arduino ide安装问题 1. 无法在模块路径中找到主题引擎：“murrine” # sudo pacman -Sy gtk-engine-murrine 2. java.lang.UnsatisfiedLinkError: sun.font.FreetypeFontScaler.initIDs # sudo pacman -Sy jdk8 3. java.lang.NullPointerException at processing.app.BaseNoGui.onBoardOrPortChange # sudo pacman -S arduino-avr-core