Hi, Our current java does not support swing. To reproduce, first install java and clojure. Then start the clojure repl by running: $ ~/.guix-profile/bin/java -cp ~/.guix-profile/share/java/clojure-1.8.0.jar clojure.main
Then try the repl by typing: => (+ 1 2 3) 6 Now run: => (javax.swing.JOptionPane/showMessageDialog nil "Hello World") NullPointerException sun.awt.FontConfiguration.getVersion (FontConfiguration.java:1264) Note that the above test case is taken from <https://clojure.org/guides/getting_started>. In contrast, if we replace ~/.guix-profile/bin/java by /usr/bin/java in the command, we do not get a nullpointerexception (my base distro is debian testing). So there should be a problem in our java build. Any ideas? Thanks, Alex
