This is the exception I encountered whenever I run load test against HTTP or Web Service Requests using JMeter.
I am running 120 concurrent threads using a Windows based notebook.
After searching, I found that this problem is Windows based. There is a article at http://support.microsoft.com/kb/q196271, which says Windows XP only will make outbound TCP/IP connections using ports 1024-5000, and takes up to 4 minutes to recycle them. Therefore, if you do a lot of connections in a short amount of time, you
can easily eat that port range up.
- Start Registry Editor.
- Locate the following subkey in the registry, and then click Parameters:
- On the Edit menu, click New, and then add the following registry entry:
- Exit Registry Editor, and then restart the computer.