How to display validation error messages in JSP (Solved.
With this declaration, if any 404 error occurred, your own error page is displayed to the user (Error404.jsp page in the above example). Note that your custom error page is relative to the web application’s context root. In your own error handling page, you can hide the technical information by showing only readable message to the user.
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All common web frameworks (Struts, Stripes, JSF, etc.) have this functionality -displaying error messages next to input fields that failed a valiadtion- built in, by the way. You may want to check out some of those frameworks.
If it's showing an error, in other words something is missing, then recheck your JSP code and try again else you will get the same message as in the following. Step 10 For confirmation of the mail go to the receive mail inbox (those mail-ids that you provide in the sending page) or go to your mail-id and check the sent mail items.
This post provides a framework you can use to write clear, and understandable error messages, that won't leave your users dazzled.
JSP - Servlets: A servlet example This section is going to show you a step by step to implement a simple servlet example and run it.. Message body, this message body is optional. It contains the data entered or files uploaded by the user to be sent to the server.. Write to the response using the println method of the response writer.
In this example you will see how to validate the user registration form that we created in the previous example.To validate the form fields all you need to do is to have a seperate UserValidator.