Exception in thread "main" java.lang.NoClassDefFoundError: io/undertow/server/HttpHandler

at com.jfinal.club.common.JFinalClubConfig.main(JFinalClubConfig.java:58)

Caused by: java.lang.ClassNotFoundException: io.undertow.server.HttpHandler

at java.net.URLClassLoader.findClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

... 1 more