Setup Fails Creating MySQL Schema Due to Tomcat Incompatibility

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 errors may occur:

1 2 3 4 5 6 7 # Configuring the database failed. Couldn't create the database schema. # Transaction rolled back because it has been marked as rollback-only # There were problems loading the module 'listener'. The module and its plugin have been disabled. # There was a problem loading the descriptor for module 'listener' in plugin 'Confluence Usage Stats'. Error retrieving dependency of class: com.atlassian.confluence.ext.usage.event.UsageEventListener. Missing class: EDU/oswego/cs/dl/util/concurrent/QueuedExecutor: Error retrieving dependency of class: com.atlassian.confluence.ext.usage.event.UsageEventListener. Missing class: EDU/oswego/cs/dl/util/concurrent/QueuedExecutor # There were errors loading the plugin 'Confluence Usage Stats'. The plugin has been disabled. # An exception was encountered while processing the event: com.atlassian.confluence.event.events.admin.ConfluenceReadyEvent[source=com.atlassian.confluence.setup.DefaultHibernateConfigurator@1d63c55\]: com.atlassian.plugin.impl.UnloadablePlugin cannot be cast to com.atlassian.plugin.impl.DynamicPlugin

Cause

Tomcat is an incompatible version.

Resolution

Upgrade Tomcat to use a version that is supported, especially a Tomcat version that is used in Confluence Standalone distribution.

Updated on April 8, 2025

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