Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:报错连接超时 - 代码天地

Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:报错连接超时

其他 2020-01-14 20:16:34 阅读次数: 0

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转载自blog.csdn.net/weixin_45346741/article/details/103130999

Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:报错连接超时

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

Caused by: java.net.ConnectException: Connection refused/Caused by: java.lang.RuntimeException: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

解决：Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException:

springboot连接mysql报错：com.mysql.jdbc.exceptions.jdbc4.CommunicationsException

MySQL错误com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:

mysql 报com.mysql.jdbc.exceptions.jdbc4.CommunicationsException

MySQL第二天早上第一次连接超时报错，解决方法com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:

【JDBC】报错Exception in thread “main”com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communica

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

mysql连接com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications l

mysql连接错误com.mysql.jdbc.exceptions.jdbc4.CommunicationsException

mysql连接错误：com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

程序报错`com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure`

Java项目com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure报错处理

报错解决com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

首次启动报错com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry 'qingmu' for key 'PRIMARY'

Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL

Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate ent

Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnection:ExceptionCould not create con

Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column ‘XXXXX’

mysql localhost可以连接，输入ip地址连接访问被拒绝（com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communic）

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure（MySQL连接问题服务未启动）

数据库报错：Cause com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:Communications link failure（已解决）

Mysql异常com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:Communications li

MySql报com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:（转载）

mysql——com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure Last pa

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