“由于系统缺乏足够的缓冲区空间或因为队列已满，无法对套接字执行操作" [英] "An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full"

问题描述

我用 C# 编写了一个 IP 多播应用程序.它编译得很好，但在运行时这一行:

I've written an IP multicasting application in C#. It compiles fine, but at runtime this line:

sock.SetSocketOption(SocketOptionLevel.IP,
                     SocketOptionName.AddMembership,
                     new MulticastOption(IPAddress.Parse("224.100.0.1")));

抛出一个未处理的套接字异常:

throws an unhandled socket exception:

由于系统缺少足够的缓冲区空间或队列已满，无法对套接字执行操作

An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full

我在 Google 中搜索了错误，人们建议删除可能已启用的 3GB 开关(我的操作系统是 Windows 7).我这样做了，但仍然得到同样的错误.可能是什么问题?

I searched for the error in Google and people have suggested to remove the 3GB switch (my OS is Windows 7) which may have been enabled. I did that, but still get the same error. What could be the issue?

推荐答案

可能是端口耗尽.当应用程序在短时间内建立过多的传出连接或未正确处理传出连接时 - 您的端口用完了.

It could be port exhaustion. When application(s) makes too many outgoing connections in short time frame or does not dispose outgoing connections properly - you run out of ports.

这里是相当冗长的解释和诊断问题的方法的链接

Here is the link to rather lengthy explanation and a way to diagnose the issue

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