CLFSWM FAQ

* Problems with Java

If you got only a gray window when you are using a Java application, you can have a look at this  Awesome FAQ page

Quick reference : set _JAVA_AWT_WM_NONREPARENTING to 1 as clfswm is a non reparenting window manager.

$ _JAVA_AWT_WM_NONREPARENTING=1; export _JAVA_AWT_WM_NONREPARENTING 

This is a  know bug with non reparenting windows managers.