[CKAN-support] ODP-383

Thu Mar 13 22:17:49 UTC 2014

Dear OKF,

We recieved the next ticket ODP-383. This ticket reports a CKAN crash on
production.

The problem description is the following:

>> start_quote

We just discovered that today’s ESTAT package from 11:00 causes the
webserver to crash. After investigating the log files I noticed a new error
message right before the first crash, to confirm my suspicion I gave the go
ahead to Gregory Wassmann to relaunch the ingestion and it crashed again.

Here is a snippet from said log file for the 2nd crash:

[Tue Mar 11 14:36:49 2014] [error] Exception AttributeError: "'NoneType'
object has no attribute 'clearing'" in <bound method
PluginEnvironment.__del__ of  Services for Environment '<default>'

[Tue Mar 11 14:36:49 2014] [error] > ignored

[Tue Mar 11 14:36:49 2014] [error] Exception AttributeError: "'NoneType'
object has no attribute 'clearing'" in <bound method
PluginEnvironment.__del__ of  Services for Environment '<default>'

[Tue Mar 11 14:36:49 2014] [error] > ignored

[Tue Mar 11 14:36:50 2014] [error] Exception AttributeError: "'NoneType'
object has no attribute 'clearing'" in <bound method
PluginEnvironment.__del__ of  Services for Environment '<default>'

[Tue Mar 11 14:36:50 2014] [error] > ignored

[Tue Mar 11 14:36:50 2014] [error] Exception AttributeError: "'NoneType'
object has no attribute 'clearing'" in <bound method
PluginEnvironment.__del__ of  Services for Environment '<default>'

[Tue Mar 11 14:36:50 2014] [error] > ignored

[Tue Mar 11 14:36:50 2014] [error] Exception AttributeError: "'NoneType'
object has no attribute 'clearing'" in <bound method
PluginEnvironment.__del__ of  Services for Environment '<default>'

[Tue Mar 11 14:36:50 2014] [error] > ignored

[Tue Mar 11 14:36:50 2014] [error] Exception AttributeError: "'NoneType'
object has no attribute 'clearing'" in <bound method
PluginEnvironment.__del__ of  Services for Environment '<default>'

[Tue Mar 11 14:36:50 2014] [error] > ignored

[Tue Mar 11 14:36:52 2014] [error] [client 158.167.99.23] (2)No such file
or directory: mod_wsgi (pid=21578): Unable to connect to WSGI daemon
process 'ecodp' on '/var/run/wsgi.21367.0.1.sock' after multiple attempts.

As you can see, there are a couple of messages that indicate the usage of a
‘clearing’ attribute which seems to cause the problem as right after these
messages pop up, the server crashes, as indicated by the last line in the
snippet that I have included here in the email.

<< end_quote

Can you indicate from which CKAN module the above exceptions come? Note
that I find the above exceptions in older logs and so far they never
crashed the wsgi daemon (logs dating back to 4 september 2013).  Loading
the ESTAT on our test system does not result in a WSGI crash.

kind regards,

Bert

-- 
Bert Van Nuffelen

Semantic Technologies Software Architect at TenForce
www.tenforce.be

Bert.Van.Nuffelen at tenforce.com
Office: +32 (0)16 31 48 60
Mobile:+32 479 06 24 26
skype: bert.van.nuffelen
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