www.shuidian.com, request: "GET / HTTP/1.1", host: "www.shuidian.com"
2021/05/29 03:12:22 [notice] 31023#0: signal process started
2021/05/29 03:12:22 [alert] 31023#0: kill(16629, 3) failed (3: No such process)
2021/05/29 03:13:09 [notice] 31163#0: signal process started
2021/05/29 03:13:09 [alert] 31163#0: kill(16629, 1) failed (3: No such process)
2021/05/29 03:13:11 [notice] 31170#0: signal process started
2021/05/29 03:13:11 [alert] 31170#0: kill(16629, 3) failed (3: No such process)
2021/05/29 03:14:16 [notice] 31561#0: signal process started
2021/05/29 03:14:16 [alert] 31561#0: kill(16629, 1) failed (3: No such process)
2021/05/29 03:14:18 [notice] 31603#0: signal process started
2021/05/29 03:14:18 [aler大带宽服务器t] 31603#0: kill(16629, 3) failed (3: No such process)
2021/05/29 03:18:31 [notice] 31749#0: signal process started
2021/05/29 03:18:31 [alert] 31749#0: kill(16629, 3) failed (3: No such process)
2021/05/29 09:33:10 [notice] 38108#0: signal process started
2021/05/29 09:33:10 [alert] 38108#0: kill(16629, 3) failed (3: No such process)
2021/05/29 09:34:16 [notice] 38185#0: signal process started
2021/05/29 09:34:16 [alert] 38185#0: kill(16629, 3) failed (3: No such process)
2021/05/29 11:16:14 [notice] 38984#0: signal process started
2021/05/29 11:16:14 [alert] 38984#0: kill(16629, 3) failed (3: No such process)
2021/05/29 11:18:11 [notice] 39124#0: signal process started
2021/05/29 11:18:11 [alert] 39124#0: kill(16629, 3) failed (3: No such process)
2021/05/29 11:21:32 [notice] 39428#0: signal process started
2021/05/29 11:21:32 [alert] 39428#0: kill(16629, 3) failed (3: No such process)
2021/05/29 11:25:53 [notice] 40072#0: signal process started
2021/05/29 11:25:53 [alert] 40072#0: kill(16629, 1) failed (3: No such process)
2021/05/29 11:25:56 [notice] 40142#0: signal process started
2021/05/29 11:25:56 [alert] 40142#0: kill(16629, 3) failed (3: No such process)

nginx 日志里抱错信息是这样的，从来没见过，请问这是什么情况？
电脑上打不开 v2，所以是在手机上发帖的，如果格式不好看还请见谅

可能是 nginx 的监听端口：8090 被占用了

因为进程就没起成功，所以杀掉杀掉进程就显示进程不存在正常的

因为你根本没有启用这个进程

先检查下进程是不是存在
ps aux | grep nginx
再检查 nginx 的错误日志。