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javajsptomcatwebweb.xml

The webpage cannot be found - HTTP 404 JSP page

Experts,

My dynamic web project having 3 JSP page and 3 servlets .. and everthing was working fine till date.

when i executed the same project today, it was showing this below message.

The webpage cannot be found - HTTP 404

I deleted the whole project after trying multiple checks... now in web.xml if i remove the servlets section, its displaying the jsp content. but if i add the servlet back its throwing same page cannot be found :(

no error in project and i dont see any logs in eclipse... can someone please tel me why this is happening? Appreciate your input. Thanks

Solution

  • Below are a few general suggestions on debugging web apps:

    3 and 4 would be the first checks for 404.

    1. Try to start the web app in the debug mode, and place the break point in the servlet method: any hit? (or just put a System.out.println in the Servlet);

    2. Check the structure of the dynamic web project in Eclipse: are the compiled java classes of the servlets in there?

    3. Check the context path (url) of the dynamic web project in eclipse project config: not accidentally changed?

    4. Check the log files of the tomcat (access logs and catalina logs) your dynamic web project is associated with.