nextjs runtime_error ai_generated true

Error: Server Actions are not supported in this environment. Ensure the server is configured to handle POST requests to the /_next/data/... endpoint.

ID: nextjs/missing-server-actions-endpoint

Also available as: JSON · Markdown · 中文
80%Fix Rate
85%Confidence
1Evidence
2024-06-15First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
Next.js 13.4+ active — — —
Next.js 14.x active — — —
Next.js 15.x active — — —

Root Cause

Server Actions require the Next.js server to handle POST requests to the /_next/data/... endpoint, but the deployment (e.g., static export, custom server, or edge runtime) does not support this.

generic

中文

服务器操作要求 Next.js 服务器处理对 /_next/data/... 端点的 POST 请求，但部署（例如静态导出、自定义服务器或边缘运行时）不支持此操作。

Official Documentation

https://nextjs.org/docs/app/building-your-application/data-fetching/server-actions#server-actions-with-static-export

Workarounds

  1. 85% success Ensure the deployment supports Server Actions: use Node.js runtime (not edge) and avoid static export. In next.config.js, set `experimental.serverActions: true` if on Next.js 13/14, or remove the flag in 15+. For static export, switch to API routes. 
    Ensure the deployment supports Server Actions: use Node.js runtime (not edge) and avoid static export. In next.config.js, set `experimental.serverActions: true` if on Next.js 13/14, or remove the flag in 15+. For static export, switch to API routes.
  2. 90% success Refactor the Server Action to an API route: create a route handler at app/api/action/route.ts and call it from the client with fetch. 
    Refactor the Server Action to an API route: create a route handler at app/api/action/route.ts and call it from the client with fetch.

中文步骤

  1. Ensure the deployment supports Server Actions: use Node.js runtime (not edge) and avoid static export. In next.config.js, set `experimental.serverActions: true` if on Next.js 13/14, or remove the flag in 15+. For static export, switch to API routes.
  2. Refactor the Server Action to an API route: create a route handler at app/api/action/route.ts and call it from the client with fetch.

Dead Ends

Common approaches that don't work:

  1. 70% fail

    'use server' must be in a separate file or at the top of a server component; client components cannot directly export server actions.

  2. 90% fail

    This prevents the server from processing the action entirely, breaking the feature.

  3. 60% fail

    Server Actions are designed to be invoked via form actions or the useTransition hook, not raw fetch; this bypasses security and serialization.