We have a web application that has been developed using Active VFP v2. We are running the application on Windows 2003 server and we are experiencing some issues with the application hanging. We have setup a separate app pool for the application
in IIS but the app is haning on a regular basis, sometimes once a day. We have to recycle the app pool or terminate the process in order to get the site back up. We have been running the site since February and this has only started occuring in
the last 4 weeks.
We have run IIS debug diag on the server to watch for hangs. This is picking up when the app is hanging and showing multiple threads, some of which appear to be open for some hours. The debug report is advising that the pool has grown to its
maximum size, and that some threads do not appear to have activity bound to them. It is showing that the COM+ STA has a max of 50 threads with 50 threads running and only 1 activity per thread.
The app itself is reasonably sound and we do not get any errors. In addition that hang appears to occur in various sections of the app randomly so not pointing to any code.
Any help that you can offer in troubleshooting the hang would be appreciated.
Carousel Logistics Ltd