2023年6月8日 06:11:49go评论186阅读模式

英文:

MongoDB doesn't connect. [MongooseServerSelectionError: connect ECONNREFUSED ::1:27017]

问题

以下是翻译好的部分：

以下是来自index.js文件的代码：

const mongoose = require("mongoose");
mongoose.connect("mongodb://localhost/db_c");

Nodjs版本： v18.13.0

MongoDB版本： 6.0.5

Mongoose版本： 7.2.2

我遇到的错误是：

E:\nodejs\app1\node_modules\mongoose\lib\connection.js:792
    err = new ServerSelectionError();
          ^
    
MongooseServerSelectionError: connect ECONNREFUSED ::1:27017
    at _handleConnectionErrors (E:\nodejs\app1\node_modules\mongoose\lib\connection.js:792:11)   
    at NativeConnection.openUri (E:\nodejs\app1\node_modules\mongoose\lib\connection.js:767:11) {
  reason: TopologyDescription {
    type: 'Unknown',
    servers: Map(1) {
      'localhost:27017' => ServerDescription {
        address: 'localhost:27017',
        type: 'Unknown',
        hosts: [],
        passives: [],
        arbiters: [],
        tags: {},
        minWireVersion: 0,
        maxWireVersion: 0,
        roundTripTime: -1,
        lastUpdateTime: 1981963039,
        lastWriteDate: 0,
        error: MongoNetworkError: connect ECONNREFUSED ::1:27017
            at connectionFailureError (E:\nodejs\app1\node_modules\mongodb\lib\cmap\connect.js:370:20)            at Socket.<anonymous> (E:\nodejs\app1\node_modules\mongodb\lib\cmap\connect.js:293:22)    
            at Object.onceWrapper (node:events:628:26)
            at Socket.emit (node:events:513:28)
            at emitErrorNT (node:internal/streams/destroy:151:8)
            at emitErrorCloseNT (node:internal/streams/destroy:116:3)
            at process.processTicksAndRejections (node:internal/process/task_queues:82:21) {
          cause: Error: connect ECONNREFUSED ::1:27017
              at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1487:16) {
            errno: -4078,
            code: 'ECONNREFUSED',
            syscall: 'connect',
            address: '::1',
            port: 27017
          },
          [Symbol(errorLabels)]: Set(1) { 'ResetPool' }
        },
        topologyVersion: null,
        setName: null,
        setVersion: null,
        electionId: null,
        logicalSessionTimeoutMinutes: null,
        primary: null,
        me: null,
        '$clusterTime': null
      }
    },
    stale: false,
    compatible: true,
PS E:\nodejs\app1> node index.js
E:\nodejs\app1\node_modules\mongoose\lib\connection.js:792
    err = new ServerSelectionError();
          ^
    
MongooseServerSelectionError: connect ECONNREFUSED ::1:27017
    at _handleConnectionErrors (E:\nodejs\app1\node_modules\mongoose\lib\connection.js:792:11)   
    at NativeConnection.openUri (E:\nodejs\app1\node_modules\mongoose\lib\connection.js:767:11) {
  reason: TopologyDescription {
    type: 'Unknown',
    servers: Map(1) {
      'localhost:27017' => ServerDescription {
        address: 'localhost:27017',
        type: 'Unknown',
        hosts: [],
        passives: [],
        arbiters: [],
        tags: {},
        minWireVersion: 0,
        maxWireVersion: 0,
        roundTripTime: -1,
        lastUpdateTime: 101790,
        lastWriteDate: 0,
        error: MongoNetworkError: connect ECONNREFUSED ::1:27017
            at connectionFailureError (E:\nodejs\app1\node_modules\mongodb\lib\cmap\connect.js:370:20)       
            at Socket.<anonymous> (E:\nodejs\app1\node_modules\mongodb\lib\cmap\connect.js:293:22)
            at Object.onceWrapper (node:events:628:26)
            at Socket.emit (node:events:513:28)
            at emitErrorNT (node:internal/streams/destroy:151:8)
            at emitErrorCloseNT (node:internal/streams/destroy:116:3)
            at process.processTicksAndRejections (node:internal/process/task_queues:82:21) {
          cause: Error: connect ECONNREFUSED ::1:27017
              at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1487:16) {
            errno: -4078,
            code: 'ECONNREFUSED',
            syscall: 'connect',
            address: '::1',
            port: 27017
          },
          [Symbol(errorLabels)]: Set(1) { 'ResetPool' }
        },
        topologyVersion: null,
        setName: null,
        setVersion: null,
        electionId: null,
        logicalSessionTimeoutMinutes: null,
        primary: null,
        me: null,
        '$clusterTime': null
      }
    },
    stale: false,
    compatible: true,
    heartbeatFrequencyMS: 10000,
    localThresholdMS: 15,
    maxSetVersion: null,
    commonWireVersion: 0,
    logicalSessionTimeoutMinutes: null
  },
  code: undefined
}

PS E:\nodejs\app1> node index.js      
E:\nodejs\app1\node_modules\mongoose\lib\connection.js:792
    err = new ServerSelectionError();
          ^
    
MongooseServerSelectionError: connect ECONNREFUSED ::1:27017
    at _handleConnectionErrors (E:\nodejs\app1\node_modules\mongoose\lib\connection.js:792:11)   
    at NativeConnection.openUri (E:\nodejs\app1\node_modules\mongoose\lib\connection.js:767:11) {
  reason: TopologyDescription {
    type: 'Unknown',
    servers: Map(1) {
      'localhost:27017' => ServerDescription {
        address: 'localhost:27017',
        type: 'Unknown',
        hosts: [],
        passives: [],
        arbiters: [],
        tags: {},
        minWireVersion: 0,
        maxWireVersion: 0,
        roundTripTime: -1,
        lastUpdateTime: 945032,
        lastWriteDate: 0,
        error: MongoNetworkError: connect ECONNREFUSED ::1:27017
            at connectionFailureError (E:\nodejs\app1\node_modules\mongoose\node_modules\mongodb\lib\cmap\connect.js:370:20)
            at Socket.<anonymous> (E:\nodejs\app1\node_modules\mongoose\node

<details>
<summary>英文:</summary>

***Note: I have already gone through the following similar threads and tried the following options:***

 1. *Restarted the MongoDB service.*
 2. *Replaced localhost by 0.0.0.0.*
 3. *Replaced local host by 127.0.0.1:27017*

&gt; https://stackoverflow.com/questions/70045495/timeouterror-mongoserverselectionerror-connect-econnrefused-127017-node

&gt; https://stackoverflow.com/questions/50173080/mongonetworkerror-failed-to-connect-to-server-localhost27017-on-first-connec

&gt; https://stackoverflow.com/questions/69840504/mongooseserverselectionerror-connect-econnrefused-127017

&gt; https://stackoverflow.com/questions/76304154/mongooseserverselectionerror-connect-econnrefused-127017-error



**Following is the code from index.js file:**

    const mongoose = require(&quot;mongoose&quot;);
    mongoose.connect(&quot;mongodb://localhost/db_c&quot;);
   
**Nodjs version:** ***v18.13.0***

**MongoDB version:** ***6.0.5***

**Mongoose version:** ***7.2.2***

**The error I am getting is:**

    E:\nodejs\app1\node_modules\mongoose\lib\connection.js:792
        err = new ServerSelectionError();
              ^
    
    MongooseServerSelectionError: connect ECONNREFUSED ::1:27017
        at _handleConnectionErrors (E:\nodejs\app1\node_modules\mongoose\lib\connection.js:792:11)   
        at NativeConnection.openUri (E:\nodejs\app1\node_modules\mongoose\lib\connection.js:767:11) {
      reason: TopologyDescription {
        type: &#39;Unknown&#39;,
        servers: Map(1) {
          &#39;localhost:27017&#39; =&gt; ServerDescription {
            address: &#39;localhost:27017&#39;,
            type: &#39;Unknown&#39;,
            hosts: [],
            passives: [],
            arbiters: [],
            tags: {},
            minWireVersion: 0,
            maxWireVersion: 0,
            roundTripTime: -1,
            lastUpdateTime: 1981963039,
            lastWriteDate: 0,
            error: MongoNetworkError: connect ECONNREFUSED ::1:27017
                at connectionFailureError (E:\nodejs\app1\node_modules\mongodb\lib\cmap\connect.js:370:20)            at Socket.&lt;anonymous&gt; (E:\nodejs\app1\node_modules\mongodb\lib\cmap\connect.js:293:22)    
                at Object.onceWrapper (node:events:628:26)
                at Socket.emit (node:events:513:28)
                at emitErrorNT (node:internal/streams/destroy:151:8)
                at emitErrorCloseNT (node:internal/streams/destroy:116:3)
                at process.processTicksAndRejections (node:internal/process/task_queues:82:21) {
              cause: Error: connect ECONNREFUSED ::1:27017
                  at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1487:16) {
                errno: -4078,
                code: &#39;ECONNREFUSED&#39;,
                syscall: &#39;connect&#39;,
                address: &#39;::1&#39;,
                port: 27017
              },
              [Symbol(errorLabels)]: Set(1) { &#39;ResetPool&#39; }
            },
            topologyVersion: null,
            setName: null,
            setVersion: null,
            electionId: null,
            logicalSessionTimeoutMinutes: null,
            primary: null,
            me: null,
            &#39;$clusterTime&#39;: null
          }
        },
        stale: false,
        compatible: true,
    PS E:\nodejs\app1&gt; node index.js
    E:\nodejs\app1\node_modules\mongoose\lib\connection.js:792
        err = new ServerSelectionError();
              ^
    
    MongooseServerSelectionError: connect ECONNREFUSED ::1:27017
        at _handleConnectionErrors (E:\nodejs\app1\node_modules\mongoose\lib\connection.js:792:11)   
        at NativeConnection.openUri (E:\nodejs\app1\node_modules\mongoose\lib\connection.js:767:11) {
      reason: TopologyDescription {
        type: &#39;Unknown&#39;,
        servers: Map(1) {
          &#39;localhost:27017&#39; =&gt; ServerDescription {
            address: &#39;localhost:27017&#39;,
            type: &#39;Unknown&#39;,
            hosts: [],
            passives: [],
            arbiters: [],
            tags: {},
            minWireVersion: 0,
            maxWireVersion: 0,
            roundTripTime: -1,
            lastUpdateTime: 101790,
            lastWriteDate: 0,
            error: MongoNetworkError: connect ECONNREFUSED ::1:27017
                at connectionFailureError (E:\nodejs\app1\node_modules\mongodb\lib\cmap\connect.js:370:20)       
                at Socket.&lt;anonymous&gt; (E:\nodejs\app1\node_modules\mongodb\lib\cmap\connect.js:293:22)
                at Object.onceWrapper (node:events:628:26)
                at Socket.emit (node:events:513:28)
                at emitErrorNT (node:internal/streams/destroy:151:8)
                at emitErrorCloseNT (node:internal/streams/destroy:116:3)
                at process.processTicksAndRejections (node:internal/process/task_queues:82:21) {
              cause: Error: connect ECONNREFUSED ::1:27017
                  at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1487:16) {
                errno: -4078,
                code: &#39;ECONNREFUSED&#39;,
                syscall: &#39;connect&#39;,
                address: &#39;::1&#39;,
                port: 27017
              },
              [Symbol(errorLabels)]: Set(1) { &#39;ResetPool&#39; }
            },
            topologyVersion: null,
            setName: null,
            setVersion: null,
            electionId: null,
            logicalSessionTimeoutMinutes: null,
            primary: null,
            me: null,
            &#39;$clusterTime&#39;: null
          }
        },
        stale: false,
        compatible: true,
        heartbeatFrequencyMS: 10000,
        localThresholdMS: 15,
        maxSetVersion: null,
        commonWireVersion: 0,
        logicalSessionTimeoutMinutes: null
      },
      code: undefined
    }
    
    PS E:\nodejs\app1&gt; node index.js      
    E:\nodejs\app1\node_modules\mongoose\lib\connection.js:792
        err = new ServerSelectionError();
              ^
    
    MongooseServerSelectionError: connect ECONNREFUSED ::1:27017
        at _handleConnectionErrors (E:\nodejs\app1\node_modules\mongoose\lib\connection.js:792:11)   
        at NativeConnection.openUri (E:\nodejs\app1\node_modules\mongoose\lib\connection.js:767:11) {
      reason: TopologyDescription {
        type: &#39;Unknown&#39;,
        servers: Map(1) {
          &#39;localhost:27017&#39; =&gt; ServerDescription {
            address: &#39;localhost:27017&#39;,
            type: &#39;Unknown&#39;,
            hosts: [],
            passives: [],
            arbiters: [],
            tags: {},
            minWireVersion: 0,
            maxWireVersion: 0,
            roundTripTime: -1,
            lastUpdateTime: 945032,
            lastWriteDate: 0,
            error: MongoNetworkError: connect ECONNREFUSED ::1:27017
                at connectionFailureError (E:\nodejs\app1\node_modules\mongoose\node_modules\mongodb\lib\cmap\connect.js:370:20)
                at Socket.&lt;anonymous&gt; (E:\nodejs\app1\node_modules\mongoose\node_modules\mongodb\lib\cmap\connect.js:293:22)
                at Object.onceWrapper (node:events:628:26)
                at Socket.emit (node:events:513:28)
                at emitErrorNT (node:internal/streams/destroy:151:8)
                at emitErrorCloseNT (node:internal/streams/destroy:116:3)
                at process.processTicksAndRejections (node:internal/process/task_queues:82:21) {
              cause: Error: connect ECONNREFUSED ::1:27017
                  at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1487:16) {
                errno: -4078,
                code: &#39;ECONNREFUSED&#39;,
                syscall: &#39;connect&#39;,
                address: &#39;::1&#39;,
                port: 27017
              },
              [Symbol(errorLabels)]: Set(1) { &#39;ResetPool&#39; }
            },
            topologyVersion: null,
            setName: null,
            setVersion: null,
            electionId: null,
            logicalSessionTimeoutMinutes: null,
            primary: null,
            me: null,
            &#39;$clusterTime&#39;: null
          }
        },
        stale: false,
        compatible: true,
        heartbeatFrequencyMS: 10000,
        localThresholdMS: 15,
        setName: null,
        maxElectionId: null,
        maxSetVersion: null,
        commonWireVersion: 0,
        logicalSessionTimeoutMinutes: null
      },
      code: undefined
    }



I am an absolute beginner and seek your help.

</details>


# 答案1
**得分**: 1

我还遇到了与 node 18.16.0 相似的连接问题。我将它降级到了 16.13.0，然后它正常工作了。

**编辑**：
我已经让它在 node 18.16.0 上工作了。从 node 17 开始有一个重大变化，它默认使用 IPv6 而不是 IPv4。我不得不修改我的 mongod.conf 文件以适应这一变化。这些指令相当简单（https://www.mongodb.com/docs/manual/reference/configuration-options/#net-options）。我使用的是 node 驱动程序，而不是 mongoose。与数据库版本的兼容性也有一些问题，我也不得不解决这些问题。

<details>
<summary>英文:</summary>

I also had the similar connection problem with node 18.16.0. I downgraded it to 16.13.0, and it worked fine.

**Edit**:
I got it to work with node 18.16.0. There is a breaking change starting node 17 that it uses IPv6 instead of IPv4 as default. I had to modify my mongod.conf for that. The instructions are quite simple (https://www.mongodb.com/docs/manual/reference/configuration-options/#net-options). I am using node driver not mongoose. There are issues with compatibility with version of DB that I also had to work out.

</details>

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MongoDB无法连接。[MongooseServerSelectionError：连接ECONNREFUSED ::1:27017]

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