Tente Usar assim.
REM -------------------------------------
REM Default parameters for a basic server.
java -Dfile.encoding=UTF-8 -Xmx1536m -cp bsf.jar;bsh-engine.jar;bsh- .....
REM If you have a big server and lots of memory, you could experiment for example with
REM java -server -Xmx1536m -Xms3072m -Xmn512m -XX:PermSize=256m -XX:SurvivorRatio=8 -Xnoclassgc -XX:+AggressiveOpts
REM -------------------------------------
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