I had the same issue using Ubuntu and I resolved it this way:
Edit your netbeans.conf and add this line in your “netbeans_default_options” string
-laf Nimbus -J-Dswing.aatext=true -J-Dawt.useSystemAAFontSettings=lcd”
so you finally have something like:
> netbeans_default_options=”-J-client -J-Xss2m -J-Xms32m -J-XX:PermSize=32m -J-Dapple.laf.useScreenMenuBar=true -J-Dapple.awt.graphics.UseQuartz=true -J-Dsun.java2d.noddraw=true –laf Nimbus -J-Dswing.aatext=true -J-Dawt.useSystemAAFontSettings=lcd”














