Spring MVC——在名为“appServlet”的DispatcherServlet中，没有使用URI [/demo/test]找到HTTP请求的映射

I'm using Spring MVC to create a small web application. When I try to hit a URL that seems to be mapped properly in my controller, I get a 404. I'm trying to hit /projectname/test- and this is what shows in the log when I attempt to do that:I'm using Spring MVC to create a small web appl