com.mongodb.MongoSocketOpenException: Exception opening socket at com.mongodb.connection.SocketStream.open(SocketStream.java:63) ~[mongodb-driver-core-3.4.2.jar:?] at com.mongodb.connection.InternalStreamConnection.open(InternalStreamConnection.java:115) ~[mongodb-driver-core-3.4.2.jar:?] at com.mongodb.connection.DefaultServerMonitor$ServerMonitorRunnable.run(DefaultServerMonitor.java:113) [mongodb-driver-core-3.4.2.jar:?] at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method) ~[?:1.7.0_79] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85) ~[?:1.7.0_79] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339) ~[?:1.7.0_79] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200) ~[?:1.7.0_79] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182) ~[?:1.7.0_79] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[?:1.7.0_79] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[?:1.7.0_79] at java.net.Socket.connect(Socket.java:579) ~[?:1.7.0_79]
启动spring boot 结果直接报mongodb错误，挺奇怪的工程还没有配置mongodb 。猜想是不是工程有mongodb jar包 然后 boot 自然配置了 查了资料原来 springboot自动配置了支持mongodb。在启动springboot时会自动实例化一个mongo实例。 现在要禁用自动配置 @SpringBootApplication(exclude = MongoAutoConfiguration.class)： 这个注解可以禁用springboot自带的配置。
