Struts2 was upgraded to struts2.3.32 (error, action not found)

There are loopholes in the lower version of struts2, upgrade to struts2.3.32 to

see the link:
see the upgrade process:
http://www.cnblogs.com/lr393993507/p/5466476.html

Can't find the action to see:
http://www.ablanxue. com/shtml/201703/36219_1.shtml

Another:
Tomcat loading jar package problem! (Forget it will load all lib packages, resulting in multiple unsuccessful tests!)