After installation by coolwsd facing the issue
“Well, this is embarrassing, we cannot connect to your document. Please try again.”
coolwsd is setup as http protocol.
ubuntu 22.04. collabora development edition.please help
Hey @shakti, welcome to the forum + thanks for the question. 
- What installation instructions were you following?
- What is the exact version of Collabora you installed?
You also mentioned you set it up as “HTTP protocol”… I’m not sure what that means. Can you please explain a little further?
Ubuntu 22.04
1.installed as per the link below
and configured nginx with reverse proxy with http from link below
2.enabled filesystem true for testing purpose as per instruction from link blow
4.trying to open a file with url below
http://collabora.domain.com/browser/5093121/cool.html?file_path=file:///home/ubuntu/test.xlsx
then it gives me this error
Well, this is embarrassing, we cannot connect to your document. Please try again.
so can i open a local file from physical file system for test purpose only.
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also after setting up ssl
facing issue that
coolwsd.service: Start request repeated too quickly.
coolwsd.service: Failed with result ‘core-dump’.
Failed to start Collabora Online WebSocket Daemon.
need urgent resolution to this problem atleast
Thanks for that info.
Here are the official Collabora instructions:
Mind following those steps instead?
I did a quick look comparing to the Linode article, and I see Linode had a few different commands. (Perhaps it was based on a slightly older version of COOL?)
Hmmmm… last year, there was someone who had the same exact error message as you.
In March, @switit gave an answer:
That might solve your issue.
Thanks for the info.I have one more huddle.
In Collabora community edition how to increase no of parallel documents to open.
Can you expand on your use-case?
to test the performance of collabora community edition.
i have done the following.
created a html where 50 iframes with different documents are there and each iframe has collabora viewer wopi client web address. out of 50 iframes only 30 iframes are showing viewer and other iframes are showing can not connect error. machine size is 2 core 8 GB. is there a way to change teh watermark orientation, color in collabora? Please help