Confluence incremental synchronisation failed and falls back to a full sync when connecting to LDAP


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Incremental synchronisation with LDAP directory fails while full synchronisation works.

The following ERROR appears in atlassian-confluence.log during an incremental sync.

ERROR [scheduler_Worker-8] [] synchroniseCache Incremental synchronisation for directory [ 129400833 ] was unexpectedly interrupted, falling back to a full synchronisation Cache returned different number of guids and users (possible reason is overlapping guids in cache, most likely null/empty values).



  • A non-cluster AD with more than one domain controller
  • If the Confluence is connected to Oracle 12c Database, it might be affected by  CONFSERVER-55585 - Getting issue details... STATUS


  • No result returned from the following database query:

    SELECT id, user_name, directory_id, external_id FROM cwd_user
    WHERE (external_id IN (SELECT external_id FROM cwd_user GROUP BY external_id HAVING count(external_id) > 1) OR external_id IS NULL)
    AND directory_id = '<user_directory_id>'; 
  • The number of users in the cwd_user table is equal to the number of users returned by the user filter in the LDAP connector, however, Confluence is calling for less numbers of users in a full synchronization:

    2015-12-17 06:55:10,058 INFO [scheduler_Worker-5] [] getUsersToAddAndUpdate scanning [ xxxx ] users to add or update


Confluence is comparing the number of GUID which results in either a mismatch or un-readable GUID which causes the incremental sync to fail.


  1. Confluence を停止します。

  2. Add the following system property into Confluence:

    Please refer to the documentation on Configuring system properties for details on adding a system property. 

    tip/resting Created with Sketch.

    Always perform the necessary backup to your Confluence instance before performing any modification. If possible, try your modifications on a test server.

  3. Confluence を起動します。

最終更新日 2019 年 7 月 2 日


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