Node.js Heroku错误：Heroku[router]：at=错误代码=H10 desc="；“应用程序崩溃”；方法=获取路径="/&引用；？

我试图在Heroku上部署非常简单的NodeJSAPI，但我似乎不明白为什么它总是给我这个错误。该应用程序在本地服务器上运行良好，即使是使用heroku本地web。我的应用正在

app.listen（process.env.PORT | | 5500）上侦听

这是我在heroku日志--tail时的错误

2020-10-22T03:09:40.912659+00:00 app[web.1]: 'cluster0-shard-00-01.4mqda.mongodb.net:27017' => [ServerDescription]
2020-10-22T03:09:40.912659+00:00 app[web.1]: },
2020-10-22T03:09:40.912659+00:00 app[web.1]: stale: false,
2020-10-22T03:09:40.912660+00:00 app[web.1]: compatible: true,
2020-10-22T03:09:40.912660+00:00 app[web.1]: compatibilityError: null,
2020-10-22T03:09:40.912660+00:00 app[web.1]: logicalSessionTimeoutMinutes: null,
2020-10-22T03:09:40.912660+00:00 app[web.1]: heartbeatFrequencyMS: 10000,
2020-10-22T03:09:40.912661+00:00 app[web.1]: localThresholdMS: 15,
2020-10-22T03:09:40.912661+00:00 app[web.1]: commonWireVersion: null
2020-10-22T03:09:40.912661+00:00 app[web.1]: }
2020-10-22T03:09:40.912662+00:00 app[web.1]: }
2020-10-22T03:09:41.093698+00:00 heroku[web.1]: Process exited with status 0
2020-10-22T03:09:46.165964+00:00 heroku[web.1]: State changed from starting to crashed
2020-10-22T03:09:46.168346+00:00 heroku[web.1]: State changed from crashed to starting
2020-10-22T03:09:49.527931+00:00 heroku[web.1]: Starting process with command `node index.js`
2020-10-22T03:10:23.122929+00:00 app[web.1]: MongooseServerSelectionError: Could not connect to any servers in your MongoDB Atlas cluster. One common reason is that you're trying to access the database from an IP that isn't whitelisted. Make sure your current IP address is on your Atlas cluster's IP whitelist: https://docs.atlas.mongodb.com/security-whitelist/
2020-10-22T03:10:23.123001+00:00 app[web.1]: at NativeConnection.Connection.openUri (/app/node_modules/mongoose/lib/connection.js:800:32)
2020-10-22T03:10:23.123006+00:00 app[web.1]: at /app/node_modules/mongoose/lib/index.js:342:10
2020-10-22T03:10:23.123010+00:00 app[web.1]: at /app/node_modules/mongoose/lib/helpers/promiseOrCallback.js:31:5
2020-10-22T03:10:23.123015+00:00 app[web.1]: at new Promise (<anonymous>)
2020-10-22T03:10:23.123019+00:00 app[web.1]: at promiseOrCallback (/app/node_modules/mongoose/lib/helpers/promiseOrCallback.js:30:10)
2020-10-22T03:10:23.123020+00:00 app[web.1]: at Mongoose.connect (/app/node_modules/mongoose/lib/index.js:341:10)
2020-10-22T03:10:23.123020+00:00 app[web.1]: at Object.<anonymous> (/app/index.js:14:10)
2020-10-22T03:10:23.123020+00:00 app[web.1]: at Module._compile (internal/modules/cjs/loader.js:1200:30)
2020-10-22T03:10:23.123020+00:00 app[web.1]: at Object.Module._extensions..js (internal/modules/cjs/loader.js:1220:10)
2020-10-22T03:10:23.123021+00:00 app[web.1]: at Module.load (internal/modules/cjs/loader.js:1049:32)
2020-10-22T03:10:23.123021+00:00 app[web.1]: at Function.Module._load (internal/modules/cjs/loader.js:937:14)
2020-10-22T03:10:23.123021+00:00 app[web.1]: at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:71:12)
2020-10-22T03:10:23.123022+00:00 app[web.1]: at internal/main/run_main_module.js:17:47 {
2020-10-22T03:10:23.123026+00:00 app[web.1]: reason: TopologyDescription {
2020-10-22T03:10:23.123026+00:00 app[web.1]: type: 'ReplicaSetNoPrimary',
2020-10-22T03:10:23.123026+00:00 app[web.1]: setName: null,
2020-10-22T03:10:23.123027+00:00 app[web.1]: maxSetVersion: null,
2020-10-22T03:10:23.123027+00:00 app[web.1]: maxElectionId: null,
2020-10-22T03:10:23.123027+00:00 app[web.1]: servers: Map(3) {
2020-10-22T03:10:23.123027+00:00 app[web.1]: 'cluster0-shard-00-02.4mqda.mongodb.net:27017' => [ServerDescription],
2020-10-22T03:10:23.123028+00:00 app[web.1]: 'cluster0-shard-00-00.4mqda.mongodb.net:27017' => [ServerDescription],
2020-10-22T03:10:23.123028+00:00 app[web.1]: 'cluster0-shard-00-01.4mqda.mongodb.net:27017' => [ServerDescription]
2020-10-22T03:10:23.123033+00:00 app[web.1]: },
2020-10-22T03:10:23.123033+00:00 app[web.1]: stale: false,
2020-10-22T03:10:23.123033+00:00 app[web.1]: compatible: true,
2020-10-22T03:10:23.123033+00:00 app[web.1]: compatibilityError: null,
2020-10-22T03:10:23.123034+00:00 app[web.1]: logicalSessionTimeoutMinutes: null,
2020-10-22T03:10:23.123034+00:00 app[web.1]: heartbeatFrequencyMS: 10000,
2020-10-22T03:10:23.123034+00:00 app[web.1]: localThresholdMS: 15,
2020-10-22T03:10:23.123034+00:00 app[web.1]: commonWireVersion: null
2020-10-22T03:10:23.123035+00:00 app[web.1]: }
2020-10-22T03:10:23.123035+00:00 app[web.1]: }
2020-10-22T03:10:23.187310+00:00 heroku[web.1]: Process exited with status 0
2020-10-22T03:10:23.226782+00:00 heroku[web.1]: State changed from starting to crashed
2020-10-22T03:10:24.274124+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=adak.herokuapp.com request_id=2e574211-23f3-423c-8322-2ec071a7f798 fwd="98.219.228.15" dyno= connect= service= status=503 bytes= protocol=https
2020-10-22T03:10:25.104524+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/app" host=adak.herokuapp.com request_id=53362476-b37c-487e-9453-0cce7aa0033d fwd="98.219.228.15" dyno= connect= service= status=503 bytes= protocol=https
2020-10-22T03:10:25.478442+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=adak.herokuapp.com request_id=a8c9df8f-4bfc-44a8-8061-ce6e0950f431 fwd="98.219.228.15" dyno= connect= service= status=503 bytes= protocol=https
2020-10-22T03:10:26.329468+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=adak.herokuapp.com request_id=8d56ea2d-257c-4118-9451-b454e59651f7 fwd="98.219.228.15" dyno= connect= service= status=503 bytes= protocol=https
2020-10-22T03:10:30.517993+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/app" host=adak.herokuapp.com request_id=8ae82052-e3d2-410c-90ed-e92e522acdeb fwd="98.219.228.15" dyno= connect= service= status=503 bytes= protocol=https
2020-10-22T03:10:30.857187+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=adak.herokuapp.com request_id=ff3b48e6-6712-4ab8-8937-07b0329fb97c fwd="98.219.228.15" dyno= connect= service= status=503 bytes= protocol=https
2020-10-22T03:13:50.120474+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=adak.herokuapp.com request_id=a94ad607-4349-44be-af8d-14d8cb31a497 fwd="98.219.228.15" dyno= connect= service= status=503 bytes= protocol=https
2020-10-22T03:13:50.386222+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=adak.herokuapp.com request_id=596442ac-c410-4c21-ab4b-fba6a358215f fwd="98.219.228.15" dyno= connect= service= status=503 bytes= protocol=https
2020-10-22T03:14:25.000000+00:00 app[api]: Build started by user kevinmnm2010@gmail.com
2020-10-22T03:14:46.000000+00:00 app[api]: Build succeeded
2020-10-22T03:14:46.007993+00:00 app[api]: Deploy e8565aab by user kevinmnm2010@gmail.com
2020-10-22T03:14:46.007993+00:00 app[api]: Release v4 created by user kevinmnm2010@gmail.com
2020-10-22T03:14:46.201472+00:00 heroku[web.1]: State changed from crashed to starting
2020-10-22T03:14:48.884957+00:00 heroku[web.1]: Starting process with command `node index.js`
2020-10-22T03:15:21.469714+00:00 app[web.1]: MongooseServerSelectionError: Could not connect to any servers in your MongoDB Atlas cluster. One common reason is that you're trying to access the database from an IP that isn't whitelisted. Make sure your current IP address is on your Atlas cluster's IP whitelist: https://docs.atlas.mongodb.com/security-whitelist/
2020-10-22T03:15:21.477855+00:00 app[web.1]: at NativeConnection.Connection.openUri (/app/node_modules/mongoose/lib/connection.js:800:32)
2020-10-22T03:15:21.477862+00:00 app[web.1]: at /app/node_modules/mongoose/lib/index.js:342:10
2020-10-22T03:15:21.477867+00:00 app[web.1]: at /app/node_modules/mongoose/lib/helpers/promiseOrCallback.js:31:5
2020-10-22T03:15:21.477871+00:00 app[web.1]: at new Promise (<anonymous>)
2020-10-22T03:15:21.477876+00:00 app[web.1]: at promiseOrCallback (/app/node_modules/mongoose/lib/helpers/promiseOrCallback.js:30:10)
2020-10-22T03:15:21.477876+00:00 app[web.1]: at Mongoose.connect (/app/node_modules/mongoose/lib/index.js:341:10)
2020-10-22T03:15:21.477876+00:00 app[web.1]: at Object.<anonymous> (/app/index.js:14:10)
2020-10-22T03:15:21.477877+00:00 app[web.1]: at Module._compile (internal/modules/cjs/loader.js:1200:30)
2020-10-22T03:15:21.477877+00:00 app[web.1]: at Object.Module._extensions..js (internal/modules/cjs/loader.js:1220:10)
2020-10-22T03:15:21.477877+00:00 app[web.1]: at Module.load (internal/modules/cjs/loader.js:1049:32)
2020-10-22T03:15:21.477878+00:00 app[web.1]: at Function.Module._load (internal/modules/cjs/loader.js:937:14)
2020-10-22T03:15:21.477878+00:00 app[web.1]: at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:71:12)
2020-10-22T03:15:21.477878+00:00 app[web.1]: at internal/main/run_main_module.js:17:47 {
2020-10-22T03:15:21.477884+00:00 app[web.1]: reason: TopologyDescription {
2020-10-22T03:15:21.477884+00:00 app[web.1]: type: 'ReplicaSetNoPrimary',
2020-10-22T03:15:21.477884+00:00 app[web.1]: setName: null,
2020-10-22T03:15:21.477885+00:00 app[web.1]: maxSetVersion: null,
2020-10-22T03:15:21.477885+00:00 app[web.1]: maxElectionId: null,
2020-10-22T03:15:21.477885+00:00 app[web.1]: servers: Map(3) {
2020-10-22T03:15:21.477886+00:00 app[web.1]: 'cluster0-shard-00-02.4mqda.mongodb.net:27017' => [ServerDescription],
2020-10-22T03:15:21.477886+00:00 app[web.1]: 'cluster0-shard-00-00.4mqda.mongodb.net:27017' => [ServerDescription],
2020-10-22T03:15:21.477886+00:00 app[web.1]: 'cluster0-shard-00-01.4mqda.mongodb.net:27017' => [ServerDescription]
2020-10-22T03:15:21.477891+00:00 app[web.1]: },
2020-10-22T03:15:21.477877+00:00 app[web.1]: at Module._compile (internal/modules/cjs/loader.js:1200:30)
2020-10-22T03:15:21.477877+00:00 app[web.1]: at Object.Module._extensions..js (internal/modules/cjs/loader.js:1220:10)
2020-10-22T03:15:21.477877+00:00 app[web.1]: at Module.load (internal/modules/cjs/loader.js:1049:32)
2020-10-22T03:15:21.477878+00:00 app[web.1]: at Function.Module._load (internal/modules/cjs/loader.js:937:14)
2020-10-22T03:15:21.477878+00:00 app[web.1]: at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:71:12)
2020-10-22T03:15:21.477878+00:00 app[web.1]: at internal/main/run_main_module.js:17:47 {
2020-10-22T03:15:21.477884+00:00 app[web.1]: reason: TopologyDescription {
2020-10-22T03:15:21.477884+00:00 app[web.1]: type: 'ReplicaSetNoPrimary',
2020-10-22T03:15:21.477884+00:00 app[web.1]: setName: null,
2020-10-22T03:15:21.477885+00:00 app[web.1]: maxSetVersion: null,
2020-10-22T03:15:21.477885+00:00 app[web.1]: maxElectionId: null,
2020-10-22T03:15:21.477885+00:00 app[web.1]: servers: Map(3) {
2020-10-22T03:15:21.477886+00:00 app[web.1]: 'cluster0-shard-00-02.4mqda.mongodb.net:27017' => [ServerDescription],
2020-10-22T03:15:21.477886+00:00 app[web.1]: 'cluster0-shard-00-00.4mqda.mongodb.net:27017' => [ServerDescription],
2020-10-22T03:15:21.477886+00:00 app[web.1]: 'cluster0-shard-00-01.4mqda.mongodb.net:27017' => [ServerDescription]
2020-10-22T03:15:21.477891+00:00 app[web.1]: },
2020-10-22T03:15:21.477892+00:00 app[web.1]: stale: false,
2020-10-22T03:15:21.477892+00:00 app[web.1]: compatible: true,
2020-10-22T03:15:21.477892+00:00 app[web.1]: compatibilityError: null,
2020-10-22T03:15:21.477893+00:00 app[web.1]: logicalSessionTimeoutMinutes: null,
2020-10-22T03:15:21.477893+00:00 app[web.1]: heartbeatFrequencyMS: 10000,
2020-10-22T03:15:21.477893+00:00 app[web.1]: localThresholdMS: 15,
2020-10-22T03:15:21.477893+00:00 app[web.1]: commonWireVersion: null
2020-10-22T03:15:21.477894+00:00 app[web.1]: }
2020-10-22T03:15:21.477894+00:00 app[web.1]: }
2020-10-22T03:15:21.561613+00:00 heroku[web.1]: Process exited with status 0
2020-10-22T03:15:21.656462+00:00 heroku[web.1]: State changed from starting to crashed
2020-10-22T03:15:23.967387+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=adak.herokuapp.com request_id=fe070797-e414-40c8-aeac-957b78fec27b fwd="98.219.228.15" dyno= connect= service= status=503 bytes= protocol=https

package.json

{
  "name": "adak-v3-server",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "engines": {
    "node": "14.3.0"
  },
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1",
    "start": "node index.js"
  },
  "author": "",
  "license": "MIT",
  "dependencies": {
    "body-parser": "^1.19.0",
    "express": "^4.17.1",
    "mongodb": "^3.6.2",
    "mongoose": "^5.10.9",
    "serve": "^11.3.2"
  },
  "devDependencies": {
    "nodemon": "^2.0.6"
  }
}

我错过了什么？我在Stackoverflow上尝试了很多方法，但都没有效果：（
使用以下代码建立连接-

mongoose.connect(uri, {
      useNewUrlParser: true,
      useCreateIndex: true,
      useUnifiedTopology: true
    }).then(res=>{
            console.log("DB Connected!")
    }).catch(err => {
      console.log(Error, err.message);
    })

如果使用上述代码-

您需要将前往MongoDB Atlas的heroku IP地址b列入白名单。

要添加的Ip地址是--“0.0.0.0/0”
添加Ip就是这样！太感谢你了！
mongoose.connect(uri, {
      useNewUrlParser: true,
      useCreateIndex: true,
      useUnifiedTopology: true
    }).then(res=>{
            console.log("DB Connected!")
    }).catch(err => {
      console.log(Error, err.message);
    })