Automatic indexing not working

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Platform Notice: Server and Data Center Only. This article only applies to Atlassian products on the server and data center platforms.


  1. Automatic indexing is not working
  2. Recently added content will not appear in search results AND/OR activity stream
  3. Attachment indexing might fail as well

The following appears in the atlassian-confluence.log

2015-10-09 12:09:32,443 ERROR [Indexer: 1] [] indexCollection Exception indexing document with id: 7143782
 -- referer: | url: /admin/reindex.action | userName: XXX | action: reindex
java.lang.IllegalArgumentException: searchable: Attachment: test.xls v.1 (14419104) <user_name> is not supported: Attachments with minor edit set to true are not accounted for in the change index



  • Check if the allocated heap is around 1 GB i.e. Xmx is around 1GB size in the


This is caused because the allocated heap is not sufficient for the indexing scheduler and the scheduler does not index Confluence

Note: There won't be any out of memory errors.


Increase the heap memory as per the size of the instance.

Please refer the Server hardware requirements guide

Last modified on Nov 2, 2018

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