I have a class that imports some servlet libraries. When I compile it from command-line it is fine.
When I use the ant compile task to compile it, it gives the errors t
For some reason, the JAR file containing the Servlet API is part of your classpath when you compile your program in command line. However, it's not in the classpath of the javac
Ant task.
You should explicitely add the JAR file to the classpath in your javac
Ant task. There are several ways to do that; please read http://ant.apache.org/manual/Tasks/javac.html