页面打不开，后台数据库链接报错

【myApps/OBPM版本号】：v5.0 sp 2
【浏览器类型】：Chrome/其他
【联系方式-QQ】：请留下您的QQ号码
【联系电话】:    请留下您的联系电话，以便技术同事更好解决您的问题
【问题描述】：

tomcat和mysql的并发连接改到5000.
当用户连接达到1000左右的时候出现登录页面无法打开的情况。注：我们是用户从企业微信登录比较多。



23-Nov-2022 15:16:49.206 严重 [http-nio-8080-exec-2829] org.springframework.boot.web.servlet.support.ErrorPageFilter.forwardToErrorPage Forwarding to error page from request [/api/runtime/login/checkin] due to exception [Could not open JPA EntityManager for transaction; nested exception is org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection]
org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction; nested exception is org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection
。。。。。

Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection

Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30000ms.






1、问题描述最好图文并茂，如有视频/脚本可直接放出，这样技术同事在处理该问题时效率更加高效哦~
2、如果该问题已得到解决，请在该帖子下回复\"已解决可结帖\"

application.yml的连接数有没有配大？