我们正在尝试将应用程序部署到heroku，并且在MongoDB依赖项中遇到一些问题会返回404错误。
我之前遇到过同样的问题，我相信之前资源已经更新或关闭。这是我们从heroku获得的npm日志。
git push heroku master
Counting objects: 107, done.
Delta compression using up to 8 threads.
Compressing objects: 100% (88/88), done.
Writing objects: 100% (93/93), 255.39 KiB | 61 KiB/s, done.
Total 93 (delta 43), reused 0 (delta 0)
-----> Heroku receiving push
-----> Removing .DS_Store files
-----> Node.js app detected
-----> Resolving engine versions
Using Node.js version: 0.8.6
Using npm version: 1.1.41
-----> Fetching Node.js binaries
-----> Vendoring node into slug
-----> Installing dependencies with npm
npm http GET https://registry.npmjs.org/express/3.0.0rc1
npm http GET https://registry.npmjs.org/ejs
npm http GET https://registry.npmjs.org/mongoose
npm http GET https://registry.npmjs.org/connect-mongo
npm http GET https://registry.npmjs.org/underscore
npm http 200 https://registry.npmjs.org/connect-mongo
npm http GET https://registry.npmjs.org/connect-mongo/-/connect-mongo-0.1.9.tgz
npm http 200 https://registry.npmjs.org/express/3.0.0rc1
npm http GET https://registry.npmjs.org/express/-/express-3.0.0rc1.tgz
npm http 200 https://registry.npmjs.org/ejs
npm http GET https://registry.npmjs.org/ejs/-/ejs-0.8.1.tgz
npm http 200 https://registry.npmjs.org/underscore
npm http GET https://registry.npmjs.org/underscore/-/underscore-1.3.3.tgz
npm http 200 https://registry.npmjs.org/connect-mongo/-/connect-mongo-0.1.9.tgz
npm http 200 https://registry.npmjs.org/express/-/express-3.0.0rc1.tgz
npm WARN package.json connect-mongo@0.1.9 No README.md file found!
npm http 200 https://registry.npmjs.org/mongoose
npm http GET https://registry.npmjs.org/mongoose/-/mongoose-3.0.1.tgz
npm http 200 https://registry.npmjs.org/underscore/-/underscore-1.3.3.tgz
npm http 200 https://registry.npmjs.org/ejs/-/ejs-0.8.1.tgz
npm http 200 https://registry.npmjs.org/mongoose/-/mongoose-3.0.1.tgz
npm http GET https://registry.npmjs.org/connect/2.4.1
npm http GET https://registry.npmjs.org/commander/0.6.1
npm http GET https://registry.npmjs.org/mongodb
npm http GET https://registry.npmjs.org/range-parser/0.0.4
npm http GET https://registry.npmjs.org/mkdirp/0.3.3
npm http GET https://registry.npmjs.org/cookie/0.0.4
npm http GET https://registry.npmjs.org/fresh/0.1.0
npm http GET https://registry.npmjs.org/crc/0.2.0
npm http GET https://registry.npmjs.org/methods/0.0.1
npm http GET https://registry.npmjs.org/send/0.0.3
npm http GET https://registry.npmjs.org/debug
npm http 200 https://registry.npmjs.org/range-parser/0.0.4
npm http GET https://registry.npmjs.org/range-parser/-/range-parser-0.0.4.tgz
npm http 200 https://registry.npmjs.org/connect/2.4.1
npm http 200 https://registry.npmjs.org/commander/0.6.1
npm http GET https://registry.npmjs.org/connect/-/connect-2.4.1.tgz
npm http GET https://registry.npmjs.org/commander/-/commander-0.6.1.tgz
npm http 200 https://registry.npmjs.org/cookie/0.0.4
npm http GET https://registry.npmjs.org/cookie/-/cookie-0.0.4.tgz
npm http 200 https://registry.npmjs.org/mkdirp/0.3.3
npm http GET https://registry.npmjs.org/mkdirp/-/mkdirp-0.3.3.tgz
npm http 200 https://registry.npmjs.org/fresh/0.1.0
npm http GET https://registry.npmjs.org/fresh/-/fresh-0.1.0.tgz
npm http 200 https://registry.npmjs.org/crc/0.2.0
npm http GET https://registry.npmjs.org/crc/-/crc-0.2.0.tgz
npm http 200 https://registry.npmjs.org/range-parser/-/range-parser-0.0.4.tgz
npm http 200 https://registry.npmjs.org/mongodb
npm http GET https://registry.npmjs.org/-/mongodb-0.9.9-8.tgz
npm http 200 https://registry.npmjs.org/debug
npm http 200 https://registry.npmjs.org/send/0.0.3
npm http 200 https://registry.npmjs.org/methods/0.0.1
npm http GET https://registry.npmjs.org/debug/-/debug-0.7.0.tgz
npm http GET https://registry.npmjs.org/send/-/send-0.0.3.tgz
npm http GET https://registry.npmjs.org/methods/-/methods-0.0.1.tgz
npm http 200 https://registry.npmjs.org/connect/-/connect-2.4.1.tgz
npm http 200 https://registry.npmjs.org/mkdirp/-/mkdirp-0.3.3.tgz
npm http 200 https://registry.npmjs.org/cookie/-/cookie-0.0.4.tgz
npm http 200 https://registry.npmjs.org/fresh/-/fresh-0.1.0.tgz
npm http 200 https://registry.npmjs.org/commander/-/commander-0.6.1.tgz
npm http 404 https://registry.npmjs.org/-/mongodb-0.9.9-8.tgz
npm http 200 https://registry.npmjs.org/methods/-/methods-0.0.1.tgz
npm http 200 https://registry.npmjs.org/send/-/send-0.0.3.tgz
npm http 200 https://registry.npmjs.org/debug/-/debug-0.7.0.tgz
npm http 200 https://registry.npmjs.org/crc/-/crc-0.2.0.tgz
npm http GET https://registry.npmjs.org/hooks/0.2.1
npm http GET https://registry.npmjs.org/mongodb/1.1.2
npm http GET https://registry.npmjs.org/ms/0.1.0
npm WARN package.json connect@2.4.1 No README.md file found!
npm ERR! fetch failed https://registry.npmjs.org/-/mongodb-0.9.9-8.tgz
npm ERR! Error: 404 Not Found
npm ERR! at null.<anonymous> (/tmp/node-npm-oliq/lib/utils/fetch.js:47:16)
npm ERR! at EventEmitter.emit (events.js:115:20)
npm ERR! at WriteStream.flush (fs.js:1514:12)
npm ERR! at fs.close (/tmp/node-npm-oliq/node_modules/graceful-fs/graceful-fs.js:94:5)
npm ERR! at Object.oncomplete (fs.js:297:15)
npm ERR! If you need help, you may report this log at:
npm ERR! <http://github.com/isaacs/npm/issues>
npm ERR! or email it to:
npm ERR! <npm-@googlegroups.com>
npm ERR! System Linux 2.6.32-343-ec2
npm ERR! command "/tmp/node-node-0RqS/bin/node" "/tmp/node-npm-oliq/cli.js" "install" "--production"
npm ERR! cwd /tmp/build_1kq3xko4hyz59
npm ERR! node -v v0.8.6
npm ERR! npm -v 1.1.41
npm WARN package.json methods@0.0.1 No README.md file found!
npm http 200 https://registry.npmjs.org/ms/0.1.0
npm http 200 https://registry.npmjs.org/hooks/0.2.1
npm http GET https://registry.npmjs.org/ms/-/ms-0.1.0.tgz
npm http GET https://registry.npmjs.org/hooks/-/hooks-0.2.1.tgz
npm http 200 https://registry.npmjs.org/mongodb/1.1.2
npm http GET https://registry.npmjs.org/-/mongodb-1.1.2.tgz
npm http GET https://registry.npmjs.org/mime/1.2.6
npm http GET https://registry.npmjs.org/qs/0.4.2
npm http GET https://registry.npmjs.org/formidable/1.0.11
npm http GET https://registry.npmjs.org/bytes/0.1.0
npm http GET https://registry.npmjs.org/pause/0.0.1
npm http 200 https://registry.npmjs.org/ms/-/ms-0.1.0.tgz
npm http 200 https://registry.npmjs.org/hooks/-/hooks-0.2.1.tgz
npm http 404 https://registry.npmjs.org/-/mongodb-1.1.2.tgz
npm http 200 https://registry.npmjs.org/formidable/1.0.11
npm http GET https://registry.npmjs.org/formidable/-/formidable-1.0.11.tgz
npm http 200 https://registry.npmjs.org/mime/1.2.6
npm ERR! fetch failed https://registry.npmjs.org/-/mongodb-1.1.2.tgz
npm http GET https://registry.npmjs.org/mime/-/mime-1.2.6.tgz
npm http 200 https://registry.npmjs.org/bytes/0.1.0
npm http GET https://registry.npmjs.org/bytes/-/bytes-0.1.0.tgz
npm http 200 https://registry.npmjs.org/pause/0.0.1
npm http 200 https://registry.npmjs.org/qs/0.4.2
npm http GET https://registry.npmjs.org/pause/-/pause-0.0.1.tgz
npm http GET https://registry.npmjs.org/qs/-/qs-0.4.2.tgz
npm http 200 https://registry.npmjs.org/formidable/-/formidable-1.0.11.tgz
npm http 200 https://registry.npmjs.org/mime/-/mime-1.2.6.tgz
npm http 200 https://registry.npmjs.org/bytes/-/bytes-0.1.0.tgz
npm http 200 https://registry.npmjs.org/qs/-/qs-0.4.2.tgz
npm http 200 https://registry.npmjs.org/pause/-/pause-0.0.1.tgz
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR! /tmp/build_1kq3xko4hyz59/npm-debug.log
npm ERR! not ok code 0
! Failed to install --production dependencies with npm
! Heroku push rejected, failed to compile Node.js app
有什么想法吗？