On Oct 19, 2007, at 3:40 AM, BruceSpring wrote:


Can log4j log special characters? For instance the German umlaut characters?
Umlaut characters are vowels with the two dots above them.


Yes. FileAppender's and the like will by default use the system default encoding which may or may not support a particular character. If you are having problems with getting the expected characters into the output, then explicitly specify an encoding. For example, "UTF-16" and "UTF-8" can represent all unicode characters while "ISO-8859-1" can only represent the first 256 unicode characters (which includes all needed for the Western European languages). If you see mangled characters when you view one of 8-bit files ("UTF-8" or "ISO-8859-1"), it is likely due a mismatch between the files encoding and the encoding assumed by your editor). You could avoid that problem by specifying the "UTF-16" encoding which would not be ambiguous, but would double the file size.



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