The first startup error com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure - Code World

The first startup error com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

Enterprise 2023-08-02 10:43:40 views: null

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Origin blog.csdn.net/weixin_42767099/article/details/105242980

The first startup error com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

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

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

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

troubshooting-sqoop TiDB export table data packets com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

If the error is reported according to the microservice project: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

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

A daily pit: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

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

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

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

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

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

Database error: Cause com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure (resolved)

Database error: Cause com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure (resolved)

Mysql connection error: Communications link failure

Gerrit mysql error: Communications link failure

JDBC连接数据库出现com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

MySQL reported an error for the first connection timeout the next morning, the solution com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:

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

The Ambari-Ranger component modified the MySQL default port and caused the startup failure to solve the problem (Communications link failure)

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Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Connection timed out error

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