運行報錯

ERROR [RMI TCP Connection(3)-127.0.0.1] - init datasource error, url: jdbc:mysql://localhost:3366/sm?useUnicode=true&characterEncoding=utf8
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

Last packet sent to the server was 0 ms ago.
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
	at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1074)

解決方法：把端口改一下，端口問題

jdbc:mysql://localhost:3306/sm?useUnicode=true&characterEncoding=utf8

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猜您在找 [ERROR] 2020-08-03 10:18:11 [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:350) Context initialization failed 解決RMI的Connection refused to host: 127.0.0.1 報錯[RMI TCP Connection(2)-127.0.0.1] org.apache.tomcat.util.modeler.BaseModelMBean.invoke Exception invoking method [manageApp] 遠程JMX訪問拒絕：Caused by: java.rmi.ConnectException: Connection refused to host: 127.0.0.1; nested 解決k8s Get http://127.0.0.1:10252/healthz: dial tcp 127.0.0.1:10252: connect: connection refused 調用遠程主機上的 RMI 服務時拋出 java.rmi.ConnectException: Connection refused to host: 127.0.0.1 異常原因及解決方案 Exception in thread "RMI TCP Connection(idle)" java.lang.OutOfMemoryError: PermGen space Exception in thread "RMI TCP Connection(idle)" java.lang.OutOfMemoryError: PermGen space creating server tcp listening socket 127.0.0.1:6379: bind No error creating server tcp listening socket 127.0.0.1:6379: bind No error