Full Image does not Open After Clicking on Thumbnail

Full Image does not Open After Clicking on Thumbnail if the server base URL is not configure correctly. After clicking on the thumbnail, Confluence only shows a continuously spinning loading icon as shown below:

Steps to replicate

1. Set the server base URL via Administration Console >> Administration Console >> Site Configuration >> Server Base Url to incorrect URL. (eg: http://localhost:8080)
2. Now on the same machine upload a new image and use the following example macro shown below:

   !<image file>|thumbnail!
   

   NOTE: Please change the <image file> according to the image file name you have uploaded.

3. Now grab another machine try to click on the thumbnail.