The current Firefox 52.1.1 esr version should still support the Java plugin AFAIK.Make sure that you have the Java plugin present in the correct location in case the Java updater didn't do this properly.
The current Firefox 52.1.1 esr version should still support the Java plugin AFAIK.Make sure that you have the Java plugin present in the correct location in case the Java updater didn't do this properly.