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!
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As I know javax.comm is no longer been in action. – Thusitha Thilina Dayaratne Aug 25 '14 at 09:26
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But i couldn't get jssc or rxtx to work on 32 bit, and i just don't have any ideas what could be causing it. – user3673938 Aug 25 '14 at 09:49
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do you have a real serial port on your computer or is it a virtual usb serial port? – Martin Frank Aug 25 '14 at 10:03
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it might sound stupid, but i had some issues with usb<-->serial connectors... have you tried to unplug the usb-connector to different usb-port? – Martin Frank Aug 25 '14 at 10:08
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I had the same problem on different computers. It works on computers that run 64 bit systems, but not on 32 – user3673938 Aug 25 '14 at 11:03
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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.
user3673938
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I have same problem. Can you explain what exactly you did? I've tried to remove than add again jssc.jar but the error is same whatever i do. Always port is busy. – Josef Jan 26 '16 at 07:50
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I didn't use jssc, I ended up using rxtx. But it's not a great solution because i have to manually copy the rxtx.dll in the Java installation folder of the computer that I want to run my program on. But still, it works. – user3673938 Jan 27 '16 at 08:41