How do I set -Dfile.encoding within ant's build.xml?

Question

I\'ve got java source files with iso-8859-1 encoding. When I run ant, I get \"warning: unmappable character for encoding UTF-8\". I can avoid this if I run an

Answer 1

A few options:

1. add -Dfile.encoding=iso-8859-1 to your ANT_OPTS environment variable
2. use to setup defaults for all of your invocations