order项目启动报错

Question

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_161]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_161]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_161]
at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_161]
at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) ~[mysql-connector-java-5.1.46.jar:5.1.46]
at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:990) ~[mysql-connector-java-5.1.46.jar:5.1.46]
at com.mysql.jdbc.MysqlIO.(MysqlIO.java:342) ~[mysql-connector-java-5.1.46.jar:5.1.46]
at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2188) ~[mysql-connector-java-5.1.46.jar:5.1.46]

这是我的配置：
datasource:
driver-class-name: com.mysql.jdbc.Driver
username: root
password: O:qweqe
url: jdbc:mysql://47.107.169.167:3306/cmu?characterEncoding=utf-8&useSSL=false
product项目也是这个配置，不会报这个错

Answer 1

慕移动2918432 2019-07-17 21:48:36

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

你后来怎么解决的？

Answer 2

廖师兄 2018-12-06 22:20:25

日志再多发一些