Page Copy operation with 20+ attachment gets time out

Issue Summary

When trying to copy a page with 20+ attachments in the New Editor, it either gets timeout in Chrome or a copypage.action file is downloaded in Safari

Steps to Reproduce

• Navigate to a page with 20+ attachments
• Try to copy the page using the option from the drop-down list

Expected Results

• The page will be copied

Actual Results

In Chrome
The web page at https://oldeditorsite.atlassian.net/wiki/pages/copypage.action?idOfPageToCopy=1164247084&spaceKey=ASFDS might be temporarily down or it may have moved permanently to a new web address.
ERR_INVALID_RESPONSE

In Safari: copypage.action file is downloaded, instead of navigating to edit mode for the page copy.

Workaround

• Open the page
• Navigate to Page Operations (***)
• Select View Source
• Select and copy all
• Open a new page and paste the content there

OR

Delete the unwanted Attachments from the page.