Debugging SignalR hang

Question

Windows 7, SignalR2.

I have some HelloWorld SignalR code that works in one VS2013 project (Ie, my SignalR hello world playground).

When I add the same code

Answer 1

We traced this problem back to Glimpse.ASPNet. It attaches itself to PreSendRequestHeaders. Therefore, if you use Glimpse.ASPNet with SignalR, you might find you get threads locking up "forever".

Removing Glimpse.AspNet fixes the problem