Problem

Confluence popular tab doesn't show anything and it's spinning even after rebuilding the search indexes from scratch.

Diagnosis

Environment

This issue happens in Confluence 5.6.x and higher.

Diagnostic Steps

• Please ensure that Confluence has full permissions against <confluence-home> directory.
• Please check if you have edge_index in <confluence-home>\journal folder.
• Please check if you can see a json by accessing http://<server-base-url>/rest/popular/1/stream/content?days=7&pageSize=20.

Cause

1. Unable to enable Confluence Edge Index plugin and/or Usage Stats plugins after an upgrade.
2. Confluence Edge Index (one of the modules of this plugin) is disabled.

Resolution

1. For first cause, please refer to the resolution of Unable to enable Confluence Edge Index plugin and/or Usage Stats plugins after an upgrade.
2. For second cause, please make sure that Confluence Edge Index plugin and all modules are enabled in your instance:
   1. Click on Manage Add-ons.
   2. Select All Add-ons from the drop down menu.
   3. Search for Confluence Edge Index.
      You need to  rebuild the content indexes from scratch and clear Confluence plugins cache.