* @param form the install form containing plugin installation details
     * @return HTML response redirecting to the plugin list
     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse install(final InstallForm form) {
        validate(form, messages -> {}, () -> asHtml(path_AdminPlugin_AdminPluginInstallpluginJsp));
        verifyToken(() -> asHtml(path_AdminPlugin_AdminPluginInstallpluginJsp));
        try {