[ckan-dev] PluginNotFoundException even though it works.

Fri Jun 20 11:24:37 UTC 2014

Hi Rachel,

Thank you. I will look into this.

Fra: ckan-dev [mailto:ckan-dev-bounces at lists.okfn.org] På vegne af Rachel Knowler
Sendt: 20. juni 2014 11:53
Til: ckan-dev at lists.okfn.org
Emne: Re: [ckan-dev] PluginNotFoundException even though it works.

Hi Henrik,

I've also been getting error messages like those when writing plugins recently. I guess you have seen this page, which was almost all I could find when searching the internet for similar issues: http://trac.ckan.org/ticket/908.html. It seems that the problem might be something to do with the Apache wsgi script, but I don't know how or why!

In my case, I narrowed the cause of the problem down to the plugin getting the group_list API action function (http://docs.ckan.org/en/latest/api/#ckan.logic.action.get.group_list). This was strange, because it was properly using the plugins toolkit to get the action, and because elsewhere in the plugin the actions group_show and group_create worked fine. I ended up working around this in the plugin.

Can you try eliminating API functions from your plugin to find out if any of them are causing the problem?

Cheers,
Rachel
On 20.06.2014 08:56, Henrik Aagaard Sørensen wrote:
This is the log from Apache:

[Fri Jun 20 08:53:03 2014] [error] Exception AttributeError: "'NoneType' object has no attribute 'clearing'" in <bound method PluginEnvironment.__del__ of  Services for Environment '<default>'
[Fri Jun 20 08:53:03 2014] [error] > ignored
[Fri Jun 20 08:53:03 2014] [error] Exception AttributeError: "'NoneType' object has no attribute 'clearing'" in <bound method PluginEnvironment.__del__ of  Services for Environment '<default>'
[Fri Jun 20 08:53:03 2014] [error] > ignored
Error opening file for reading: Permission denied
Error opening file for reading: Permission denied
...

Any idea on what it could mean?

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