Tomcat Error: Wrapper cannot find servlet class ...

When Tomcat publishes the project, it enters the correct address in the browser and encounters the following issues:

HTTP Status 500-

Javax.servlet.ServletException:Wrapper cannot find servlet class XXX or a class it depends on

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Java.lang.ClassNotFoundException:xxx

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Problem Analysis:

is the <servle-mapping> and <servlet-class> content in the Web. xml file misconfigured?

1. Are the two name consistent 2. The configured class does not have a 3.servlet class that is not compiled so that the servlet class cannot be found;

method: View the class file of the Servlet class under the project's class directory to see if the compilation exists.

There is usually a class file that does not exist for compilation.

Solution:

Eclipse opens project->bulid automatically, and then deploys the release, and if there are no other errors, it will work properly after compilation.

Tomcat Error: Wrapper cannot find servlet class ...