[ckan-dev] PDF Preview not working with Alternative DNS

[Michael Speth]

Greetings,
  A production instance of CKAN has 2 URLs.  The primary URL is specified in the production.ini for the site url: ckan.site_url = http://ckan.zen.landcareresearch.co.nz

The other is http://datastore.landcareresearch.co.nz/ which redirects to ckan.zen (but maintaines the datastore url).

The preview function doesn't work on PDFs when using the alternative URL but the primary URL does work.

Alternative URL Example
http://datastore.landcareresearch.co.nz/dataset/post-89-plantation-forest-soils/resource/31507031-cd7c-47d3-b713-9c0771f9f5ef

Primary URL which works
http://ckan.zen.landcareresearch.co.nz/dataset/post-89-plantation-forest-soils/resource/31507031-cd7c-47d3-b713-9c0771f9f5ef

Another thing to note, is that the direct download link for the PDF works on the Alternative URL.

Any ideas of what might be causing the issue?

--
Michael Speth
DevOps Computer Engineer
Landcare Research Consultant

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