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Do not deploy multiple Atlassian applications in a single Tomcat container.

Deploying multiple Atlassian applications in a single Tomcat container is not supported. We don't test this configuration and upgrading any of the applications (even for point releases) is likely to break it. There are also a number of known issues with this configuration. See this FAQ for more information.

The practical reasons why we don't support deploying multiple Atlassian applications in a single Tomcat container are:

  • You must shut down Tomcat to upgrade any application  
  • If one application crashes, the other applications running in that Tomcat container will be inaccessible

Finally, we recommend not deploying any other applications to the same Tomcat container that runs Crowd, especially if these other applications require large memory or additional libraries in Tomcat lib subdirectory.
Last modified on Aug 8, 2025

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