xxl-job 连接不上数据库

xxl-job 连接不上数据库

问题描述

xxl-job 启动后，报连接不上数据库

2024-04-07 09:42:03,574 ERROR [xxl-job, admin JobFailMonitorHelper] com.zaxxer.hikari.pool.HikariPool [HikariPool.java : 587] HikariCP - Exception during pool initialization.
java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
    at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110)
...
    at java.lang.Thread.run(Thread.java:748)
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure

解决方法

修改 xxl-job 配置文件 application.properties 的超时时间,单位ms