TypeError：无法读取 null、webpack 的属性“哈希”答案

【问题标题】：TypeError: Cannot read property 'hash' of null, webpackTypeError：无法读取 null、webpack 的属性“哈希”
【发布时间】：2021-10-02 05:42:46
【问题描述】：

我正在尝试构建我的 nextjs 项目，但每次都失败。项目在开发中没有任何错误，但在构建中失败。尝试删除 node_modules 并重新安装软件包，但没有成功。

找了好久终于找到了duplicate，不过已经被作者删掉了。

构建日志

> next build

info  - Loaded env from /home/user/Documents/projects/webdev/myproject/.env.local
info  - Using webpack 5. Reason: Enabled by default https://nextjs.org/docs/messages/webpack5
info  - Checking validity of types
info  - Creating an optimized production build .../home/user/Documents/projects/webdev/myproject/node_modules/next/dist/compiled/webpack/bundle5.js:59190
                                                                processContextHashSnapshot(path, tsh.hash);
                                                                                                     ^

TypeError: Cannot read property 'hash' of null
    at callback (/home/user/Documents/projects/webdev/myproject/node_modules/next/dist/compiled/webpack/bundle5.js:59190:46)
    at /home/user/Documents/projects/webdev/myproject/node_modules/next/dist/compiled/webpack/bundle5.js:57683:39
    at /home/user/Documents/projects/webdev/myproject/node_modules/next/dist/compiled/webpack/bundle5.js:135587:5
    at Hook.eval [as callAsync] (eval at create (/home/user/Documents/projects/webdev/myproject/node_modules/next/dist/compiled/webpack/bundle5.js:33832:10), <anonymous>:4:1)
    at AsyncQueue._handleResult (/home/user/Documents/projects/webdev/myproject/node_modules/next/dist/compiled/webpack/bundle5.js:135557:21)
    at /home/user/Documents/projects/webdev/myproject/node_modules/next/dist/compiled/webpack/bundle5.js:135540:11
    at /home/user/Documents/projects/webdev/myproject/node_modules/next/dist/compiled/webpack/bundle5.js:59794:14
    at /home/user/Documents/projects/webdev/myproject/node_modules/next/dist/compiled/webpack/bundle5.js:59452:6
    at done (/home/user/Documents/projects/webdev/myproject/node_modules/next/dist/compiled/neo-async/async.js:1:10308)
    at /home/user/Documents/projects/webdev/myproject/node_modules/next/dist/compiled/webpack/bundle5.js:59736:9
    at /home/user/Documents/projects/webdev/myproject/node_modules/next/dist/compiled/webpack/bundle5.js:135587:5
    at Hook.eval [as callAsync] (eval at create (/home/user/Documents/projects/webdev/myproject/node_modules/next/dist/compiled/webpack/bundle5.js:33832:10), <anonymous>:4:1)
    at AsyncQueue._handleResult (/home/user/Documents/projects/webdev/myproject/node_modules/next/dist/compiled/webpack/bundle5.js:135557:21)
    at /home/user/Documents/projects/webdev/myproject/node_modules/next/dist/compiled/webpack/bundle5.js:135540:11
    at /home/user/Documents/projects/webdev/myproject/node_modules/next/dist/compiled/webpack/bundle5.js:59794:14
    at /home/user/Documents/projects/webdev/myproject/node_modules/next/dist/compiled/webpack/bundle5.js:59452:6

【问题讨论】：

标签： reactjs webpack next.js

【解决方案1】：

通过在部署期间使用--force 标志清除vercel 构建缓存来修复它。

【讨论】：

【解决方案2】：

删除.next/ 目录解决了我的问题。

【讨论】：

这对我有用。谢谢！！