Lubos, do you have an opportunity to disable the proxy for a bit? So we can narrow down the suspects. 
Martin

On Wed, Apr 14, 2021 at 11:22 AM Lubos Klucar <klucar@embnet.sk> wrote:
Dear Helena,

thanks a lot, but I'm afraid this is not the case - 'RequestHeader' is
set as described.

It should be probably some trivial mistake hidden somewhere in the
config files, which enable/disable a proper construction of URL text
string. I was looking everywhere, but still no luck.

best

Lubos

On 14/04/2021 10:40, Helena Rasche wrote:
> Your proxy might not be forwarding the protocol if that's the issue
> you're seeing.
>
> e.g. for apache, https://docs.galaxyproject.org/en/master/admin/apache.html
>
>      # Galaxy needs to know that this is https for generating URLs
>      RequestHeader  set X-URL-SCHEME"%{REQUEST_SCHEME}e" Hope that helps, Ciao
>
> On 14/04/2021 10:38, klucar@embnet.sk wrote:
>> When clicking dataset visualisation links (UCSC, IGV, IGB, bam.iobio bam.iobio.io ...) on my galaxy installation [20.09] I'm always getting error:
>>
>> Error: (null)://mygalaxy.mydomain.org/display_application/3d954174ae8d....
>>
>> When manually changing the link from "(null)://" to "https://" the link is fully functional.
>>
>> Other links from galaxy interface (download icon for any dataset) works without any problems.
>>
>> Any help would be highly appreciated!
>>
>> best
>>
>> Lubos
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--

                 Lubos Klucar

                 Institute of Molecular Biology
                 Slovak Academy of Science
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___________________________________________________________
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