of course you can restart your app, but it's not sufficient answer to the problem. Apparently long time ago hot swapping was scheduled around Java 9, but they d

of course you can restart your app, but it's not sufficient answer to the problem. Apparently long time ago hot swapping was scheduled around Java 9, but they didn't progress with it since then. See JEP-159 for more details: http://openjdk.java.net/jeps/159 http://openjdk.java.net/jeps/159