Posted by gouessej on May 30, 2012; 8:22am
URL: https://forum.jogamp.org/NEWT-KeyEvents-behaving-odd-in-Linux-tp4021912p4022110.html

Hi

It's not that strange, AWT has the same behavior under GNU Linux, it is explained in the Java documentation of the class java.awt.KeyEvent. This behavior is not the same than under Windows. Maybe try to disable auto-repeat (look at the man of xset).

Edit.: a potential "fix" can be found here:
http://tech.stolsvik.com/2010/05/linux-java-repeats-released-keyevents.html