intellij idea - java.lang.UnsatisfiedLinkError: no usbJava in java.library.path -

i trying connect arduino java , osx yosemite, getting following error:

exception in thread "main" java.lang.unsatisfiedlinkerror: no usbjava in java.library.path     @ java.lang.classloader.loadlibrary(classloader.java:1865)     @ java.lang.runtime.loadlibrary0(runtime.java:870)     @ java.lang.system.loadlibrary(system.java:1122)     @ ch.ntb.usb.libusbjava.<clinit>(libusbjava.java:366)     @ ch.ntb.usb.usb.init(usb.java:315)     @ org.zu.ardulink.connection.usb.digisparkusbconnection.getportlist(digisparkusbconnection.java:116)     @ org.zu.ardulink.link.getportlist(link.java:217)     @ blinkled.main(blinkled.java:36)     @ sun.reflect.nativemethodaccessorimpl.invoke0(native method)     @ sun.reflect.nativemethodaccessorimpl.invoke(nativemethodaccessorimpl.java:62)     @ sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodaccessorimpl.java:43)     @ java.lang.reflect.method.invoke(method.java:497)     @ com.intellij.rt.execution.application.appmain.main(appmain.java:140) 

this code i'm executing:

public static void main(string[] args) {         try {             link link = link.getdefaultinstance();             link = getdigisparkconnection(); // comment row if use default connection              list<string> portlist = link.getportlist();             if(portlist != null && portlist.size() > 0) {                 string port = portlist.get(0);                 system.out.println("connecting on port: " + port);                 boolean connected = link.connect(port);                 system.out.println("connected:" + connected);                 thread.sleep(2000);                 int power = iprotocol.high;                 while(true) {                     system.out.println("send power:" + power);                     link.sendpowerpinswitch(2, power);                     if(power == iprotocol.high) {                         power = iprotocol.low;                     } else {                         power = iprotocol.high;                     }                     thread.sleep(2000);                 }             } else {                 system.out.println("no port found!");             }          }         catch(exception e) {             e.printstacktrace();         }     }      private static link getdigisparkconnection() {         set<string> protocolnames = protocolhandler.getinstalledprotocolimplementationnames();         simplebinaryprotocol protocol = new simplebinaryprotocol();         if(!protocolnames.contains(simplebinaryprotocol.name)) {             protocolhandler.installprotocolimplementation(protocol);         }         return link.createinstance("digisparkconnection", simplebinaryprotocol.name, new digisparkusbconnection("digisparkconnection", protocol.getincomingmessagedivider()));     } 

when comment 4th line (link = getdigisparkconnection();), following error:

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     @ java.lang.classloader.loadlibrary(classloader.java:1865)     @ java.lang.runtime.loadlibrary0(runtime.java:870)     @ java.lang.system.loadlibrary(system.java:1122)     @ gnu.io.commportidentifier.<clinit>(commportidentifier.java:83)     @ org.zu.ardulink.connection.serial.serialconnection.connect(serialconnection.java:161)     @ org.zu.ardulink.connection.serial.serialconnection.connect(serialconnection.java:139)     @ org.zu.ardulink.connection.serial.serialconnection.connect(serialconnection.java:227)     @ org.zu.ardulink.link.connect(link.java:187)     @ blinkled.main(blinkled.java:37) 

that has native rxtx lib not being able solve it. using intellij idea ide. looking error, i've found linux answers, nothing regarding osx. thanks