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Upgrade from Unified Manager 7.3 to 9.4 or newer fails as migration of continuous_event_participant and continuous_event_participant_stats tables are large

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Applies to

Unified Manager 7.3 upgrades to 9.4 or newer

Issue

When performing an upgrade from Unified Manager 7.3 to 9.4 or newer the upgrade fails to complete and the .war and .ear files in the deployment folder fail to start. This can result in receiving a 404 error when attempting to load the webpage.

See the following knowledge base article on how to check the status of the deployments.

The following error will be seen in the .failed files.

WFLYDS0022:Did not receive a response to the deployment operation within the allowed timeout period [3600 seconds]. Check the server configuration file and the server logs to find more about the ...

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