php 采用nginx+集群方式发送socket 失败(linux环境)
nginxsocketphp
大家好，因为我是搞java的，php不太懂（以前同事离职了，我就负责顺便维护下php了），所以问一个问题，希望大家帮帮我
情况是这样的，之前没有使用集群方式，就是在一台服务器（linux环境,以下所说的服务器都是linux环境）使用apache+php的。php里面有个要
功能是要发送socket（发送给本服务器）和写日志，而且发送socket都正常。
现在增加了一台服务器，采用nginx+集群的方式，A服务器是主服务器（假设ip为a绑定访问的域名假设为www.a.com）
里面安装了nginx
B服务器(假设ip为b,没有绑定域名)安装了php，现在通过访问域名www.a.com，网站是可以正常访问，但是，socket却不能发送了。
为了验证是因为采用了集群方式照成，我通过访问b(B服务器ip方式访问)访问网站，发送socket是能发送的
现在很奇怪，为什么换成了集群方式就不行了呢，虽然换了集群，但是网站的请求执行还是在B服务器啊.是不是php有什么技术是因为集群会有影响的呢
不知道大家有没有遇到这样的情况，大家如果遇到了，告诉我是哪块出了问题，我好自己找资料解决，这里不贴代码，我只要知道是哪个环节照成的问题，谢谢了。
我尝试了文件权限的原因照成，但是尝试失败！
我也尝试了修改socket的ip为内网ip，尝试尝试仍然失败（换了集群方式，但是socket发送对象还是在B服务器，所以其实这个没必要尝试，跟这个没关系的）
我实在不知道还有啥方式尝试了。
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