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

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

其他 2018-05-18 20:31:44 阅读次数: 6

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转载自www.cnblogs.com/biehongli/p/9057852.html

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

Caused by: 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

异常：Caused by:java.net.ConnectException:Connection refused: connect

Caused by: java.net.ConnectException: Connection refused: connect

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

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

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

[Exception] com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

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

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

问题记录——com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

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

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

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packe

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure 解决方案

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

Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure

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

troubshooting-sqoop 导出 TiDB表数据报com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure最简单有效的解决方案

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

Java连接MySQL数据库报com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure错误

[开发|java] 链接数据库报com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure错误

Caused by: java.net.ConnectException: Connection refused: connect 连接被拒绝异常

Caused by: java.net.ConnectException: Connection timed out: connect

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

org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent succ

【已解决】caused by: com.mysql.cj.exceptions.cjcommunicationsexception: communications link failure

Caused by: java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=999, r

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