一、mysql quartz 连接报错
org.quartz.JobPersistenceException: Couldn't acquire next trigger: The last packet successfully received from the server was 332,448 milliseconds ago.
The last packet sent successfully to the server was 143,973 milliseconds ago. is longer than the server configured value of 'wait_timeout'.
You should consider either expiring and/or testing connection validity before use in your application, increasing the server configured values for client timeouts,
or using the Connector/J connection property 'autoReconnect=true' to avoid this problem.
onger than the server configured value of 'wait_timeout'.
You should consider either expiring and/or testing connection validity before use in your application, increasing the server configured values for client timeouts, or using the Connector/J connection property 'autoReconnect=true' to avoid this problem.
Couldn't rollback jdbc connection. Communications link failure during rollback().
通过调整超时参数解决
mysql> show global variables like '%time%' ;
SET GLOBAL wait_timeout = 288000;
或者设置url 连接
&autoReconnect=true