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From Remy Maucherat <>
Subject Re: [logging] Better support for stack walking
Date Tue, 23 Jul 2002 12:59:56 GMT wrote:
> This is a problem we have on tomcat, as part of the transition
> to commons-logging. We would like to be able to preserve the 
> existing Logger interface, for backward compatibility and to
> allow a smoother transition. 
> The problem is that the current implementation of the adapters
> will report the class/method who called commons-logging ( i.e.
> Logger ).
> There are few possible solutions, with little or no effect on
> the API. 
> The first is to use LogFactory.setAttribute() to pass the information
> about the 'wrapper class'. This will be used in walking the 
> stack trace or passed to log4j ( or other logger impl. that 
> support this ). No API change will be needed.
> An alternative is to add a setAttribute() method to Log, or
> to add a specialised setWrapperClass() to Log. This will allow
> the stack filter to be specified for each log.
> What do you think ? We do have a real need for this feature - 
> and the impact on API is very small. 

If it does work, I'd go with the "no API change" solution ;-)
You have my non binding +1.


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