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What should I do if workerman fails to start?

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Release: 2019-12-12 13:31:06
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What should I do if workerman fails to start?

workerman 启动失败怎么办?

workerman启动失败

现象1

启动后报错类似如下:

php start.php start
PHP Warning:  stream_socket_server(): unable to connect to tcp://xx.xx.xx.xx:xxxx (Address already in use) in ...workerman/Worker.php on line xxxx
Copy after login

关键字: Address already in use

失败原因:

端口被占用,无法启动。

可以通过命令netstat -anp | grep 端口号来找出哪个程序占用了端口。

然后停止对应的程序释放端口解决。

如果不能停止对应端口的程序,可以通过更换workerman的端口解决。

如果是Workerman占用的端口,又无法通过stop命令停止(一般是丢失pid文件或者主进程被开发者kill了导致),可以通过运行以下两个命令杀死Workerman进程。

killall php
ps aux|grep WorkerMan|awk '{print $2}'|xargs kill -9
Copy after login

如果确实没有程序监听这个端口,那么可能是开发者在workerman里设置了两个或两个以上的监听,并且监听的端口相同导致,请开发者自行检查启动脚本是否监听了相同的端口。

现象2

启动后报错类似如下:

PHP Warning:  stream_socket_server(): unable to connect to tcp://xx.xx.xx.xx:xxx (Cannot assign requested address) in ...workerman/Worker.php on line xxxx
Copy after login

或者

PHP Warning:  stream_socket_server(): unable to connect to tcp://xx.xx.xx.xx:xxxx (在其上下文中,该请求的地址无效) in ...workerman/Worker.php on line xxxx
Copy after login

关键字:Cannot assign requested address或者该请求的地址无效

失败原因:

启动脚本监听ip参数写错,不是本机ip,请填写本机ip机或者填写 0.0.0.0(表示监听本机所有ip)即可解决。

提示:Linux系统可以通过命令 ifconfig查看本机所有网卡ip。

如果您是云服务器(阿里云/腾讯云等)用户,注意您的公网ip实际可能是个代理ip(例如阿里云的专有网络),公网ip并不属于当前的服务器,所以无法通过公网ip监听。虽然不能用公网ip监听,但是仍然可以通过0.0.0.0来绑定。

现象3

Waring stream_socket_server has been disabled for security reasons in ...
Copy after login

失败原因:

stream_socket_server 函数被php.ini禁用

解决方法

1、运行php --ini 找到php.ini文件

2、打开php.ini找到disable_functions一项,将stream_socket_server禁用项删掉

现象4

PHP Warning:  stream_socket_server(): unable to connect to tcp://0.0.0.0:xxx (Permission denied)
Copy after login

失败原因

linux下监听端口如果小于1024,需要root权限。

解决办法

使用大于1024的端口或者使用root用户启动服务。

推荐:workerman使用教程

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