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

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.

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.

if you are using tomcat you may try this

<servlet-mapping>

    <http-method>POST</http-method>

</servlet-mapping>

in addition to <servlet-name> and <url-mapping>

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.