Summary of The Bug

When page title have any character after a colon( : )

Office Connector:test

office connector can't find the office files attached to the page. If colon is the last character on the page title, attached office files searchable by view office macro

How to reproduce the bug

1. Create a page (example: 'Office connector:')
   
2. Attached office file into the page
   
3. Try to view it using view office plugin
   
4. Change the page title to contain any character after colon (example: 'Office connector:test')
   
5. Try to view it using view office plugin
   
6. Attached files can't be seen on "File Name" fields
   When viewed with Developer Tools, the attachmentsearch.action GET request returned HTTP 404 error code.

Workarounds

Option 1 - Rename the page to remove the ':'

Option 2 - Use the insert markup feature:

1. From the editor toolbar, expand the '+' menu.
2. Choose 'Markup'.
3. Insert the following markup (change accordingly):

   {view file:name_of_the_attachments.ext}
   

4. Save

Work performed

• Changes are backwards-compatible in the plugin, committed in https://bitbucket.org/atlassian/officeconnector issue/CONF-24540 . 2 backwards-compatibility issues were raised: CONFDEV-10156 and CONFDEV-10157.
• Changes in confluence-core are still on issue/CONF-24540, and awaiting implementation of a few review comments before being committed.