MySQL Collation Error When Starting-up Server

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

Symptoms

The following message is shown when starting up Fisheye/Crucible:

1 INFO \| jvm 1 \| 2010/10/19 09:41:25 \| 09:41:25 ERROR - MySQL DB is using collation 'utf8_general_ci'

Cause

Fisheye/Crucible needs to use rules for comparing string values which recognise the differences between upper and lower case letters. Hence, a database with "case sensitive collation" is required.

Resolution

The database collation needs to be changed. Please refer to the following page for instructions:

Updated on April 8, 2025

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