I can't get serial communication to work with my Java application on 32 bit systems, both Windows XP and 7. I've tried jssc and all i get is "Port Busy". The solution from Oracle doesn't give "Port Busy", but it just hangs, doesn't read any data. Everything works fine on 64 bit systems. Any idea what i might be doing wrong that causes it not to work on 32 bit? Other serial comm libraries that you might have used with success on 32 bit systems? Thank you!
Java serial communication on 32 bit system
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It turns out it was a packaging problem. Somehow the serial communication library didn't get packaged right. We redid it and now everything works.