I am trying to write a Java applet that will read from a user\'s serial port. For this I am using the Java Comm API in conjuction with the RXTX library. I\'ve successfully m
Frankly, trying to access devices from a Java applet is a bad idea even if you could make it work, and loading a dynamic library into the conventional applet is an even worse idea; in fact, I'd be astounded if you could find a way to trick a modern browser into doing it. (Consider the possible security implications.)
You're better off, as suggested on other questions, building an app that can be launched with Web Start.