Symptoms

For themes other than the default theme:

1. Using the macro browser in any theme except the shipped default theme will result in a pop up box saying:

   
   There has been an error loading the macro browser.
   Please try again or see your system administrator.
   

2. Clicking on the preview tab causes the preview to spinning indefinitely.
3. The following warning may also appear when attempting to insert images through the Rich Text editor:

   
   Error retrieving attachments from Confluence. The server may be unavailable.
   

4. The tree view from Browse >> Pages hangs, spinning indefinitely.

The following appears in the atlassian-confluence.log:

2010-02-03 09:42:19,938 ERROR [http-8080-5] [atlassian.confluence.servlet.ConfluenceServletDispatcher] serviceAction There is no Action mapped for namespace /pages/undefined/plugins/macrobrowser and action name browse-macros
 -- url: /pages/undefined/plugins/macrobrowser/browse-macros.action | userName: admin | referer: http://localhost:8080/pages/editpage.action?pageId=753673

Cause

Themes that are not the "Default Theme" in Confluence 3.1.1 are broken due to the velocity changes.

Resolution

If you are using Left Nav or Clickr theme: