Setting up RXTX on Mac OSX Leopard
I needed to set up RXTX to interface with USB/Serial connections from my Mac. I was getting the following eror:
java.lang.UnsatisfiedLinkError: no rxtxSerial in java.library.path thrown while loading gnu.io.RXTXCommDriver Exception in thread "main" java.lang.UnsatisfiedLinkError: no rxtxSerial in java.library.path
To overcome this I followed the instructions on the rxtx.org Mac OSX installation guide, and used the rxtx-2.1-7r2.zip download. I copied the files RXTXcomm.jar and i686-apple-darwin9.4.0/librxtxSerial.jnilib (this file might be in a slightly different directory, depending on your system architecture) to /Library/Java/Extensions - to make RXTX available to all users.
This fixed the problems 
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