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Dark features are beta features which are not officially supported. 

What are dark features?

No support

Dark features are not part of our official support and represent beta features without any guarantee to work properly on all systems.

To enable a dark feature simply call '<BASE-URL>/rest/extranet/latest/darkfeature/enable/<FEATURE-KEY>' in a browser.

To disable it, call '<BASE-URL>/rest/extranet/latest/darkfeature/disable/<FEATURE-KEY>'.

Max Result Filter

Feature key: MaxResultFilter

As Confluence does not provide functions to restrict users, the mentions autocomplete is not filtered in any way and limits the search results to 10 by default.

With Space Privacy, it may happen that the first 10 search results are hidden users and the result is therefore empty.

By enabling this feature, the search results are extended to 50. We faced some problems on some instances, which lead to problems with mentions and user assignment. For more details, see the User and Group autocomplete returns "404 - Not found" section.

Skip Postgres Workaround

Feature key: SkipPostgresWorkaround

Should an upgrade of the plugin fail and produce a log like this...

Caused by: org.postgresql.util.PSQLException: ERROR: cached plan must not change result type might be using a PSQL database with a certain bug which can be circumvented with a workaround of enabling or disabling this dark feature.

After executing the request you can try to install or upgrade the plugin again and administration screens should be accessible.


User and Group autocomplete returns "404 - Not found"

If you notice that user and group autocomplete (for example @-mentions, adding restrictions, sharing pages) does not work, this might be your problem.

This problem may occur in

  • @-mentions;
  • page shares;
  • adding page restrictions;
  • assigning new users / groups to an extranet.

To troubleshoot, please check the steps listed below.

1. Check the HTTP state

  1. Open the developer console in your browser.
  2. Switch to the "network" tab (page reload needed).
  3. Open the user or group picker.
  4. Check for a call which returns a 404 (should be a url like this: /rest/prototype/1/search.json?...).

2. Disable the max filter module

  1. Open the Plugin Manager (/plugins/servlet/upm), find the Space Privacy plugin in the list and unfold it.
  2. Open modules.
  3. Disable the following modules:
    1. Max Results Servlet Filter (max-results-filter);
    2. Max Results Servlet Filter (max-results-filter-general).
  4. Check the page from 1.1 again and see if the autocomplete works.

3. Server problem - quick test

If these tests solved your issue, then theres a problem with your server settings.

Your Confluence instance is not allowed to send HTTP requests to itself. This can have many reasons - please contact your server administrator for a solution.

You may also check this by using curl from the server your instance is running.

curl -u <username>:<password> "<baseurl>/rest/prototype/1/search/user.json?query=<existinguser>&max-results=10"

Replace <username>, <password>, <baseurl> and <existinguser> with real values.

This request should return a valid answer (a json object).

This content was last updated on 07/21/2020.

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