我一直在关注 brad traversy 的托管全栈 mern 应用程序的指南，
但是在我运行 git push heroku master 后，我不断收到此错误：
$ git push heroku master
Enumerating objects: 39, done.
Counting objects: 100% (39/39), done.
Delta compression using up to 8 threads
Compressing objects: 100% (36/36), done.
Writing objects: 100% (39/39), 427.21 KiB | 8.06 MiB/s, done.
Total 39 (delta 1), reused 0 (delta 0), pack-reused 0
remote: Compressing source files... done.
remote: Building source:
remote:
remote: -----> Building on the Heroku-20 stack
remote: -----> Node.js app detected
remote:
remote: -----> Creating runtime environment
remote:
remote: NPM_CONFIG_LOGLEVEL=error
remote: NODE_VERBOSE=false
remote: NODE_ENV=production
remote: NODE_MODULES_CACHE=true
remote:
remote: -----> Installing binaries
remote: engines.node (package.json): unspecified
remote: engines.npm (package.json): unspecified (use default)
remote:
remote: Resolving node version 12.x...
remote: Downloading and installing node 12.20.1...
remote: Using default npm version: 6.14.10
remote:
remote: -----> Installing dependencies
remote: Installing node modules
remote:
remote: > nodemon@2.0.6 postinstall /tmp/build_a03a558d/node_modules/node
mon
remote: > node bin/postinstall || exit 0
remote:
remote: Love nodemon? You can now support the project via the open collec
tive:
remote: > https://opencollective.com/nodemon/donate
remote:
remote: added 296 packages in 4.302s
remote:
remote: -----> Build
remote: Detected both "build" and "heroku-postbuild" scripts
remote: Running heroku-postbuild
remote:
remote: > server@1.0.0 heroku-postbuild /tmp/build_a03a558d
remote: > NPM_CONFIG_PRODUCTION=false npm install --prefix frontend && np
m run build --prefix frontend
remote:
remote: up to date in 0.241s
remote: found 0 vulnerabilities
remote:
remote: npm ERR! code ENOENT
remote: npm ERR! syscall open
remote: npm ERR! path /tmp/build_a03a558d/frontend/package.json
remote: npm ERR! errno -2
remote: npm ERR! enoent ENOENT: no such file or directory, open '/tmp/build_a03a
558d/frontend/package.json'
remote: npm ERR! enoent This is related to npm not being able to find a file.
remote: npm ERR! enoent
remote:
remote: npm ERR! A complete log of this run can be found in:
remote: npm ERR! /tmp/npmcache.ZT0se/_logs/2021-01-26T16_52_50_692Z-debug.lo
g
remote: npm ERR! code ELIFECYCLE
remote: npm ERR! errno 254
remote: npm ERR! server@1.0.0 heroku-postbuild: `NPM_CONFIG_PRODUCTION=false npm
install --prefix frontend && npm run build --prefix frontend`
remote: npm ERR! Exit status 254
remote: npm ERR!
remote: npm ERR! Failed at the server@1.0.0 heroku-postbuild script.
remote: npm ERR! This is probably not a problem with npm. There is likely additi
onal logging output above.
remote:
remote: npm ERR! A complete log of this run can be found in:
remote: npm ERR! /tmp/npmcache.ZT0se/_logs/2021-01-26T16_52_50_713Z-debug.lo
g
remote:
remote: -----> Build failed
remote:
remote: We're sorry this build is failing! You can troubleshoot common is
sues here:
remote: https://devcenter.heroku.com/articles/troubleshooting-node-deploy
s
remote:
remote: Some possible problems:
remote:
remote: - Node version not specified in package.json
remote: https://devcenter.heroku.com/articles/nodejs-support#specifying
-a-node-js-version
remote:
remote: Love,
remote: Heroku
remote:
remote: ! Push rejected, failed to compile Node.js app.
remote:
remote: ! Push failed
remote: Verifying deploy...
remote:
remote: ! Push rejected to fathomless-thicket-55387.
remote:
To https://git.heroku.com/fathomless-thicket-55387.git
! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to 'https://git.heroku.com/fathomless-thicket-55
387.git'
我不知道为什么会收到这些错误消息... 远程：npm 错误！路径/tmp/build_a03a558d/frontend/package.json 远程：npm 错误！错误号 -2 远程：npm 错误！ enoent ENOENT: 没有那个文件或目录，打开'/tmp/build_a03a 558d/frontend/package.json'
答案 0 :(得分：0)
你需要检查
您是否在 win32c.xlTopCount 文件夹中有 package.json 文件。您可以在 git 中查看它是否存在。可能会在 gitignore 中提到。
您的 frontend 是否从与文件夹 {{1} 处于同一级别的 package.json（与 heroku-postbuild 文件夹中的 package.json 文件不同）运行}.像这样：