Severe:error Configuring application Listener of Class Org.springframework.web.context.ContextLoade

Creating a clean spring MVC after booting with Tomcat has always shown the following error, finding a lot of methods on the web and not solving the problem, eventually finding the ultimate solution
Error message: Severe:error Configuring Application Listener of Class Org.springframework.web.context.ContextLoaderListener
Solution:
1. Open the Project Properties dialog box, go to the Deployment assembly page, click Add
2. Select Jave Build Path Entries
3. Add the library to which the program is used
4. Re-run server should not see this problem

Severe:error Configuring application Listener of Class Org.springframework.web.context.ContextLoade