WFLYUT0087: Duplicate default web module 'ROOT.war' configured on server 'default-server' ERROR [org.jboss.as.controller.management-operation] (ServerService Thread Pool -- 69) WFLYCTL0013: Operation ("add") failed - address: ([ ("subsystem" => "undertow"), ("server" => "default-server"), ("host" => "admin") ]): java.lang.IllegalArgumentException: WFLYUT0087: Duplicate default web module 'ROOT.w..

Caused by: java.lang.RuntimeException: java.lang.ClassCastException: org.apache.tomcat.websocket.server.WsServerContainer cannot be cast to io.undertow.websockets.jsr.ServerWebSocketContainer Spring boot 를 wildfly 에 배포(deploy) 시 아래와 같이 ServerWebSocketContainer, ClassCastExcepiton 오류로 인해 배포되지 않습니다. 17:31:53,205 ERROR [org.jboss.msc.service.fail] (ServerService Thread Pool -- 99) MSC000001: Failed..