将nodejs部署到Heroku时抛出错误URL

我有一个node.js服务器在localhost中成功运行。但是当我部署到Heroku时，服务器崩溃了。我已检查本地和heroku具有相同的node.js和npm版本。希望收到您的建议。谢谢。将nodejs部署到Heroku时抛出错误URL

下面是消息日志：

2017-01-13T04:16:32.949664+00:00 app[web.1]: > [email protected] start /app 
2017-01-13T04:16:32.949665+00:00 app[web.1]: > node server.js 
2017-01-13T04:16:32.949665+00:00 app[web.1]: 
2017-01-13T04:16:33.344617+00:00 app[web.1]: url.js:87 
2017-01-13T04:16:33.344629+00:00 app[web.1]:  throw new TypeError('Parameter "url" must be a string, not ' + typeof url); 
2017-01-13T04:16:33.344630+00:00 app[web.1]: ^
2017-01-13T04:16:33.344631+00:00 app[web.1]: 
2017-01-13T04:16:33.344633+00:00 app[web.1]: TypeError: Parameter "url" must be a string, not undefined 
2017-01-13T04:16:33.344634+00:00 app[web.1]:  at Url.parse (url.js:87:11) 
2017-01-13T04:16:33.344636+00:00 app[web.1]:  at Object.urlParse [as parse] (url.js:81:5) 
2017-01-13T04:16:33.344636+00:00 app[web.1]:  at new Sequelize (/app/node_modules/sequelize/lib/sequelize.js:125:24) 
2017-01-13T04:16:33.344637+00:00 app[web.1]:  at Object.<anonymous> (/app/db.js:6:17) 
2017-01-13T04:16:33.344638+00:00 app[web.1]:  at Module._compile (module.js:570:32) 
2017-01-13T04:16:33.344638+00:00 app[web.1]:  at Object.Module._extensions..js (module.js:579:10) 
2017-01-13T04:16:33.344639+00:00 app[web.1]:  at Module.load (module.js:487:32) 
2017-01-13T04:16:33.344640+00:00 app[web.1]:  at tryModuleLoad (module.js:446:12) 
2017-01-13T04:16:33.344640+00:00 app[web.1]:  at Function.Module._load (module.js:438:3) 
2017-01-13T04:16:33.344641+00:00 app[web.1]:  at Module.require (module.js:497:17) 
2017-01-13T04:16:33.344642+00:00 app[web.1]:  at require (internal/module.js:20:19) 
2017-01-13T04:16:33.344642+00:00 app[web.1]:  at Object.<anonymous> (/app/server.js:1:72) 
2017-01-13T04:16:33.344643+00:00 app[web.1]:  at Module._compile (module.js:570:32) 
2017-01-13T04:16:33.344643+00:00 app[web.1]:  at Object.Module._extensions..js (module.js:579:10) 
2017-01-13T04:16:33.344644+00:00 app[web.1]:  at Module.load (module.js:487:32) 
2017-01-13T04:16:33.344645+00:00 app[web.1]:  at tryModuleLoad (module.js:446:12) 
2017-01-13T04:16:33.353999+00:00 app[web.1]: 
2017-01-13T04:16:33.362350+00:00 app[web.1]: npm ERR! Linux 3.13.0-105-generic 
2017-01-13T04:16:33.362417+00:00 app[web.1]: npm ERR! argv "/app/.heroku/node/bin/node" "/app/.heroku/node/bin/npm" "start" 
2017-01-13T04:16:33.362573+00:00 app[web.1]: npm ERR! node v6.9.4 
2017-01-13T04:16:33.362726+00:00 app[web.1]: npm ERR! npm v4.1.1 
2017-01-13T04:16:33.362920+00:00 app[web.1]: npm ERR! code ELIFECYCLE 
2017-01-13T04:16:33.363075+00:00 app[web.1]: npm ERR! [email protected] start: `node server.js` 
2017-01-13T04:16:33.363192+00:00 app[web.1]: npm ERR! Exit status 1 
2017-01-13T04:16:33.363477+00:00 app[web.1]: npm ERR! 
2017-01-13T04:16:33.363609+00:00 app[web.1]: npm ERR! Failed at the [email protected] start script 'node server.js'. 
2017-01-13T04:16:33.363736+00:00 app[web.1]: npm ERR! Make sure you have the latest version of node.js and npm installed. 
2017-01-13T04:16:33.363916+00:00 app[web.1]: npm ERR! If you do, this is most likely a problem with the golaundryserver package, 
2017-01-13T04:16:33.364086+00:00 app[web.1]: npm ERR! not with npm itself. 
2017-01-13T04:16:33.364367+00:00 app[web.1]: npm ERR! Tell the author that this fails on your system: 
2017-01-13T04:16:33.364662+00:00 app[web.1]: npm ERR!  node server.js 
2017-01-13T04:16:33.365384+00:00 app[web.1]: npm ERR! You can get information on how to open an issue for this project with: 
2017-01-13T04:16:33.365555+00:00 app[web.1]: npm ERR!  npm bugs golaundryserver 
2017-01-13T04:16:33.365732+00:00 app[web.1]: npm ERR! Or if that isn't available, you can get their info via: 
2017-01-13T04:16:33.365933+00:00 app[web.1]: npm ERR!  npm owner ls golaundryserver 
2017-01-13T04:16:33.366104+00:00 app[web.1]: npm ERR! There is likely additional logging output above. 
2017-01-13T04:16:33.370608+00:00 app[web.1]: 
2017-01-13T04:16:33.370806+00:00 app[web.1]: npm ERR! Please include the following file with any support request: 
2017-01-13T04:16:33.370908+00:00 app[web.1]: npm ERR!  /app/npm-debug.log 
2017-01-13T04:16:33.450002+00:00 heroku[web.1]: Process exited with status 1 
2017-01-13T04:16:33.423935+00:00 heroku[web.1]: State changed from starting to crashed

来源

2017-01-13 Khủng Long