thanks to Ken! Oh, I have just find how to run the Servlet rightly. I am under windows 2000 If I run "run.bat " all is OK, but I always run "java -jar run.jar", so I can not get it. that is to say, we must put the "run.jar" in the CLASSPATH. Sam Liu. 2001/04/04 ,ǫx%I,ǫ+-.ǟaX(~zwXb?,