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Application Using Spring Boot 1.5.5 Fails To Activate With Exception: java.lang.ClassCastException: org.apache.tomcat.websocket.server.WsServerContainer cannot be cast to org.glassfish.tyrus.server.TyrusServerContainer (Doc ID 2457544.1)

Last updated on SEPTEMBER 27, 2023

Applies to:

Oracle WebLogic Server - Version and later
Information in this document applies to any platform.


After upgrading to Spring Boot 1.5.5, the following error is seen and the application cannot be activated in WebLogic Server:


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