Cannot delete workspace :remote file operation failed

[pakrym]

We get a lot of Jenkins failures like https://ci3.dot.net/job/aspnet_IISIntegration/job/master/job/windows-Configuration_Release_prtest/75/console in https://github.com/aspnet/IISIntegration repo.

I suspect that it's caused by hanging w3wp or iisexpress processes that are not killed by default targets. Is there a way for us to kill processes before WS-CLEANUP runs or should I open PR to add them to common targets?

[mmitche]

This is the initial workspace cleanup, which means that a previous run still has processes running. AFAIK, this shouldn't happen because the previous run's processes should be killed by this time.

They are cleaned up by doing the following:

• Job has a cookie environment variable. All processes started by the job get the cookie.
• After run, find all processes in the system with the cookie and kill. This of course requires perms to kill those processes.

Could something you're doing be breaking that workflow?

[pakrym]

Yeah, we use full IIS and it's a service that runs from SYSTEM account. If we leave broken IIS instance running it might escape the cookie check.