How to create a custom error page in Next.js ?
NextJS is a react based framework which gives a developer all the features needed for production. Next.js is a react based framework. It has powers to Develop beautiful Web application for different platform like Windows, Linux and mac.
In this post we are going to create a custom error page or a custom 404 page in a Next JS website.
What is a custom error / 404 page?
The 404 page is shown when the requested resource or the requested URL cannot be found on the server and as a response, it returns a 404 page. By default Next Js provides a static 404 page as shown below:
Creating a custom error / 404 page
To create a custom 404 page, you first need to create a “404.js” named file in your pages directory. This file is statically generated at build time.
In this page create and export a custom component and the rest will be taken care of by Next Js.
Example: Creating a custom error page in Next.js. Write down the following code in 404.js file.
Step to Run the application: Now to start the development server you have to type the below command in the terminal.
npm run dev
Output: And now let us go to a non-existing page on the website to encounter the 404 error.
Note: You can use getStaticProps inside this page if you need to fetch data at build time.
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