 2:30 PM, Olexandr Prokhorenko wrote:
> Hi,
>
> I have an application-wide log4j.properties which logs to stdout, with
> the config like:
>
> log4j.rootLogger=WARN, stdout
> log4j.appender.stdout=org.apache.log4j.ConsoleAppender
> log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
>
> It sends all mess to catalina.out. However, I want to use log4j for
> Tomcat 5.5 logging now. So I configured Tomcat to write WARN to
> tomcat.log and eventually I'll want to receive ERROR by email
> (org.apache.log4j.net.SMTPAppender or just different file work work just
> fine for me). Here's what I've got for conf/log4j.properties (or
> common/classes/log4j.properties, as I basically have a symlink).
>
> log4j.rootLogger=WARN, R
> log4j.appender.R=org.apache.log4j.RollingFileAppender
> log4j.appender.R.File=${catalina.home}/logs/tomcat.log
> log4j.appender.R.MaxFileSize=10MB
> log4j.appender.R.MaxBackupIndex=5
> log4j.appender.R.layout=org.apache.log4j.PatternLayout
> log4j.appender.R.layout.ConversionPattern=%p %t %c - %m%n
>
> log4j.logger.org.apache.catalina.core=WARN, R
> log4j.logger.org.apache.catalina.session=WARN, R
>
> However, it comes that because of my application(s) write directly to
> stdout they don't happen to appear in my server-wide log4j output, their
> messages still go to catalina.out. I changed conf/context.xml to
> include swallowOutput, but it doesn't seem to be working (at least not
> for my stuff):
>
> <Context swallowOutput="true" />
>
> My application(s) still write to catalina.out. What is the best way to
> make it do what I want? Thank you.
>
> P.S. I have more then 20 wars built with log4j.properties which write to
> stdout, so changing this piece is pretty unwelcome. ;) I'd be happy to
> find some server-wide override tool instead. Sometimes I don't even
> know does the application have an explicit stdout output or not. Thank
> you.
>
> --Alexander Prohorenko.
>
>
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