Corrupted Application Link WARN Message when upgrading Confluence via XML Backup

Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.

Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. 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

Problem

The site XML Import from older version of Confluence slows down and fails during Confluence installation wizard.

The following appears in the atlassian-confluence.log:

1 2 2014-06-12 14:05:30,338 WARN [Navlink Plugin Executor:thread-1] [atlassian.applinks.core.DefaultApplicationLinkService] retrieveApplicationLink Couldn't find type id for application link with id a28c96bd-eb13-3937-afd0-88ffd2a0669d. Link is corrupted -- referer: http://127.0.0.1:8091/setup/setupstandarddb-start.action?database=mysql | url: /setup/setupstandarddb.action | userName: anonymous | action: setupstandarddb

Cause

The XML Site Backup is corrupted specifically on the application link part.

Workaround

Perform upgrade via either of these supported upgrade methods:

Updated on April 8, 2025

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