版权声明：转载记得写上我的博客浏览路径哦 https://blog.csdn.net/qq_32407233/article/details/83796836
com.mongodb.MongoSocketOpenException: Exception opening socket
at com.mongodb.internal.connection.SocketStream.open(SocketStream.java:67) ~[mongo-java-driver-3.8.2.jar:na]
at com.mongodb.internal.connection.InternalStreamConnection.open(InternalStreamConnection.java:126) ~[mongo-java-driver-3.8.2.jar:na]
at com.mongodb.internal.connection.DefaultServerMonitor$ServerMonitorRunnable.run(DefaultServerMonitor.java:117) ~[mongo-java-driver-3.8.2.jar:na]
at java.lang.Thread.run(Thread.java:748) [na:1.8.0_191]
Caused by: java.net.ConnectException: Connection refused (Connection refused)
at java.net.PlainSocketImpl.socketConnect(Native Method) ~[na:1.8.0_191]
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_191]
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_191]
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_191]
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_191]
at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_191]
at com.mongodb.internal.connection.SocketStreamHelper.initialize(SocketStreamHelper.java:64) ~[mongo-java-driver-3.8.2.jar:na]
at com.mongodb.internal.connection.SocketStream.open(SocketStream.java:62) ~[mongo-java-driver-3.8.2.jar:na]
... 3 common frames omitted
网上查找：springboot自动配置了支持mongodb。要禁用自动配置
@SpringBootApplication(exclude = MongoAutoConfiguration.class)：
这样子就没报错了。