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From Jess Holle <je...@ptc.com>
Subject Re: will there be a parameterized message in log4j like it is in slf4j?
Date Sun, 04 Oct 2009 18:53:10 GMT

> Code using using org.apache.log4j.Logger would continue to work as is, 
> ensuring backward compatibility, at least as far as the log4j 
> signatures are concerned. Users who rely on the fact that the message 
> argument was an Object instead of String would need to modify few 
> lines of code. In the worst case, this change could cause loss of 
> logging information but would NOT cause compile-time problems or 
> issues related to method signatures.
This is a key ability in log4j, which I for one leverage to pass 
complex, structured data to specialized loggers, e.g. to dissect these 
structures and place various fields into separate relational database 
columns.

Losing first class access to such abilities is a non-starter.

--
Jess Holle


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