连接MongoDB时的报错

最新推荐文章于 2025-05-27 08:43:01 发布

原创最新推荐文章于 2025-05-27 08:43:01 发布 · 1.6k 阅读

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本文介绍了一种常见的MongoDB连接失败的问题，即由于防火墙设置导致的连接被拒绝的情况，并提供了解决方案：通过开放27017端口并重启项目来恢复正常连接。

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com.mongodb.MongoSocketOpenException: Exception opening socket
at com.mongodb.connection.SocketStream.open(SocketStream.java:63) ~[mongodb-driver-core-3.4.2.jar:na]
at com.mongodb.connection.InternalStreamConnection.open(InternalStreamConnection.java:115) ~[mongodb-driver-core-3.4.2.jar:na]
at com.mongodb.connection.DefaultServerMonitor$ServerMonitorRunnable.run(DefaultServerMonitor.java:113) ~[mongodb-driver-core-3.4.2.jar:na]
at java.lang.Thread.run(Unknown Source) [na:1.8.0_91]
Caused by: java.net.ConnectException: Connection refused: connect
at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method) ~[na:1.8.0_91]
at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source) ~[na:1.8.0_91]
at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source) ~[na:1.8.0_91]
at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source) ~[na:1.8.0_91]
at java.net.AbstractPlainSocketImpl.connect(Unknown Source) ~[na:1.8.0_91]
at java.net.PlainSocketImpl.connect(Unknown Source) ~[na:1.8.0_91]
at java.net.SocksSocketImpl.connect(Unknown Source) ~[na:1.8.0_91]
at java.net.Socket.connect(Unknown Source) ~[na:1.8.0_91]
at com.mongodb.connection.SocketStreamHelper.initialize(SocketStreamHelper.java:57) ~[mongodb-driver-core-3.4.2.jar:na]
at com.mongodb.connection.SocketStream.open(SocketStream.java:58) ~[mongodb-driver-core-3.4.2.jar:na]
... 3 common frames omitted

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错误类似

环境ubutu16

原因:

防火墙原因

解决:

ufw allow 27017(mongo端口)后重启项目