[Zope] Finding crash information

[Cornelis J. de Brabander]

-----Oorspronkelijk bericht-----
Van: Patrick Phalen <zope@teleo.net>
Aan: zope@zope.org <zope@zope.org>
Datum: donderdag 9 maart 2000 20:50
Onderwerp: Re: [Zope] Finding crash information


>Is there a chance all three of these instances are GUF related?

I guess not. The problem I  have fits the description, but I don't use GUF.
I have the impression though it has to do with busy interactions with a
Gadfly database. Platform: Windows NT, Zope 2.0.1.

cb

>
>[Jon Prettyman, on Thu, 09 Mar 2000]
>:: I'm having a serious problem with my Zope server running in
>:: production.
>::
>:: Platform: RedHat Linux 6 (2.2.12-20 kernel)
>::           Python 1.5.2
>::           Zope 2.1.4
>::           starting with: python z2.py
>::                          as root/nobody on port 80 straight ZServer
>::
>::
>:: Under load (not too heavy, but busy) the Zope process SILENTLY stops.
>:: I get no traceback info anywhere that I can see.  Nothing to
>:: stdout/stderr, nothing in Z2.log.
>::
>:: If I start as: python z2.py -Z '' to prevent the fork and detach I
>:: still get no message when the crash occurs.
>::
>:: I can't run this in DEBUG mode because I'm using GUF cookie mode to
>:: authenticate and the login screen ends up showing an exception error
>:: (by design?)
>::
>:: If anyone can tell me how to run in DEBUG mode but make GUF still hide
>:: the exception error that would be a big help.
>
>[jiva@devware.com, on Thu, 09 Mar 2000]
>:: I have seen a couple of people mention zope lockups on here before and
>:: I haven't seen any myself until just recently.  (I have zope on about
>:: 5-6 machines and this is the first time I've seen this happen)
>:: Anyway, how can I diagnose this problem?  So far I have only seen it
>:: happen twice, but it was twice in the last 24 hours, and I'm getting
>:: ready to roll out this app to some users.  I'm concerned!  Anyone have
>:: any suggestions?
>::
>:: Symptoms are basically that it just stops responding.  The web browser
>:: seems to connect, but it never completes the connection.  Right now I
>:: have it running in debug mode to see if I can catch whatever it is
>:: with some console logging.  This is on an NT Server running NT 4.0
>
>[Pavlos Christoforou, on Thu, 09 Mar 2000]
>:: On 9 Mar 2000, Jon Prettyman wrote:
>::
>:: >
>:: > Under load (not too heavy, but busy) the Zope process SILENTLY stops.
>:: > I get no traceback info anywhere that I can see.  Nothing to
>:: > stdout/stderr, nothing in Z2.log.
>::
>:: What a coincidence.
>::  I have exactly the same problem. One site with GUF and a CatalogAware
>:: ZClass which silently stops after some time. No errors.
>::
>:: The problem with GUF and DEBUG mode relates to lost filedescriptors.
>:: Someone posted an explanation (maybe a patch too). You might be able to
>:: locate it by doing a search on the list.
>
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