Ehcache Cache Framework and Shiro framework with validation errors && Tomcat Cache cleanup issues

When a project has been used for a long time, there will be a variety of problems, the following is the problem I encountered a permission validation error

My project is Ehcache combined with Shiro, the project used for a long time to appear token validation errors, cookies and the like ... Browser Access appears 500

All kinds of Wonderful

My practice is to clear Google Chrome's cookies, and the automatic form fill function

When you find a deployment project, you can deploy it and open the home page

Error when entering account password to background verification

And the hint is a mistake like token between Ehcache and cookie.

I think it is because the cache has a validation error, but the browser cache has been cleared, this time you can imagine the server above the cache problem is Tomcat

Projects are cached in Tomcat temp and \work\catalina\localhos when the project is running

Clear the project cache in Tomcat to re-run the

Ehcache Cache Framework and Shiro framework with validation errors && Tomcat Cache cleanup issues