Thanks Tim. I’d already worked through the common installation issues, but the 
troubleshooting guide led me to errors like:

“the supplied uri is not ours: 
http://irdev3.canterbury.ac.nz/server/api/core/sites/e979f79d-521d-4bf2-a182-961e8d149220”(with
 http instead of https)

I was then able to find a previous thread with the same issue, and your 
solution to add the  X-Forwarded-Proto header to the proxy 
(https://groups.google.com/g/dspace-tech/c/Y0bcDpSzIxc/m/UZKj3ypjBQAJ). So 
thanks for that! It works now 😊

Donna

From: Tim Donohue <tim.dono...@lyrasis.org>
Sent: Wednesday, 7 June 2023 3:55 AM
To: DSpace Technical Support <dspace-tech@googlegroups.com>; Donna Barber 
<donna.bar...@canterbury.ac.nz>
Subject: Re: [dspace-tech] No _links section found at...

You don't often get email from 
tim.dono...@lyrasis.org<mailto:tim.dono...@lyrasis.org>. Learn why this is 
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Hi Donna,

This error is listed in our "Common Installation Issues" at the bottom of the 
Installation guide.  See the hints/tips there for ways to fix it.

https://wiki.lyrasis.org/display/DSDOC7x/Installing+DSpace#InstallingDSpace-%22No_linkssectionfoundat...%22errorfromUserInterface

If none of those work, you may also want to see if other errors appear via our 
troubleshooting guide: 
https://wiki.lyrasis.org/display/DSPACE/Troubleshoot+an+error#Troubleshootanerror-DSpace7.x(orabove)

Tim
________________________________
From: 'donna....@canterbury.ac.nz' via DSpace Technical Support 
<dspace-tech@googlegroups.com<mailto:dspace-tech@googlegroups.com>>
Sent: Monday, June 5, 2023 11:38 PM
To: DSpace Technical Support 
<dspace-tech@googlegroups.com<mailto:dspace-tech@googlegroups.com>>
Subject: [dspace-tech] No _links section found at...

Hi,

I’m installing DSpace 7.5 but am experiencing the “No _links section found 
at...” error after starting up the UI. The UI loads in the browser, but it 
fails to load the collections and is stuck on an endless loading loop.

I’ve run some tests, and all seems well otherwise. When I visit 
https://irdev3.canterbury.ac.nz/server/api I get output equivalent to 
https://api7.dspace.org/server/api. Running yarn test:rest returns a 200 
response and validation checks are “true”.

I get the feeling that this is where my problem lies - the UI is running on the 
same machine as the backend and they’re both proxied via Apache. There’s no 
local security certificate – the sites are secured via the wider institutional 
firewall (F5 Big-IP), and I’m completely ignorant of the specifics of how 
that’s done. The backend is HTTPS, but I’m seeing some _links showing as http – 
is this an indication of an incorrect configuration somewhere?

  "type": "discover",
  "_links": {
    "facets": {
      "href": "http://irdev3.canterbury.ac.nz/server/api/discover/search/facets";
    },
    "objects": {
      "href": 
"http://irdev3.canterbury.ac.nz/server/api/discover/search/objects";
    },
    "self": {
      "href": "http://irdev3.canterbury.ac.nz/server/api/discover/search";
    }

Help appreciated – let me know if I need to provide any further details.

Thanks,
Donna
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