在 Heroku 上部署节点应用程序时出错

【问题标题】：Error while deploying a node app on Heroku在 Heroku 上部署节点应用程序时出错
【发布时间】：2018-01-04 01:39:17
【问题描述】：

我使用 git push heroku 命令将我的节点应用程序推送到 heroku，但它显示以下错误。

remote: Compressing source files... done.
remote: Building source:
remote: 
remote: -----> Node.js app detected
remote: parse error: Expected another key-value pair at line 17, 
column 3
remote:  !     Unable to parse package.json
remote: 
remote: 
remote: -----> Build failed
remote: parse error: Expected another key-value pair at line 17, 
column 3
remote: parse error: Expected another key-value pair at line 17, 
column 3
remote:        
remote:        We're sorry this build is failing! You can troubleshoot 
common issues here: 
remote:        https://devcenter.heroku.com/articles/troubleshooting-
node-deploys
remote:        
remote:        If you're stuck, please submit a ticket so we can help:
remote:        https://help.heroku.com/
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 guarded-ravine-41633.
remote: 
To https://git.heroku.com/guarded-ravine-41633.git
 ! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to 'https://git.heroku.com/guarded-
ravine-41633.git'

我不知道我做错了什么。如果有人能纠正我，那将不胜感激。

这是我的 package.json 文件。

{
  "name": "project",
  "version": "1.0.0",
  "description": "A Vue.js project",
  "author": "Nikhil <nikhilgupta6532@gmail.com>",
  "private": true,
  "scripts": {
    "dev": "node build/dev-server.js",
    "start": "node build/dev-server.js",
    "build": "node build/build.js",
    "unit": "cross-env BABEL_ENV=test karma start 
test/unit/karma.conf.js --single-run",
    "e2e": "node test/e2e/runner.js",
    "test": "npm run unit && npm run e2e",
    "lint": "eslint --ext .js,.vue src test/unit/specs 
test/e2e/specs",
    "start":"node server.js",
  },
  "engines": {
    "node": ">= 8.2.1",
    "npm": ">= 5.3.0"
  },
   "dependencies": {
    "vue": "^2.3.3",
    "vue-router": "^2.6.0"
  },
  "devDependencies": {
    "autoprefixer": "^7.1.2",
    "babel-core": "^6.22.1",
    "babel-eslint": "^7.1.1",
    "babel-loader": "^7.1.1",
     "babel-plugin-transform-runtime": "^6.22.0",
    "babel-preset-env": "^1.3.2",
    "babel-preset-stage-2": "^6.22.0",
    "babel-register": "^6.22.0",
    "chalk": "^2.0.1",
    "connect-history-api-fallback": "^1.3.0",
    "copy-webpack-plugin": "^4.0.1",
    "css-loader": "^0.28.0",
    "cssnano": "^3.10.0",
    "eslint": "^3.19.0",
    "eslint-friendly-formatter": "^3.0.0",
    "eslint-loader": "^1.7.1",
    "eslint-plugin-html": "^3.0.0",
     "eslint-config-standard": "^6.2.1",
     "eslint-plugin-promise": "^3.4.0",
    "eslint-plugin-standard": "^2.0.1",
    "eventsource-polyfill": "^0.9.6",
     "express": "^4.14.1",
    "extract-text-webpack-plugin": "^2.0.0",
     "file-loader": "^0.11.1",
     "friendly-errors-webpack-plugin": "^1.1.3",
     "html-webpack-plugin": "^2.28.0",
     "http-proxy-middleware": "^0.17.3",
     "webpack-bundle-analyzer": "^2.2.1",
    "cross-env": "^5.0.1",
    "karma": "^1.4.1",
     "karma-coverage": "^1.1.1",
    "karma-mocha": "^1.3.0",
    "karma-phantomjs-launcher": "^1.0.2",
    "karma-phantomjs-shim": "^1.4.0",
    "karma-sinon-chai": "^1.3.1",
    "karma-sourcemap-loader": "^0.3.7",
    "karma-spec-reporter": "0.0.31",
    "karma-webpack": "^2.0.2",
    "lolex": "^1.5.2",
    "mocha": "^3.2.0",
    "chai": "^3.5.0",
    "sinon": "^2.1.0",
    "sinon-chai": "^2.8.0",
    "inject-loader": "^3.0.0",
     "babel-plugin-istanbul": "^4.1.1",
    "phantomjs-prebuilt": "^2.1.14",
    "chromedriver": "^2.27.2",
    "cross-spawn": "^5.0.1",
    "nightwatch": "^0.9.12",
    "selenium-server": "^3.0.1",
    "semver": "^5.3.0",
    "shelljs": "^0.7.6",
    "opn": "^5.1.0",
    "optimize-css-assets-webpack-plugin": "^2.0.0",
    "ora": "^1.2.0",
    "rimraf": "^2.6.0",
    "url-loader": "^0.5.8",
    "vue-loader": "^12.1.0",
    "vue-style-loader": "^3.0.1",
    "vue-template-compiler": "^2.3.3",
    "webpack": "^2.6.1",
    "webpack-dev-middleware": "^1.10.0",
    "webpack-hot-middleware": "^2.18.0",
    "webpack-merge": "^4.1.0"
  },

  "browserslist": [
    "> 1%",
    "last 2 versions",
    "not ie <= 8"
  ] 
}

我目前在我的项目中使用 Vue.js 以及 Node.js 和 sockets.io，数据库为 Mongodb。

【问题讨论】：

  • 看起来你的 package.json 在语法上是无效的。尝试在本地运行 npm install。
  • 您的 packaga.json 文件无效。从错误信息Unable to parse package.json中可以清楚地看到
  • 阅读错误，看看你是否能理解它。它在package.json的第17行提到它Expected another key-value pair at line 17
  • 是的，我在此链接之后对我的 package.json 文件进行了一些更改，但仍然出现相同的错误。 stackoverflow.com/questions/21819810/…

标签： node.js git heroku


【解决方案1】：

虽然阅读了您提供的错误，但它提到它在您的构建过程中，它期望在line 17 of package.json 上有另一个键值对。

我通过 JSON 运行了您的 package.json 并发现了一些问题，如下 -

第 11 行解析错误：您应该删除第 11 行和第 12 行之间的换行符。
"unit": "cross-env BABEL_ENV=test karma start test / unit / karma.conf.js--single - run ",

第 14 行解析错误：：您应该删除第 14 行和第 15 行之间的换行符。
"lint": "eslint --ext .js,.vue src test/unit/specstest / e2e / specs ",

第 15 行的解析错误：：您应该删除逗号，因为这是脚本的最后一个属性。
"start": "node server.js"

第 15 行的重复键 'start'：：*您需要决定是否希望您的启动脚本为
"start": "node build/dev-server.js", 或 "start": "node build/dev-server.js",

修复这些应该可以解决您的构建错误。

已更正package.js 文件

{
  "name": "project",
  "version": "1.0.0",
  "description": "A Vue.js project",
  "author": "Nikhil <nikhilgupta6532@gmail.com>",
  "private": true,
  "scripts": {
    "dev": "node build/dev-server.js",
    "build": "node build/build.js",
    "unit": "cross-env BABEL_ENV=test karma start test / unit / karma.conf.js--single - run ",
    "e2e": "node test/e2e/runner.js",
    "test": "npm run unit && npm run e2e",
    "lint": "eslint --ext .js,.vue src test/unit/specs test / e2e / specs ",
    "start": "node server.js"
  },
  "engines": {
    "node": ">= 8.2.1",
    "npm": ">= 5.3.0"
  },
  "dependencies": {
    "vue": "^2.3.3",
    "vue-router": "^2.6.0"
  },
  "devDependencies": {
    "autoprefixer": "^7.1.2",
    "babel-core": "^6.22.1",
    "babel-eslint": "^7.1.1",
    "babel-loader": "^7.1.1",
    "babel-plugin-transform-runtime": "^6.22.0",
    "babel-preset-env": "^1.3.2",
    "babel-preset-stage-2": "^6.22.0",
    "babel-register": "^6.22.0",
    "chalk": "^2.0.1",
    "connect-history-api-fallback": "^1.3.0",
    "copy-webpack-plugin": "^4.0.1",
    "css-loader": "^0.28.0",
    "cssnano": "^3.10.0",
    "eslint": "^3.19.0",
    "eslint-friendly-formatter": "^3.0.0",
    "eslint-loader": "^1.7.1",
    "eslint-plugin-html": "^3.0.0",
    "eslint-config-standard": "^6.2.1",
    "eslint-plugin-promise": "^3.4.0",
    "eslint-plugin-standard": "^2.0.1",
    "eventsource-polyfill": "^0.9.6",
    "express": "^4.14.1",
    "extract-text-webpack-plugin": "^2.0.0",
    "file-loader": "^0.11.1",
    "friendly-errors-webpack-plugin": "^1.1.3",
    "html-webpack-plugin": "^2.28.0",
    "http-proxy-middleware": "^0.17.3",
    "webpack-bundle-analyzer": "^2.2.1",
    "cross-env": "^5.0.1",
    "karma": "^1.4.1",
    "karma-coverage": "^1.1.1",
    "karma-mocha": "^1.3.0",
    "karma-phantomjs-launcher": "^1.0.2",
    "karma-phantomjs-shim": "^1.4.0",
    "karma-sinon-chai": "^1.3.1",
    "karma-sourcemap-loader": "^0.3.7",
    "karma-spec-reporter": "0.0.31",
    "karma-webpack": "^2.0.2",
    "lolex": "^1.5.2",
    "mocha": "^3.2.0",
    "chai": "^3.5.0",
    "sinon": "^2.1.0",
    "sinon-chai": "^2.8.0",
    "inject-loader": "^3.0.0",
    "babel-plugin-istanbul": "^4.1.1",
    "phantomjs-prebuilt": "^2.1.14",
    "chromedriver": "^2.27.2",
    "cross-spawn": "^5.0.1",
    "nightwatch": "^0.9.12",
    "selenium-server": "^3.0.1",
    "semver": "^5.3.0",
    "shelljs": "^0.7.6",
    "opn": "^5.1.0",
    "optimize-css-assets-webpack-plugin": "^2.0.0",
    "ora": "^1.2.0",
    "rimraf": "^2.6.0",
    "url-loader": "^0.5.8",
    "vue-loader": "^12.1.0",
    "vue-style-loader": "^3.0.1",
    "vue-template-compiler": "^2.3.3",
    "webpack": "^2.6.1",
    "webpack-dev-middleware": "^1.10.0",
    "webpack-hot-middleware": "^2.18.0",
    "webpack-merge": "^4.1.0"
  },

  "browserslist": [
    "> 1%",
    "last 2 versions",
    "not ie <= 8"
  ]
}

【讨论】：

  • 第 17 行是通过“engines”启动的，我这里提到的 node 和 npm 版本相同，目前安装在我的 ubuntu 上
  • 您能否将您的 package.json 更改为我提供的经过验证的 JSON，重试，然后向我们发布任何错误？
【解决方案2】：

检查一下你有错误。 Json 错误语法 错误

"unit": 所有测试在同一行 “lint”也一样

并在第 17 行删除两个开始和逗号

新文件

{
  "name": "project",
  "version": "1.0.0",
  "description": "A Vue.js project",
  "author": "Nikhil <nikhilgupta6532@gmail.com>",
  "private": true,
  "scripts": {
    "dev": "node build/dev-server.js",
    "build": "node build/build.js",
    "unit": "cross-env BABEL_ENV=test karma start test/unit/karma.conf.js --single-run",
    "e2e": "node test/e2e/runner.js",
    "test": "npm run unit && npm run e2e",
    "lint": "eslint --ext .js,.vue src test/unit/specs test/e2e/specs",
    "start":"node server.js"
  },
  "engines": {
    "node": ">= 8.2.1",
    "npm": ">= 5.3.0"
  },
   "dependencies": {
    "vue": "^2.3.3",
    "vue-router": "^2.6.0"
  },
  "devDependencies": {
    "autoprefixer": "^7.1.2",
    "babel-core": "^6.22.1",
    "babel-eslint": "^7.1.1",
    "babel-loader": "^7.1.1",
     "babel-plugin-transform-runtime": "^6.22.0",
    "babel-preset-env": "^1.3.2",
    "babel-preset-stage-2": "^6.22.0",
    "babel-register": "^6.22.0",
    "chalk": "^2.0.1",
    "connect-history-api-fallback": "^1.3.0",
    "copy-webpack-plugin": "^4.0.1",
    "css-loader": "^0.28.0",
    "cssnano": "^3.10.0",
    "eslint": "^3.19.0",
    "eslint-friendly-formatter": "^3.0.0",
    "eslint-loader": "^1.7.1",
    "eslint-plugin-html": "^3.0.0",
     "eslint-config-standard": "^6.2.1",
     "eslint-plugin-promise": "^3.4.0",
    "eslint-plugin-standard": "^2.0.1",
    "eventsource-polyfill": "^0.9.6",
     "express": "^4.14.1",
    "extract-text-webpack-plugin": "^2.0.0",
     "file-loader": "^0.11.1",
     "friendly-errors-webpack-plugin": "^1.1.3",
     "html-webpack-plugin": "^2.28.0",
     "http-proxy-middleware": "^0.17.3",
     "webpack-bundle-analyzer": "^2.2.1",
    "cross-env": "^5.0.1",
    "karma": "^1.4.1",
     "karma-coverage": "^1.1.1",
    "karma-mocha": "^1.3.0",
    "karma-phantomjs-launcher": "^1.0.2",
    "karma-phantomjs-shim": "^1.4.0",
    "karma-sinon-chai": "^1.3.1",
    "karma-sourcemap-loader": "^0.3.7",
    "karma-spec-reporter": "0.0.31",
    "karma-webpack": "^2.0.2",
    "lolex": "^1.5.2",
    "mocha": "^3.2.0",
    "chai": "^3.5.0",
    "sinon": "^2.1.0",
    "sinon-chai": "^2.8.0",
    "inject-loader": "^3.0.0",
     "babel-plugin-istanbul": "^4.1.1",
    "phantomjs-prebuilt": "^2.1.14",
    "chromedriver": "^2.27.2",
    "cross-spawn": "^5.0.1",
    "nightwatch": "^0.9.12",
    "selenium-server": "^3.0.1",
    "semver": "^5.3.0",
    "shelljs": "^0.7.6",
    "opn": "^5.1.0",
    "optimize-css-assets-webpack-plugin": "^2.0.0",
    "ora": "^1.2.0",
    "rimraf": "^2.6.0",
    "url-loader": "^0.5.8",
    "vue-loader": "^12.1.0",
    "vue-style-loader": "^3.0.1",
    "vue-template-compiler": "^2.3.3",
    "webpack": "^2.6.1",
    "webpack-dev-middleware": "^1.10.0",
    "webpack-hot-middleware": "^2.18.0",
    "webpack-merge": "^4.1.0"
  },

  "browserslist": [
    "> 1%",
    "last 2 versions",
    "not ie <= 8"
  ] 
}

【讨论】：

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