项目运行一段时间，报错打不开

问题描述

这里详细描述问题
线上项目 开始好的，运行一段时间后项目打不开（开始就用的这个端口，怎么后面占用了），重启、进程杀了重新打开也是下面报错，最后没办法换个端口就好了，但是没找到错误原因，后面不知道是否还会出现

报错信息

stream_socket_server(): unable to connect to tcp://127.0.0.1:8787 (Address already in use) in file /www/wwwroot/web-admin/vendor/workerman/workerman/Worker.php on line 2363
root@master:/www/wwwroot/web-admin# PHP Fatal error:  Uncaught Exception: Address already in use in /www/wwwroot/web-admin/vendor/workerman/workerman/Worker.php:2365
Stack trace:
#0 /www/wwwroot/web-admin/vendor/workerman/workerman/Worker.php(700): Workerman\Worker->listen()
#1 /www/wwwroot/web-admin/vendor/workerman/workerman/Worker.php(555): Workerman\Worker::initWorkers()
#2 /www/wwwroot/web-admin/vendor/workerman/webman-framework/src/support/App.php(131): Workerman\Worker::runAll()
#3 /www/wwwroot/web-admin/start.php(4): support\App::run()
#4 {main}
  thrown in /www/wwwroot/web-admin/vendor/workerman/workerman/Worker.php on line 2365

Fatal error: Uncaught Exception: Address already in use in /www/wwwroot/web-admin/vendor/workerman/workerman/Worker.php:2365
Stack trace:
#0 /www/wwwroot/web-admin/vendor/workerman/workerman/Worker.php(700): Workerman\Worker->listen()
#1 /www/wwwroot/web-admin/vendor/workerman/workerman/Worker.php(555): Workerman\Worker::initWorkers()
#2 /www/wwwroot/web-admin/vendor/workerman/webman-framework/src/support/App.php(131): Workerman\Worker::runAll()
#3 /www/wwwroot/web-admin/start.php(4): support\App::run()
#4 {main}
  thrown in /www/wwwroot/web-admin/vendor/workerman/workerman/Worker.php on line 2365

操作系统及workerman/webman等框架组件具体版本

这里写具体的系统环境相关信息
php 7.4
Webman-framework v1.5.16