購買Humble Bundle的游戲，玩 Revenge Of The Titans 時，開始要輸入自己的名字，結果發現不能輸入
打開終端運行，發現：
Loading: net.java.games.input.LinuxEnvironmentPlugin
Failed to open device (/dev/input/event8): Failed to open device /dev/input/event8 (13)
Failed to open device (/dev/input/event7): Failed to open device /dev/input/event7 (13)
Failed to open device (/dev/input/event6): Failed to open device /dev/input/event6 (13)
Failed to open device (/dev/input/event5): Failed to open device /dev/input/event5 (13)
Failed to open device (/dev/input/event4): Failed to open device /dev/input/event4 (13)
Failed to open device (/dev/input/event3): Failed to open device /dev/input/event3 (13)
Failed to open device (/dev/input/event2): Failed to open device /dev/input/event2 (13)
Failed to open device (/dev/input/event1): Failed to open device /dev/input/event1 (13)
Failed to open device (/dev/input/event0): Failed to open device /dev/input/event0 (13)
Linux plugin claims to have found 0 controllers
使用root權限運行，一切正常，查閱了一些資料，應該是ibus和java的沖突問題，把ibus退出，也可以正常輸入了。
類似的使用Java環境的游戲也有這種問題，譬如Minecraft
