getting error HTTP Status 405 - HTTP method GET is not supported by this URL but not used get ever

Question

I m a beginner and making a small registration program with database But i m trying to run this but it s giving me some errors pls help   HTTP Status 405 - HTTP method GET is not supported by this URL  type Status report  message HTTP method GET is not supported by this URL  description The specified HTTP method is not allowed for the requested resource  Apache Tomcat 8 0 5   And here is my register html codes    lt html gt   lt head lang  en  gt       lt meta charset  UTF-8  gt       lt title gt  lt  title gt   lt  head gt   lt body gt   lt form action  Register  method  post  gt      Name   lt input type  text  name  name  gt      Email   lt input type  text  name  email  gt      Password   lt input type  password  name  password  gt      Country        lt select name  userCountry  gt           lt option gt India lt  option gt           lt option gt Pakistan lt  option gt           lt option gt Other lt  option gt       lt  select gt  lt br gt  lt br gt        lt input type  submit  value  register  gt   lt  form gt   lt  body gt   lt  html gt    Here is my Register java codes   import java sql    import javax servlet    import javax servlet http    import java io     public class Register extends HttpServlet      public void doPost HttpServletRequest request  HttpServletResponse response throws ServletException  IOException          response setContentType  text html            PrintWriter out response getWriter             String n request getParameter  name            String p request getParameter  password            String e request getParameter  email            String c request getParameter  userCountry             try              Connection con DriverManager getConnection                       jdbc mysql   localhost 8888    root    1234                              PreparedStatement ps con prepareStatement  insert into REGISTERUSER values                             ps setString 1 n               ps setString 2 p               ps setString 3 e               ps setString 4 c                int i ps executeUpdate                if i gt 0                   out print  Registered successfully                              catch Exception d  d printStackTrace             out close              And here is my Web xml    lt  xml version  1 0  encoding  UTF-8   gt   lt web-app xmlns  http   xmlns jcp org xml ns javaee           xmlns xsi  http   www w3 org 2001 XMLSchema-instance           xsi schemaLocation  http   xmlns jcp org xml ns javaee http   xmlns jcp org xml ns javaee web-app 3 1 xsd           version  3 1  gt        lt servlet gt           lt servlet-name gt Register lt  servlet-name gt           lt servlet-class gt Register lt  servlet-class gt       lt  servlet gt       lt servlet-mapping gt           lt servlet-name gt Register lt  servlet-name gt           lt url-pattern gt  register html lt  url-pattern gt       lt  servlet-mapping gt       lt welcome-file-list gt           lt welcome-file gt register html lt  welcome-file gt       lt  welcome-file-list gt   lt  web-app gt    Help would be appreciated

User · Accepted Answer

The problem is that you mapped your servlet to /register.html and it expects POST method, because you implemented only doPost() method. So when you open register.html page, it will not open html page with the form but servlet that handles the form data.

Alternatively when you submit POST form to non-existing URL, web container will display 405 error (method not allowed) instead of 404 (not found).

To fix:

<servlet-mapping>
    <servlet-name>Register</servlet-name>
    <url-pattern>/Register</url-pattern>
</servlet-mapping>

User · Answer

Override service method like this    protected void service HttpServletRequest request  HttpServletResponse   response  throws ServletException  IOException           doPost request  response       And Voila

User · Answer

I think your issue may be in the url pattern  Changing   lt servlet-mapping gt       lt servlet-name gt Register lt  servlet-name gt       lt url-pattern gt  Register lt  url-pattern gt   lt  servlet-mapping gt    and   lt form action   Register  method  post  gt    may fix your problem

[java] getting error HTTP Status 405 - HTTP method GET is not supported by this URL but not used `get` ever?

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