Static logger instaces are sometime inconvenient

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Logger instances are stored in static fields in SubEthaSMTP. This was the 
standard practice (although not with SLF4J), because it is a bit faster and 
requires less memory. On the other hand, it causes inconvenience when using 
JMockit, see http://code.google.com/p/jmockit/issues/detail?id=103 . Static 
loggers are also problematic if the library is shared by more web applications. 

I believe in an IO related library like SubEthaSMTP the performance and memory 
advantages are negligible. I use instance loggers in much finer grained 
objects, without any noticeable effect. If you agree, I prepare a patch which 
converts static to instance log variables.

Original issue reported on code.google.com by hontvari@flyordie.com on 25 Oct 2010 at 9:41

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Original comment by lhori...@gmail.com on 2 Nov 2010 at 6:17

• Added labels: Type-Enhancement
• Removed labels: Type-Defect

[trixpan]

+1 to this. Would be great to be able to design logging