为什么我的Spring Security login.jsp呕吐CSS以及如何修复它？

I have created a custom login page for a legacy java web app using Spring Security and a JSP page. The legacy app does NOT use Spring MVC. I preview it in MyEclipse and it applies my CSS styles. But when I run it in debug mode and look at it with Firefox it has problems. 1) The CSS is not rendered. 2) After submitting the form, it gets redirected to the CSS file, so the browser shows the text of the CSS file!I have created a custom login page for a legacy