Getting error while adding a plugin in blackberrry using phonegap

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Mobile

Blackberry

phone

I inserted barcode scanning plugin in cordova.jar

i follow these steps https://github.com/phonegap/phonegap-plugins/tree/master/BlackBerry/BarcodeScanner But did not get the result while running the program i think there is problem in making a jar file .can you please help me making a jar file.actually i extracted the jar file then inserted the plugin then again make a jar using eclipse.