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nexon's avatar
nexon
Explorer | Level 3
12 months ago

PDF not displayed in Dropbox Paper if the preview is compressed

Hi Team,

 

I'm using Dropbox Paper.

I have a few PDF's in paper.

The preview of the PDF's work but if it is compressed and you want to click on it to view it, this error occurs:
"www.dropbox.com refused to connect."

 

On the console there is also an error:
"Refused to frame 'https://www.dropbox.com/' because an ancestor violates the following Content Security Policy directive: "frame-ancestors 'self'"."

 

As I understood, this issue existed on Dropbox (regular web app; not paper) as well. But this has been fixed according to this entry:
https://www.dropboxforum.com/t5/Discuss-Dropbox-Developer-API/dropbox-embedder-getting-quot-ancestor-violates-the-following/td-p/693267

 

I hereby ask the developers to fix this issue on paper as well in order to be able to view PDF's in paper again.

And before you ask, yes, I have deleted cache, used another browser, disabled extensions, tried on a different computer (Windows / Mac) and also on another network + on incognito windows.

Tested with:

  • MacBook Pro (2019 - Sonoma): Safari (latest) / Chrome (latest)
  • Windows 11: Chrome (Version 119.0.6045.160 Official Build 64-bit) / Firefox (120.0 64-bit)

 

Many thanks in advance for your reply!

  • nexon's avatar
    nexon
    Explorer | Level 3

    Hi Team,

     

    I'm using Dropbox Paper.

    I have a few PDF's in paper.

    The preview of the PDF's work but if it is compressed and you want to click on it to view it, this error occurs:
    "www.dropbox.com refused to connect."

     

    On the console there is also an error:
    "Refused to frame 'https://www.dropbox.com/' because an ancestor violates the following Content Security Policy directive: "frame-ancestors 'self'"."

     

    As I understood, this issue existed on Dropbox (regular web app; not paper) as well. But this has been fixed according to this entry:
    https://www.dropboxforum.com/t5/Discuss-Dropbox-Developer-API/dropbox-embedder-getting-quot-ancestor-violates-the-following/td-p/693267

     

    I hereby ask the developers to fix this issue on paper as well in order to be able to view PDF's in paper again.

    And before you ask, yes, I have deleted cache, used another browser, disabled extensions, tried on a different computer (Windows / Mac) and also on another network + on incognito windows.

    Tested with:

    • MacBook Pro (2019 - Sonoma): Safari (latest) / Chrome (latest)
    • Windows 11: Chrome (Version 119.0.6045.160 Official Build 64-bit) / Firefox (120.0 64-bit)

     

    Many thanks in advance for your reply!

  • Walter's avatar
    Walter
    Icon for Dropbox Staff rankDropbox Staff

    Hey there nexon - thanks for bringing this to our attention and sharing the troubleshooting steps you've already attempted.

     

    Can you please clarify if you notice this behavior on a specific Paper doc or if it's affecting all of them? 

     

    Also, are you able to preview those PDFs  normally on our website?

     

    Let us know more and we'll take it from there. 

    • nexon's avatar
      nexon
      Explorer | Level 3

      Hi @Walter , thanks for your fast reply. It affects all PDF's in the paper. However, with this comment I've tested another paper and noticed that older papers are working. 

      Here is a paper I've just created for test purposes a few minutes ago, showing exactly the same behavior:

      [removed]

      • Hannah's avatar
        Hannah
        Icon for Dropbox Staff rankDropbox Staff

        Sorry to jump in here, nexon, but did you notice any significant change or update when this first started happening?

         

        Or was it always the case?

  • Walter's avatar
    Walter
    Icon for Dropbox Staff rankDropbox Staff

    Hey jparke - sorry to hear about this.

     

    Would it be OK if we sent you an email to have a further look internally? 

    • jparke's avatar
      jparke
      Explorer | Level 3

      Good morning @walter - yes we would appreciate your support on this. Please send me an email (I am admin on our account). Thank you

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