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From Curt Arnold <carn...@apache.org>
Subject Re: Possible to get unambiguous timestamp with v1.2.15 ?
Date Fri, 05 Feb 2010 02:34:33 GMT
Check out the EnhancedPatternLayout in the log4j extras companion, http://logging.apache.org/log4j/companions/extras/.
 It is an enhanced version of PatternLayout that is usage-compatible.  Basically, add log4j-extras.jar
to your path, change the Layout class to EnhancedPatternLayout and use a pattern like %d{HH:mm:ss}{GMT}
or whatever any other recognized timezone in the second set of braces.

Performance of SimpleDateFormat is a significant issue.  PatternLayout has an independent
implementation, EnhancedPatternLayout wraps a cache around SimpleDateFormat to avoid calling
it repeatedly for timestamps within an interval.


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