java. util. concurrent. Solution to executionexception problem

java. util. concurrent. Executionexception error message. The solution is given here. You can change it according to specific requirements.

Today, running eclipse and Tomcat can't start. I don't know what the situation is. Through investigation, it is found that there is an error in a URL of the controller class in spring MVC

Solution:

1.web. There was a problem with the XML

Check whether the content configured in < URL pattern > < / url pattern > is missing "/", and "/" indicates the current web application.

@WebFilter("/*")

2. If it is springmvc, check whether there is an error in @ requestmapping (value = in the controller class

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