I have an odd problem:
I deployed a WSP package containing stuff and a site template using PowerShell
Add-SPSolution ...
Install-SPSolution ...
When now trying to create a new Site Collection, my template is visible and I can create a new site collection with my template.
When I try to look at all the installed site templates with PowerShell (Get-SPWebTemplate
) in the same session as before, the new template does not appear!
The same goes visa-versa: When retracting/deleting the solution, I cannot create a new site collection with the template anymore since it's gone. But in the still open PowerShell session the template is still visible.
The only solution: Open up a new PowerShell session after the solution has been retracted/deployed - only in this "fresh" session, the changes are synchronized.
My question is: How do I clear this PowerShell cache? How do I fetch the site template list directly from the server and not from some cache?
Some other guy also came up with closing/re-opening PowerShell (PowerShell caching leads to head-banging) - this can't be the solution...
Disclaimer: Cross post from "How to clear PowerShell Object Model Cache".
Turns out that PowerShell is actually caching some stuff in particular the OWSSVR.DLL
.
There are two (and ½) ways to overcome the problem:
I went with method 2 ½ (denoted 3) as it is just the easiest using a one-liner stsadm instead of calling up yet another PS session.
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