HTTP Status 405 - HTTP method POST is not supported by this URL java servlet

Question

I am having trouble getting the page to work  I have my form method to post and my servlet implements doPost    However  it keeps showing me that I am not supporting the POST method    I am just trying to do a simple website and insert values into my MySQL DB    type Status report message HTTP method POST is not supported by this URL description The specified HTTP method is not allowed for the requested resource  HTTP method POST is not supported by this URL      the static page    lt  xml version  1 0  encoding  utf-8   gt   lt  DOCTYPE html PUBLIC  -  WAPFORUM  DTD XHTML Mobile 1 0  EN           http   www wapforum org DTD xhtml-mobile10 dtd   gt    lt html xmlns  http   www w3 org 1999 xhtml  gt       lt head gt           lt title gt XHTML Mobile Profile Document lt  title gt           lt  --              Change href  style css  below to the file name and             relative path or URL of your external style sheet            -- gt            lt link rel  stylesheet  href  index css  type  text css   gt           lt  --           lt style gt  document-wide styles would go here  lt  style gt          -- gt       lt  head gt       lt body gt            lt h1 gt  Register Here  lt  h1 gt          lt form action  regSuccess do  method    POST  gt           UserName   lt input type  text  name  txtregUsername  size  15  maxlength  15  gt                      lt br  gt           Password   lt input type  password  name  txtregPassword  size  15                       maxlength  15  gt  lt br  gt           Name   lt input type  text  name  txtregName  size  20  maxlength  30  gt  lt br  gt           Email   lt input type  text  name  txtregEmail  size  20  maxlength  30  gt                   lt br  gt  lt br  gt                   lt input type  submit  name  btnRegister  value  Register Me   gt           lt  form gt       lt  body gt   lt  html gt    the servlet   package core   import java io    import java util logging Level  import java util logging Logger  import javax servlet    import javax servlet http    import java sql     public class handlingReg extends HttpServlet          database parameters     private static final String db server    localhost        private static final String db name   bus guide       private Connection con   null         init of connection to dabatase     public void init ServletConfig config  throws ServletException       try           Class forName  com mysql jdbc Driver   newInstance                  catch  Exception e            System out println  Exception in init    unable to load JDBC DriverA                  try       con   DriverManager getConnection  jdbc mysql      db server   db name    root                 System out println  conn    con                 catch  Exception e            System out println e getMessage                           end init        public void doPost HttpServletRequest request  HttpServletResponse response      throws ServletException  IOException            response handling         response setContentType  text html           PrintWriter out   response getWriter              handling request        String enteredUsername   request getParameter  txtregUsername           String enteredPw   request getParameter  txtregPassword           String enteredName   request getParameter  txtregName           String enteredEmail   request getParameter  txtregEmail               inserting values into database         try               Statement stmnt   con createStatement                stmnt executeUpdate  INSERT INTO regUsers VALUES    enteredUsername       enteredPw       enteredName       enteredEmail                  catch  SQLException ex                System out println ex getMessage                         output html out println             out println   lt  xml version     1 0   encoding    utf-8    gt            out println   lt  DOCTYPE html PUBLIC   -  WAPFORUM DTD XHTML Mobile 1 0  EN             out println        http   www wapforum org DTD xhtml-mobile10 dtd   gt            out println   lt html xmlns   http   www w3 org 1000 xhtml   gt             out println   lt head gt            out println   lt title gt  lt  title gt            out println   lt  head gt            out println   lt body gt            out println  Register Success            out println   lt a href     index xhtml   gt  Click here to go back to main page                        lt  a gt            out println   lt  body gt            out println   lt  html gt                web xml    lt  xml version  1 0  encoding  ISO-8859-1   gt   lt web-app xmlns  http   java sun com xml ns j2ee      xmlns xsi  http   www w3 org 2001 XMLSchema-instance      xsi schemaLocation  http   java sun com xml ns j2ee web-app 2 4 xsd      version  2 4  gt     lt  --Self declared servlet mapping starts here-- gt    lt servlet gt     lt servlet-name gt handleRegister lt  servlet-name gt     lt servlet-class gt core handlingReg lt  servlet-class gt    lt  servlet gt     lt servlet-mapping gt     lt servlet-name gt handleRegister lt  servlet-name gt     lt url-pattern gt  regSuccess do lt  url-pattern gt    lt  servlet-mapping gt     lt  --Self declared servlet mapping ends here-- gt      lt servlet-mapping gt     lt servlet-name gt invoker lt  servlet-name gt     lt url-pattern gt  servlet   lt  url-pattern gt    lt  servlet-mapping gt    lt mime-mapping gt     lt extension gt xhtml lt  extension gt     lt mime-type gt text html lt  mime-type gt    lt  mime-mapping gt    lt mime-mapping gt     lt extension gt jad lt  extension gt     lt mime-type gt text vnd sun j2me app-descriptor lt  mime-type gt    lt  mime-mapping gt    lt mime-mapping gt     lt extension gt jar lt  extension gt     lt mime-type gt application java-archive lt  mime-type gt    lt  mime-mapping gt   lt  web-app gt    edit removed  doGet request response

User · Answer

If you re still facing the issue even after replacing doGet   with doPost   and changing the form method  post   Try clearing the cache of the browser or hit the URL in another browser or incognito private mode  It may works   For best practices  please follow this link  https   www oracle com technetwork articles javase servlets-jsp-140445 html

User · Answer

It s because you re calling doGet   without actually implementing doGet    It s the default implementation of doGet   that throws the error saying the method is not supported

User · Answer

if you are using tomcat you may try this   lt servlet-mapping gt        lt http-method gt POST lt  http-method gt    lt  servlet-mapping gt    in addition to  lt servlet-name gt  and  lt url-mapping gt

User · Answer

This happened to me when     Even with my servlet having only the method  doPost  And the form method  POST  I tried to access the action using the URL directly  without using the form submitt  Since the default method for the URL is the doGet method  when you don t use the form submit  you ll see   your console the http 405 error    Solution  Use only the form button you mapped to your servlet action

User · Answer

It says  POST not supported   so the request is not calling your servlet  If I were you  I will issue a GET  e g  access using a browser  to the exact URL you are issuing your POST request  and see what you get  I bet you ll see something unexpected

[java] HTTP Status 405 - HTTP method POST is not supported by this URL java servlet

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