[Zope] Exception within ZServer hangs Zope

Dennis Allison allison at sumeru.stanford.EDU
Tue Nov 25 10:43:18 EST 2003


Jure --
What Zope are you using? what OS?  which python? what machine?  That
information is need to help sort out the problem.  Is this something 
that just started happening in a system that has been running for a 
while without a problem?  Have you recently upgraded either Python or
Zope?  

The exception happens in the guts of ZServer during a close when a unicode
string is found on a fifo. I suspect that changing the test to allow
ignore unicode stings as well as traditional strings would solve the 
problem, but I don't know the code well enough to say for certain.

On Tue, 25 Nov 2003, Jure Koren wrote:

> Has anyone seen this? I causes zope to just hang, and I don't have
> a clue as to where to start looking. It seems it happens within the
> ZServer, but I couldn't find a line in the entire tree of Zope that
> would assign a suspicious value to that 'p' variable. Can anyone
> suggest how to detect this and at least restart Zope, as this is
> causing us service outages (the question is really how to properly
> programatically restart Zope, as if you push Restart Zope within
> the control panel). Is killing -15 zope processes safe?




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