错误：在Mac上找不到模块'../build/Release/bson'

Question

I am using node.js to run one app given by my professor on my chrome. Something wrong happen, but I don't know because I am a rookie. The structure is as follows:

/app
   /models
      answers.js
      questions.js
      sessions.js
      user.js
   passport.js
   qmanage.js
   routes.js
/config
   auth.js
   database.js
   mcd.js
package.json
/public
   some css png fonts jpg document
qloader.js
server.js
/views
   some ejs document

At first, it shows this problem:

module.js:457
    throw err;
    ^

Error: Cannot find module 'mongoose'
    at Function.Module._resolveFilename (module.js:455:15)
    at Function.Module._load (module.js:403:25)
    at Module.require (module.js:483:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (/Users/shen/Desktop/os/cse303.p2/server.js:2:16)
    at Module._compile (module.js:556:32)
    at Object.Module._extensions..js (module.js:565:10)
    at Module.load (module.js:473:32)
    at tryModuleLoad (module.js:432:12)
    at Function.Module._load (module.js:424:3)

then, based on this help Node.js error Error: Cannot find module 'mongoose' I run npm install mongoose in my root path of project. Then I have those error below:

dyn143030:cse shen$ node server.js 
{ Error: Cannot find module '../build/Release/bson'
    at Function.Module._resolveFilename (module.js:455:15)
    at Function.Module._load (module.js:403:25)
    at Module.require (module.js:483:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (/Users/shen/Desktop/os/cse303.p2/node_modules/bson/ext/index.js:15:10)
    at Module._compile (module.js:556:32)
    at Object.Module._extensions..js (module.js:565:10)
    at Module.load (module.js:473:32)
    at tryModuleLoad (module.js:432:12)
    at Function.Module._load (module.js:424:3) code: 'MODULE_NOT_FOUND' }
js-bson: Failed to load c++ bson extension, using pure JS version
events.js:160
      throw er; // Unhandled 'error' event
      ^

Error: Invalid mongodb uri. Missing hostname
    at muri (/Users/shen/Desktop/os/cse303.p2/node_modules/muri/lib/index.js:40:11)
    at NativeConnection.Connection.open (/Users/shen/Desktop/os/cse303.p2/node_modules/mongoose/lib/connection.js:195:16)
    at Mongoose.connect (/Users/shen/Desktop/os/cse303.p2/node_modules/mongoose/lib/index.js:212:15)
    at Object.<anonymous> (/Users/shen/Desktop/os/cse303.p2/server.js:4:10)
    at Module._compile (module.js:556:32)
    at Object.Module._extensions..js (module.js:565:10)
    at Module.load (module.js:473:32)
    at tryModuleLoad (module.js:432:12)
    at Function.Module._load (module.js:424:3)
    at Module.runMain (module.js:590:10)
    at run (bootstrap_node.js:394:7)
    at startup (bootstrap_node.js:149:9)
    at bootstrap_node.js:509:3

I tried to find solution from this help Cannot find module '../build/Release/bson'] code: 'MODULE_NOT_FOUND' } js-bson: Failed to load c++ bson extension, using pure JS version but it seems not my case, because I am using OS X 10.11.3

dyn143030:cse shen$ node -v
v6.5.0
dyn143030:cse shen$ npm -v
3.10.3

From my aspect, I think the system find bson someplace wrong, so how to modify it? Thanks! If any more information is need, please tell me.

Answer 1

I find in node_modules\\bson\\ext\\index.js

and change path on 10th line

bson = require('../build/Release/bson'); to bson = require('bson');

Answer 2

您可以尝试将mongoose添加到package.json文件中的依赖项列表中，或者也可以在项目文件夹中执行> npm install mongoose。