Registered driver was not found warning when starting up Bitbucket 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

Problem

During the startup of Bitbucket Server, a warning messages is displayed in the log files.

However, Bitbucket Server successfully completes to start up procedures and the application is fully working.

The following appears in the atlassian-bitbucket.log:

1 WARN [spring-startup] c.z.hikari.util.DriverDataSource Registered driver with driverClassName=oracle.jdbc.driver.OracleDriver was not found, trying direct instantiation.

Cause

This message can be safely ignored, and it does not impact the Bitbucket Server functionalities.

Updated on April 8, 2025

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