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22 lines
1.3 KiB
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22 lines
1.3 KiB
Plaintext
---
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title: 404.js Cannot Have getInitialProps
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description: This document provides an understanding of the "404.js Cannot Have getInitialProps" error in Next.js and offers solutions to fix it.
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---
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## Why This Error Occurred
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The "404.js Cannot Have `getInitialProps`" error usually occurs when either `getInitialProps` or `getServerSideProps` is used in your `404.js` page. The `404.js` page in Next.js is designed to be static to ensure consistent performance.
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## Possible Ways to Fix It
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Adding `getInitialProps` or `getServerSideProps` to your `404.js` page will cause it to be rendered on the server-side.
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To fix this error, you should remove `getInitialProps` from your `404.js` page. Additionally, ensure that no Higher-Order Components (HOCs) used in the `404.js` page are attaching `getInitialProps`.
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If your `404.js` page requires data fetching, we recommend incrementally adopting the App Router and the [`not-found`](/docs/app/api-reference/file-conventions/not-found) file, which does support fetching data before displaying the 404 page.
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## Useful Links
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- [Automatic Static Optimization](/docs/pages/building-your-application/rendering/automatic-static-optimization) - Learn more about how Next.js automatically optimizes your pages for better performance.
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- [`not-found`](/docs/app/api-reference/file-conventions/not-found)
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