12:07:24.431 [schedule-pool-1] INFO  sys-user - [run,55] - [127.0.0.1]内网IP[admin][Error][
### Error querying database.  Cause: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet successfully received from the server was 22,475 milliseconds ago. The last packet sent successfully to the server was 23,042 milliseconds ago.
### The error may exist in file [/Users/a123/Documents/Works25/Maintech-MOM/mom-system/mom-backend/ktg-system/target/classes/mapper/system/SysUserMapper.xml]
### The error may involve com.ktg.system.mapper.SysUserMapper.selectUserByUserName-Inline
### The error occurred while setting parameters
### SQL: select u.user_id, u.dept_id, u.user_name, u.nick_name, u.email, u.avatar, u.phonenumber, u.password, u.sex, u.status, u.del_flag, u.login_ip, u.login_date, u.create_by, u.create_time, u.remark,         d.dept_id, d.parent_id, d.dept_name, d.order_num, d.leader, d.status as dept_status,         r.role_id, r.role_name, r.role_key, r.role_sort, r.data_scope, r.status as role_status         from sys_user u       left join sys_dept d on u.dept_id = d.dept_id       left join sys_user_role ur on u.user_id = ur.user_id       left join sys_role r on r.role_id = ur.role_id         where u.user_name = ?
### Cause: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet successfully received from the server was 22,475 milliseconds ago. The last packet sent successfully to the server was 23,042 milliseconds ago.
; Communications link failure

The last packet successfully received from the server was 22,475 milliseconds ago. The last packet sent successfully to the server was 23,042 milliseconds ago.; nested exception is com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet successfully received from the server was 22,475 milliseconds ago. The last packet sent successfully to the server was 23,042 milliseconds ago.]
12:08:42.565 [schedule-pool-1] INFO  sys-user - [run,55] - [127.0.0.1]内网IP[admin][Success][登录成功]
13:29:15.109 [schedule-pool-2] INFO  sys-user - [run,55] - [127.0.0.1]内网IP[admin][Success][登录成功]
14:45:30.851 [Thread-6] INFO  sys-user - [shutdownAsyncManager,31] - ====关闭后台任务任务线程池====
15:51:52.422 [Thread-9] INFO  sys-user - [shutdownAsyncManager,31] - ====关闭后台任务任务线程池====
15:57:28.597 [schedule-pool-1] INFO  sys-user - [run,55] - [127.0.0.1]内网IP[admin][Success][登录成功]
17:00:41.120 [schedule-pool-7] INFO  sys-user - [run,55] - [127.0.0.1]内网IP[admin][Success][登录成功]
19:20:23.673 [SpringApplicationShutdownHook] INFO  sys-user - [shutdownAsyncManager,31] - ====关闭后台任务任务线程池====
19:46:49.482 [schedule-pool-1] INFO  sys-user - [run,55] - [127.0.0.1]内网IP[admin][Success][登录成功]
20:10:33.369 [schedule-pool-1] INFO  sys-user - [run,55] - [127.0.0.1]内网IP[admin][Success][登录成功]
21:25:59.577 [Thread-6] INFO  sys-user - [shutdownAsyncManager,31] - ====关闭后台任务任务线程池====
21:58:25.214 [schedule-pool-1] INFO  sys-user - [run,55] - [127.0.0.1]内网IP[admin][Success][登录成功]
22:05:21.405 [Thread-6] INFO  sys-user - [shutdownAsyncManager,31] - ====关闭后台任务任务线程池====
22:10:48.181 [Thread-9] INFO  sys-user - [shutdownAsyncManager,31] - ====关闭后台任务任务线程池====
22:11:02.788 [SpringApplicationShutdownHook] INFO  sys-user - [shutdownAsyncManager,31] - ====关闭后台任务任务线程池====
22:11:39.150 [schedule-pool-1] INFO  sys-user - [run,55] - [127.0.0.1]内网IP[admin][Success][登录成功]
22:16:33.471 [Thread-6] INFO  sys-user - [shutdownAsyncManager,31] - ====关闭后台任务任务线程池====
22:18:19.748 [Thread-9] INFO  sys-user - [shutdownAsyncManager,31] - ====关闭后台任务任务线程池====
22:20:27.887 [SpringApplicationShutdownHook] INFO  sys-user - [shutdownAsyncManager,31] - ====关闭后台任务任务线程池====
22:25:38.241 [SpringApplicationShutdownHook] INFO  sys-user - [shutdownAsyncManager,31] - ====关闭后台任务任务线程池====
22:29:02.226 [schedule-pool-1] INFO  sys-user - [run,55] - [127.0.0.1]内网IP[admin][Success][登录成功]
23:20:35.392 [Thread-6] INFO  sys-user - [shutdownAsyncManager,31] - ====关闭后台任务任务线程池====