[Zope] perpetual outages

[Dieter Maurer]

Michael Sanborn writes:
 > I've been having problems with Zope failing, resulting in a "Temporarily 
 > Unavailable" message when anyone tries to access the site.
 > ...
 > All I know is, the threads are still running, but nothing's accessible. If 
 > I kill the threads and restart Zope, it works again -- for a while.
I have seen this problem with two lazy Zope sites (yes, many
others reported similar problems).
When I installed a checker process that periodically checks
availability, the problem went away.
I cannot explain this....


Dieter