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Problem Previewing Attachments in Google Chrome Edited

Hello - 

I am having a problem previewing attachments in Google Chrome. When an attachment gets added to a JIRA Issue I am able to preview some of them, however, others I am not able to preview. It seems that the bigger the attachment, the more likely it cannot be previewed. I am simply left with a loading wheel, in which the attachment is attempting to be previewed. 


I tested previewing these attachments in Firefox, and they all work fine. It seems just be a problem with Google Chrome. Chrome is my preferred browser, and I would like to stick with it through my JIRA processes. 


Does anyone have any suggestions of how I can make all attachments able to be previewed in Google Chrome? I am running JIRA Core version 7.5.0

1 answer

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Andrew Heinzer Atlassian Team Mar 30, 2018

I would be interested to see what the browser console shows in Chrome when trying to load this image/preview.   If you have never used this before there is a quick rundown of this feature in the Chrome browser here:

I'd just want to see what shows in the log here.  If there are HTTP errors like 404, 400, etc, that could be a sign of a problem in regards to way either the request is being made or the way the content is unable to be displayed in the browser.

The fact this works in Firefox is just more strange.  That tends to indicate to me that it's probably not Jira, but its hard to say with what we know now. Mar 30, 2018 • edited

Hi Andrew - 

Thanks for the response. I looked at the link you sent and took a screenshot of the Chrome Console when attempting the preview the image. I think this is what you were asking about. If not, please let me know.

I apologize for my lack of knowledge in this department.

[image removed by moderator]

Apologies for posting my response under a different account. Atlassian automatically logs me in via my old account. 


Any help/insight you may have for my problem would be much appreciated.

Andrew Heinzer Atlassian Team Mar 30, 2018


I removed that image because it appeared to contain personal information.  But from looking at those console logs, I can't see a clear problem here.

I did notice that this is a pdf file.  These are not exactly images in most cases, so I would be interested to see if this is only effecting PDF files in Jira or not.

It might also help to click the Network tab in that browser console to see if the request is still in progress, or if there was a timeout error of some kind. 


Additionally, it might help if you can generate a HAR file in the browser when this happens.

Thanks for getting rid of that image. I've clicked the Network tab in the Console, and it shows nothing. Simply reads "Recording network activity..."

I'll look into the link you provided to learn how to generate a HAR file. Until then, have a great weekend.

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