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

临海听风V

已于 2022-03-06 16:08:40 修改

阅读量9.2w

点赞数 4

CC 4.0 BY-SA版权

分类专栏： Java java开发文章标签： ios swift objective-c

于 2018-04-03 16:57:06 首次发布

本文链接：https://blog.youkuaiyun.com/samuelandkevin/article/details/79805925

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.readPacket(MysqlIO.java:674)
	at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1086)
	at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2506)
	at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2539)
	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2321)
	at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:832)
	at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46)
	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.ConnectionImpl.getInstance(ConnectionImpl.java:417)
	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:148)
	at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:211)
	at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:142)
	at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1377)
	at com

最低0.47元/天解锁文章