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From Rainer Jung <>
Subject Re: Juli/Logging
Date Wed, 01 Aug 2007 08:30:04 GMT
David Blevins wrote:
>> My personal opinion: java.util.logging very much lacks a good 
>> formatter. The default 2 line formatting of messages, splitting 
>> timestamps and message in separate lines, is not really useful in 
>> production. Many ad hoc log analysis practices work on a line oriented 
>> basis.
> Was wondering about that.  I've heard people grumble about 
> java.util.logging, but haven't (till now) heard anything specific.  
> Maybe I wasn't paying close enough attention, but the Tomcat 6 log files 
> still seem to follow the one line per message format.  How did you pull 
> that off?

That's what I get:

Aug 1, 2007 10:26:37 AM org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-28680
Aug 1, 2007 10:26:37 AM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 2854 ms
Aug 1, 2007 10:26:37 AM org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
Aug 1, 2007 10:26:37 AM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.13
Aug 1, 2007 10:26:40 AM org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-28680

One line for timestamp, class and method, a second line for log level 
and message. That's the format of the default formatter, the simple log 

That's why it would be nice if someone took the burden of writing a 
better log formatter for j.u.l.



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