gatewayworker数据库链接地址变动，导致报错64000

问题描述

events里面的数据库链接之前一直用的外部链接，昨晚改成内部链接并重启gateway后，刚刚重启的片刻，bussinessworker都起来了，设备也能正常收发指令，但是马上就又都掉下去了，把数据库再改回外链也不行，一直报这个错，提高gateway和bussiness的数量，也没用，这个问题持续了两个小时左右，那个时候系统里面应该有不少设备断电了，然后gatewayworker才恢复正常

报错信息

#12 {main}
2024-07-11 23:42:33 pid:20145 WORKER EXIT UNEXPECTED 
2024-07-11 23:42:33 pid:20134 worker[YourAppBusinessWorker:20145] exit with status 64000
2024-07-11 23:42:33 pid:20143 Exception: can not connect to tcp://***.*.*.*:*** Connection refused in /home/GatewayWorker/vendor/workerman/gateway-worker/src/Lib/Gateway.php:725
Stack trace:
#0 /home/GatewayWorker/vendor/workerman/gateway-worker/src/Lib/Gateway.php(674): GatewayWorker\Lib\Gateway::sendAndRecv('***.*.*.*:***', Array)
#1 /home/GatewayWorker/vendor/workerman/gateway-worker/src/BusinessWorker.php(359): GatewayWorker\Lib\Gateway::getSession('7f0000010b55000...')
#2 [internal function]: GatewayWorker\BusinessWorker->onGatewayMessage(Object(Workerman\Connection\AsyncTcpConnection), Array)
#3 /home/GatewayWorker/vendor/workerman/workerman/Connection/TcpConnection.php(480): call_user_func(Array, Object(Workerman\Connection\AsyncTcpConnection), Array)
#4 [internal function]: Workerman\Connection\TcpConnection->baseRead(Resource id #42, 2, Resource id #42)
#5 /home/GatewayWorker/vendor/workerman/workerman/Events/Event.php(185): EventBase->loop()
#6 /home/GatewayWorker/vendor/workerman/workerman/Worker.php(1569): Workerman\Events\Event->loop()
#7 /home/GatewayWorker/vendor/workerman/gateway-worker/src/BusinessWorker.php(190): Workerman\Worker->run()
#8 /home/GatewayWorker/vendor/workerman/workerman/Worker.php(959): GatewayWorker\BusinessWorker->run()
#9 /home/GatewayWorker/vendor/workerman/workerman/Worker.php(922): Workerman\Worker::forkOneWorker(Object(GatewayWorker\BusinessWorker))
#10 /home/GatewayWorker/vendor/workerman/workerman/Worker.php(430): Workerman\Worker::forkWorkers()
#11 /home/GatewayWorker/start.php(38): Workerman\Worker::runAll()