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From "Prastein, Rebeccah H" <>
Subject RE: How to set Log4J debug flag in Tomcat
Date Fri, 12 Dec 2008 02:06:40 GMT
I'll take a look, thanks.


-----Original Message-----
From: André Warnier [] 
Sent: Wednesday, December 10, 2008 4:51 PM
To: Tomcat Users List
Subject: Re: How to set Log4J debug flag in Tomcat

Prastein, Rebeccah H wrote:
> How do I start tomcat as an application (not a service) and set the 
> log4j debug commandline parameter?
> I tried editing startup.bat to prepend -Dlog4j.debug to 
> %CMD_LINE_ARGS%, but I get the following error on startup, and I don't 
> see any log4j debug output:
> usage: java org.apache.catalina.startup.Catalina [ -config {pathname} 
> ] [ -nonaming ] { start | stop }
Sounds like your added switch gets added at the end, after the -jar.
I don't have a Windows Tomcat handy, but you might try to add it in JAVA_OPTS instead, like
JAVA_OPTS="$JAVA_OPTS -Dlog4j.debug"
(Unix version)
Maybe in sentenv.bat, if it exists ?

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