gnu.io.rxtx.properties has not been detected.怎么解决？

[qq_17231157]

gnu.io.rxtx.properties has not been detected.
There is no consistant means of detecting ports on this operating System. It is necessary to indicate which ports are valid on this system before proper port enumeration can happen. Please check the ports that are valid on this system and select Save。
java通信遇到这个问题，请问各位大神怎么解决？

[魔琴师]

Eclipse中 Run > Run Configure > Main Class > Search
选择你的主main，选gnu.io.Configure就会出现这个问题。