Why does my servlet give a 404 error?
There are many reasons why a servlet container may issue an HTTP 404 error for a servlet. You should check you have added a servlet configuration and mapping to your web.xml file and make sure you are requesting the URL path specified in the mapping. If your servlet compiles successfully, another possibility is that it throws a ServletException in the init(ServletConfig) method. If so, the servlet container will log the exception and take the servlet out of service. Check your log files for any details. Actions: Follow-up, clarify or correct this answer. Submit a new question.
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