Disable jar resources cache

ClassCache.java

    /**
     * Disable or enable the use of class caching. Workaround for linking to an
     * old jar version while the plugin jar was changed during a reload.
     *
     * @param status should the cache be activated
     * @return if the process succeed.
     */
    public static boolean setClassCache(boolean status) {
        try {
            Field cacheField = URLConnection.class.getDeclaredField("defaultUseCaches");
            cacheField.setAccessible(true);
            cacheField.setBoolean(null, status);
            return true;
        } catch (Exception ex) {
            Logger.getLogger("").log(Level.SEVERE, null, ex);
            return false;
        }
    }