java - replicatorg eclipse building -

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i need change parts in ui of replicatorg opensource project 3d printers (see http://replicat.org). downloaded source codes github , opened new project on eclipse using build.xml in replicatorg. when try run on eclipse have message on console: 

java.lang.unsatisfiedlinkerror: no rxtxserial in java.library.path thrown while loading gnu.io.rxtxcommdriver

exception in thread awt-eventqueue-0 java.lang.unsatisfiedlinkerror: no rxtxserial in java.library.path. looked on net seems related rxtx not figure out. can me? thank much...


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