ERROR [com.alibaba.druid.pool.DruidDataSource] – init datasource error url: jdbc:mysql://xxx 解决方法

全栈程序员站长

发布于 2022-09-15 14:53:30

1.9K1

发布于 2022-09-15 14:53:30

大家好，又见面了，我是你们的朋友全栈君。

拿了一个旧项目，运行一下。控制台报错，具体错误信息如下：

2018-04-03 16:39:23,391 ERROR [com.alibaba.druid.pool.DruidDataSource] - init datasource error, url: jdbc:mysql://192.168.1.143:3306/public_platform?useUnicode=true&characterEncoding=utf-8
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)
	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:409)
	at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1127)
	at com.mysql.jdbc.MysqlIO.readPacke

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