Insufficient file read permissions for /var/atlassian/application-data/confluence/attachments
Platform Notice: Cloud and Data Center - This article applies equally to both cloud and data center platforms.
Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Summary
Learn what to do when your space migration with Confluence Cloud Migration Assistant (CCMA) is failing due to insufficient file read permissions.
Overview
The migration of spaces is failing in the CCMA with the error "Insufficient file read permissions for /var/atlassian/application-data/confluence/attachments".
This can happen if the Confluence On-Premise instance is a clone of another environment, or if there are changes in the attachment folder structure.
Solution
List the permissions of the Confluence folder structure in the server where the product is hosted:
1$ ls -l /var/atlassian/application-data/confluenceEnsure the folder structure has sufficient read permissions (the default set of permissions for this folder is drwxr-x---).
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