Mongo运行错误:Failed to connect 127.0.0.1:27017,reason:errno:10061由于目标计算机积极拒绝,无法连接

解决MongoDB启动失败
本文介绍了当遇到MongoDB服务无法启动的问题时的解决方案。主要原因是服务未开启,通过使用命令行启动服务可以解决该问题。提供了具体的启动命令,并强调了在进行数据库操作时保持服务运行的重要性。

Mongo运行错误:Failed to connect 127.0.0.1:2701

Mongo运行错误:如下

原因是mongodb的服务没有开启,开启服务后问题就能解决了,开启服务命令:mongod --dbpath "d:\mongodb\data

只要操作mongodb数据库,服务就要一直开着

作者:绿茶叶 
出处:http://www.cnblogs.com/greenteaone/ 
本文版权归作者和博客园共有,欢迎转载,但未经作者同意必须保留此段声明,且在文章页面明显位置给出原文连接,否则保留追究法律责任的权利。

7,reason:errno:10061由于目标计算机积极拒绝,无法连接

[root@yfw bundle]# node main.js /opt/Rocket.Chat/bundle/programs/server/npm/node_modules/meteor/promise/node_modules/meteor-promise/promise_server.js:218 throw error; ^ MongoServerSelectionError: connect ECONNREFUSED 127.0.0.1:27017 at Timeout._onTimeout (/opt/Rocket.Chat/bundle/programs/server/npm/node_modules/meteor/npm-mongo/node_modules/mongodb/lib/sdam/topology.js:292:38) at listOnTimeout (internal/timers.js:557:17) at processTimers (internal/timers.js:500:7) => awaited here: at Function.Promise.await (/opt/Rocket.Chat/bundle/programs/server/npm/node_modules/meteor/promise/node_modules/meteor-promise/promise_server.js:56:12) at new MongoConnection (packages/mongo/mongo_driver.js:213:11) at new MongoInternals.RemoteCollectionDriver (packages/mongo/remote_collection_driver.js:9:16) at Object.<anonymous> (packages/mongo/remote_collection_driver.js:66:18) at Object.defaultRemoteCollectionDriver (packages/underscore.js:812:19) at new Collection (packages/mongo/collection.js:124:40) at AccountsServer._initializeCollection (packages/accounts-base/accounts_common.js:98:20) at new AccountsCommon (packages/accounts-base/accounts_common.js:46:23) at new AccountsServer (packages/accounts-base/accounts_server.js:30:5) at packages/accounts-base/server_main.js:7:12 at module (packages/accounts-base/server_main.js:19:31) at fileEvaluate (packages/modules-runtime.js:336:7) at Module.require (packages/modules-runtime.js:238:14) at require (packages/modules-runtime.js:258:21) at /opt/Rocket.Chat/bundle/programs/server/packages/accounts-base.js:2232:15 at /opt/Rocket.Chat/bundle/programs/server/packages/accounts-base.js:2239:3 { 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: 63106314, lastWriteDate: 0, error: MongoNetworkError: connect ECONNREFUSED 127.0.0.1:27017 at connectionFailureError (/opt/Rocket.Chat/bundle/programs/server/npm/node_modules/meteor/npm-mongo/node_modules/mongodb/lib/cmap/connect.js:387:20) at Socket.<anonymous> (/opt/Rocket.Chat/bundle/programs/server/npm/node_modules/meteor/npm-mongo/node_modules/mongodb/lib/cmap/connect.js:310:22) at Object.onceWrapper (events.js:520:26) at Socket.emit (events.js:400:28) at emitErrorNT (internal/streams/destroy.js:106:8) at emitErrorCloseNT (internal/streams/destroy.js:74:3) at processTicksAndRejections (internal/process/task_queues.js:82:21) { cause: Error: connect ECONNREFUSED 127.0.0.1:27017 at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1159:16) { errno: -111, code: 'ECONNREFUSED', syscall: 'connect', address: '127.0.0.1', 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, setName: null, maxElectionId: null, maxSetVersion: null, commonWireVersion: 0, logicalSessionTimeoutMinutes: null }, code: undefined, [Symbol(errorLabels)]: Set(0) {} } [root@yfw bundle]# [root@yfw bundle]#
最新发布
11-11
MongoDB 连接错误: MongoServerSelectionError: connect ECONNREFUSED 180.184.39.232:48354 at Topology.selectServer (D:\ExpressLearning\express-locallibrary-tutorial\node_modules\mongodb\lib\sdam\topology.js:321:38) at runNextTicks (node:internal/process/task_queues:65:5) at listOnTimeout (node:internal/timers:555:9) at process.processTimers (node:internal/timers:529:7) at async Topology._connect (D:\ExpressLearning\express-locallibrary-tutorial\node_modules\mongodb\lib\sdam\topology.js:200:28) at async Topology.connect (D:\ExpressLearning\express-locallibrary-tutorial\node_modules\mongodb\lib\sdam\topology.js:152:13) at async topologyConnect (D:\ExpressLearning\express-locallibrary-tutorial\node_modules\mongodb\lib\mongo_client.js:233:17) at async MongoClient._connect (D:\ExpressLearning\express-locallibrary-tutorial\node_modules\mongodb\lib\mongo_client.js:246:13) at async MongoClient.connect (D:\ExpressLearning\express-locallibrary-tutorial\node_modules\mongodb\lib\mongo_client.js:171:13) at async NativeConnection.createClient (D:\ExpressLearning\express-locallibrary-tutorial\node_modules\mongoose\lib\drivers\node-mongodb-native\connection.js:351:3) { errorLabelSet: Set(0) {}, reason: TopologyDescription { type: 'Single', servers: Map(1) { 'dbconn.sealosbja.site:48354' => [ServerDescription] }, stale: false, compatible: true, heartbeatFrequencyMS: 10000, localThresholdMS: 15, setName: null, maxElectionId: null, maxSetVersion: null, commonWireVersion: 0, logicalSessionTimeoutMinutes: null }, code: undefined, [cause]: MongoNetworkError: connect ECONNREFUSED 180.184.39.232:48354 at Socket.<anonymous> (D:\ExpressLearning\express-locallibrary-tutorial\node_modules\mongodb\lib\cmap\connect.js:285:44) at Object.onceWrapper (node:events:633:26) at Socket.emit (node:events:518:28) at emitErrorNT (node:internal/streams/destroy:170:8) at emitErrorCloseNT (node:internal/streams/destroy:129:3) at process.processTicksAndRejections (node:internal/process/task_queues:90:21) { errorLabelSet: Set(1) { 'ResetPool' }, beforeHandshake: false, [cause]: Error: connect ECONNREFUSED 180.184.39.232:48354 at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1634:16) { errno: -4078, code: 'ECONNREFUSED', syscall: 'connect', address: '180.184.39.232', port: 48354 } } } D:\ExpressLearning\express-locallibrary-tutorial\node_modules\mongoose\lib\connection.js:1165 err = new ServerSelectionError(); ^ MongooseServerSelectionError: connect ECONNREFUSED 180.184.39.232:48354 at _handleConnectionErrors (D:\ExpressLearning\express-locallibrary-tutorial\node_modules\mongoose\lib\connection.js:1165:11) at NativeConnection.openUri (D:\ExpressLearning\express-locallibrary-tutorial\node_modules\mongoose\lib\connection.js:1096:11) at runNextTicks (node:internal/process/task_queues:65:5) at listOnTimeout (node:internal/timers:555:9) at process.processTimers (node:internal/timers:529:7) { errorLabelSet: Set(0) {}, reason: TopologyDescription { type: 'Single', servers: Map(1) { 'dbconn.sealosbja.site:48354' => ServerDescription { address: 'dbconn.sealosbja.site:48354', type: 'Unknown', hosts: [], passives: [], arbiters: [], tags: {}, minWireVersion: 0, maxWireVersion: 0, roundTripTime: -1, minRoundTripTime: 0, lastUpdateTime: 144818976, lastWriteDate: 0, error: MongoNetworkError: connect ECONNREFUSED 180.184.39.232:48354 at Socket.<anonymous> (D:\ExpressLearning\express-locallibrary-tutorial\node_modules\mongodb\lib\cmap\connect.js:285:44) at Object.onceWrapper (node:events:633:26) at Socket.emit (node:events:518:28) at emitErrorNT (node:internal/streams/destroy:170:8) at emitErrorCloseNT (node:internal/streams/destroy:129:3) at process.processTicksAndRejections (node:internal/process/task_queues:90:21) { errorLabelSet: Set(1) { 'ResetPool' }, beforeHandshake: false, [cause]: Error: connect ECONNREFUSED 180.184.39.232:48354 at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1634:16) { errno: -4078, code: 'ECONNREFUSED', syscall: 'connect', address: '180.184.39.232', port: 48354 } }, topologyVersion: null, setName: null, setVersion: null, electionId: null, logicalSessionTimeoutMinutes: null, maxMessageSizeBytes: null, maxWriteBatchSize: null, maxBsonObjectSize: null, primary: null, me: null, '$clusterTime': null, iscryptd: false } }, stale: false, compatible: true, heartbeatFrequencyMS: 10000, localThresholdMS: 15, setName: null, maxElectionId: null, maxSetVersion: null, commonWireVersion: 0, logicalSessionTimeoutMinutes: null }, code: undefined, cause: TopologyDescription { type: 'Single', servers: Map(1) { 'dbconn.sealosbja.site:48354' => ServerDescription { address: 'dbconn.sealosbja.site:48354', type: 'Unknown', hosts: [], passives: [], arbiters: [], tags: {}, minWireVersion: 0, maxWireVersion: 0, roundTripTime: -1, minRoundTripTime: 0, lastUpdateTime: 144818976, lastWriteDate: 0, error: MongoNetworkError: connect ECONNREFUSED 180.184.39.232:48354 at Socket.<anonymous> (D:\ExpressLearning\express-locallibrary-tutorial\node_modules\mongodb\lib\cmap\connect.js:285:44) at Object.onceWrapper (node:events:633:26) at Socket.emit (node:events:518:28) at emitErrorNT (node:internal/streams/destroy:170:8) at emitErrorCloseNT (node:internal/streams/destroy:129:3) at process.processTicksAndRejections (node:internal/process/task_queues:90:21) { errorLabelSet: Set(1) { 'ResetPool' }, beforeHandshake: false, [cause]: Error: connect ECONNREFUSED 180.184.39.232:48354 at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1634:16) { errno: -4078, code: 'ECONNREFUSED', syscall: 'connect', address: '180.184.39.232', port: 48354 } }, topologyVersion: null, setName: null, setVersion: null, electionId: null, logicalSessionTimeoutMinutes: null, maxMessageSizeBytes: null, maxWriteBatchSize: null, maxBsonObjectSize: null, primary: null, me: null, '$clusterTime': null, iscryptd: false } }, stale: false, compatible: true, heartbeatFrequencyMS: 10000, localThresholdMS: 15, setName: null, maxElectionId: null, maxSetVersion: null, commonWireVersion: 0, logicalSessionTimeoutMinutes: null } } Node.js v22.14.0
06-03
<think> 我们遇到了一个MongoDB连接错误,提示“由于目标计算机积极拒绝无法连接”。这个错误通常意味着客户端无法连接MongoDB服务器。下面我们将详细分析原因并提供解决方案。 ### 错误分析 ``` 2025-09-17T13:53:55.298+0800 W NETWORK [thread1] Failed to connect to 127.0.0.1:27017, in(checking socket for error after poll), reason: 由于目标计算机积极拒绝无法连接。 2025-09-17T13:53:55.299+0800 E QUERY [thread1] Error: couldn't connect to server 127.0.0.1:27017, connection attempt failed ``` - **错误原因**:客户端尝试连接本地MongoDB服务器(127.0.0.1:27017)被拒绝- **可能原因**: 1. MongoDB服务未启动。 2. MongoDB服务未监听在127.0.0.1:27017(可能修改了绑定IP或端口)。 3. 防火墙或安全组阻止了连接。 4. MongoDB配置文件错误。 ### 解决方案 #### 1. 确认MongoDB服务状态 **Windows系统**: - 打开服务管理器(services.msc),查找“MongoDB Server”服务,确保其状态为“正在运行”。 **Linux/macOS系统**: ```bash # 检查MongoDB服务状态 sudo systemctl status mongod # 如果未运行,启动服务 sudo systemctl start mongod ``` #### 2. 检查MongoDB监听配置 - 查看MongoDB配置文件(默认路径): - **Windows**: `C:\Program Files\MongoDB\Server\{version}\bin\mongod.cfg` - **Linux**: `/etc/mongod.conf` - **macOS**: `/usr/local/etc/mongod.conf` - 关键配置项: ```yaml net: port: 27017 # 确保端口为27017 bindIp: 127.0.0.1 # 确保绑定了127.0.0.1(或0.0.0.0允许所有IP) ``` #### 3. 测试端口连接 使用命令行工具检查端口是否开放: ```bash # Windows: 使用telnet(需启用Telnet客户端功能) telnet 127.0.0.1 27017 # Linux/macOS nc -zv 127.0.0.1 27017 ``` - 如果连接失败,说明服务未监听该端口。 #### 4. 查看MongoDB日志定位问题 - 日志文件位置通常在配置文件中指定(如`/var/log/mongodb/mongod.log`)。 - 检查日志中是否有启动错误,常见问题: - 数据目录权限不足 - 配置文件语法错误 - 端口被占用 #### 5. 临时启动MongoDB服务(测试用) 如果未配置为系统服务,可手动启动: ```bash # 创建数据目录(如果不存在) mkdir -p /data/db # 启动mongod(默认监听27017mongod --dbpath /data/db ``` #### 6. 代码示例:处理连接错误的Java重试逻辑 以下是使用Java驱动时增加连接重试机制的示例: ```java import com.mongodb.MongoClientSettings; import com.mongodb.MongoException; import com.mongodb.client.MongoClient; import com.mongodb.client.MongoClients; import com.mongodb.client.MongoDatabase; public class MongoDBConnector { private static final int MAX_RETRIES = 3; private static final long RETRY_DELAY_MS = 2000; public static void main(String[] args) { String connectionString = "mongodb://127.0.0.1:27017"; MongoClient client = null; int attempts = 0; while (attempts < MAX_RETRIES) { try { // 尝试连接 client = MongoClients.create(connectionString); MongoDatabase database = client.getDatabase("testDB"); System.out.println("Connected successfully to: " + database.getName()); break; // 连接成功则退出循环 } catch (MongoException e) { attempts++; System.err.println("Connection attempt " + attempts + " failed: " + e.getMessage()); if (attempts < MAX_RETRIES) { try { Thread.sleep(RETRY_DELAY_MS); } catch (InterruptedException ignored) { } } else { System.err.println("Failed to connect after " + MAX_RETRIES + " attempts"); // 执行回退方案(如使用备份服务器) } } finally { if (client != null) { client.close(); } } } } } ``` ### 预防措施 1. **服务自启动**:配置系统服务确保MongoDB随系统启动。 2. **监控告警**:实现端口监控,服务宕机时发送告警。 3. **连接池配置**:应用中使用连接池并设定合理的超时参数。 4. **备用节点**:在集群环境中配置多个节点提高可用性。 §§相关问题§§: 1. 如何配置MongoDB集群以实现高可用性?请描述副本集(Replica Set)的搭建步骤 2. 在云服务器上部署MongoDB时,安全组和防火墙应如何配置? 3. 使用Spring Data MongoDB时,如何配置多数据源连接? 4. MongoDB的认证机制如何启用?SCRAM和x.509认证有何区别? </think> ### MongoDB 连接失败问题分析与解决方案 您遇到的错误表明 MongoDB 客户端无法连接到服务器(127.0.0.1:27017)。以下是详细的原因分析和解决方案: #### 错误原因分析 ``` Failed to connect to 127.0.0.1:27017... 由于目标计算机积极拒绝无法连接。 ``` 此错误通常由以下原因引起: 1. **MongoDB 服务未运行** 2. **服务监听地址配置错误** 3. **防火墙或安全组阻止访问** 4. **客户端使用了错误连接配置** 5. **端口被其他进程占用** #### 解决方案 ##### 1. 检查并启动 MongoDB 服务 - **Windows 系统**: ```powershell # 检查服务状态 Get-Service -Name "MongoDB" # 启动服务(如果未运行) Start-Service -Name "MongoDB" # 设置为开机自启动 Set-Service -Name "MongoDB" -StartupType Automatic ``` - **Linux/macOS 系统**: ```bash # 检查服务状态 sudo systemctl status mongod # 启动服务 sudo systemctl start mongod # 设置为开机自启动 sudo systemctl enable mongod ``` ##### 2. 验证 MongoDB 监听配置 修改 MongoDB 配置文件(通常位于 `/etc/mongod.conf` 或 `C:\Program Files\MongoDB\{version}\bin\mongod.cfg`): ```yaml # 确保绑定到正确地址 net: port: 27017 bindIp: 127.0.0.1 # 或 0.0.0.0 允许所有IP ``` 重启服务使配置生效: ```bash sudo systemctl restart mongod # Linux/macOS # 或在Windows服务管理器中重启 ``` ##### 3. 防火墙配置检查 - **Windows**: ```powershell # 允许端口访问 New-NetFirewallRule -DisplayName "MongoDB Port" -Direction Inbound -LocalPort 27017 -Protocol TCP -Action Allow ``` - **Linux**: ```bash # 开放防火墙端口 sudo ufw allow 27017 sudo ufw reload ``` ##### 4. 端口占用检查和解决 ```bash # 查找占用27017端口的进程 netstat -ano | findstr :27017 # Windows lsof -i :27017 # Linux/macOS # 杀死占用进程(谨慎操作) kill -9 <PID> # Linux/macOS taskkill /F /PID <PID> # Windows ``` ##### 5. 测试连接的 Python 脚本 ```python from pymongo import MongoClient from pymongo.errors import ConnectionFailure import time def test_mongo_connection(attempts=3, delay=2): """测试 MongoDB 连接的重试函数""" for attempt in range(1, attempts + 1): try: client = MongoClient('mongodb://localhost:27017/', serverSelectionTimeoutMS=2000) client.server_info() # 触发服务器连接检查 print("✅ MongoDB 连接成功!") return True except ConnectionFailure as e: print(f"❌ 连接尝试 {attempt}/{attempts} 失败: {str(e)}") time.sleep(delay) print("⚠️ 所有连接尝试均失败,请检查 MongoDB 服务状态") return False if __name__ == "__main__": test_mongo_connection() ``` ##### 6. 备用连接方法 - 使用 Docker 如果本地安装有问题,可以使用 Docker 快速启动 MongoDB: ```bash # 拉取 MongoDB 镜像 docker pull mongo:latest # 启动 MongoDB 容器 docker run -d -p 27017:27017 --name mongodb -e MONGO_INITDB_ROOT_USERNAME=admin -e MONGO_INITDB_ROOT_PASSWORD=pass mongo ``` #### 连接成功后测试 ```javascript // 在 MongoDB shell 中执行 > db.runCommand({ping: 1}) // 成功响应: { "ok" : 1 } ``` #### 预防措施 1. **监控脚本**:创建服务监控脚本自动重启 MongoDB 2. **日志轮转**:配置日志轮转避免磁盘空间不足 ```yaml # 在 mongod.conf 中添加 systemLog: destination: file path: "/var/log/mongodb/mongod.log" logAppend: true logRotate: reopen ``` 3. **连接池管理**:在应用中配置合理的连接池参数 4. **健康检查端点**:为应用添加健康检查接口验证数据库连接
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