[Zope] Zope stability problems under Linux SuSe 6.4 (Kernel 2.2.14)

Philipp Auersperg zope@philosoft.at
Thu, 27 Jul 2000 17:36:09 +0200


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Quite regularily I encounter stability problems with Zope:

Suddenly without heavy use My Zope process rises the below mentioned error=
 message and then does not accept any IP connections and must be manually=
 stopped and restarted.

These lockups happen under SuSe 6.4, I can reproduce it on two different=
 machies :
   - celeron 400 MHz single processor 256 MB
  and
   - Pentium III 650 MHz dual processor 256 MB

Also the seem to be independent of the Zope version ,I encountered them=
 with the versions
  2.1.4, 
  all 2.2.0 betas
  2.2.0 release

The problems happen with standard config and with multiple threads (-t 10=
 option)
   
------
2000-07-27T14:58:02 ERROR(200) ZServer uncaptured python exception, closing=
 
channel <zhttp_server listening :8080 at 8717a48> 
(exceptions.TypeError:unpack 
non-sequence
 [/usr/local/Zope-2.1.4-linux2-x86/ZServer/medusa/asyncore.py|poll|59] 
[/usr/local/Zope-2.1.4-linux2-x86/ZServer/medusa/asyncore.py|handle_read_eve=
nt|285] 
[/usr/local/Zope-2.1.4-linux2-x86/ZServer/medusa/http_server.py|handle_accep=
t|609]
)
--------------

Any hints? 
it's quite annoying, I dont want to run Zope under Windows (it runs stable=
 there).

I have no clue because I did not fiddle around in the Zope source nor in=
 the Linux kernel (2.2.14), 
but considering that zope.org runs under linux there must be a solution


thanks in advance
Philipp Auersperg (zwork)


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<DIV>Quite regularily I encounter stability problems with Zope:</DIV>
<DIV>&nbsp;</DIV>
<DIV>Suddenly without heavy use My Zope process rises the below mentioned error 
message and then does not accept any IP connections and must be manually stopped 
and restarted.</DIV>
<DIV>&nbsp;</DIV>
<DIV>These lockups happen under SuSe 6.4, I can reproduce it on two different 
machies :</DIV>
<DIV>&nbsp;&nbsp;&nbsp;-&nbsp;celeron 400 MHz single processor 256 MB</DIV>
<DIV>&nbsp; and</DIV>
<DIV>&nbsp;&nbsp; - Pentium III 650 MHz dual processor 256 MB</DIV>
<DIV>&nbsp;</DIV>
<DIV>Also the seem to be independent of the Zope version ,I encountered them 
with the versions</DIV>
<DIV>&nbsp; 2.1.4, </DIV>
<DIV>&nbsp; all 2.2.0 betas</DIV>
<DIV>&nbsp; 2.2.0 release</DIV>
<DIV>&nbsp;</DIV>
<DIV>The problems happen with standard config and with multiple threads (-t 10 
option)</DIV>
<DIV>&nbsp;&nbsp; <BR>------<BR>2000-07-27T14:58:02 ERROR(200) ZServer 
uncaptured python exception, closing </DIV>
<DIV>channel &lt;zhttp_server listening :8080 at 8717a48&gt; </DIV>
<DIV>(exceptions.TypeError:unpack </DIV>
<DIV>non-sequence</DIV>
<DIV>&nbsp;[/usr/local/Zope-2.1.4-linux2-x86/ZServer/medusa/asyncore.py|poll|59] 
</DIV>
<DIV>[/usr/local/Zope-2.1.4-linux2-x86/ZServer/medusa/asyncore.py|handle_read_event|285] 
</DIV>
<DIV>[/usr/local/Zope-2.1.4-linux2-x86/ZServer/medusa/http_server.py|handle_accept|609]</DIV>
<DIV>)</DIV>
<DIV>--------------</DIV>
<DIV>&nbsp;</DIV>
<DIV>Any hints? </DIV>
<DIV>it's quite annoying, I dont want to run Zope under Windows (it runs stable 
there).</DIV>
<DIV>&nbsp;</DIV>
<DIV>I have no clue because I did not fiddle around in the Zope source nor in 
the Linux kernel (2.2.14), </DIV>
<DIV>but considering that zope.org runs under linux there must be a 
solution</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>thanks in advance</DIV>
<DIV>Philipp Auersperg (zwork)</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV></BODY></HTML>


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