Java EE 7 REST Service not called --------------------------------- Key: WFLY-10156 URL: https://issues.jboss.org/browse/WFLY-10156 Project: WildFly Issue Type: Bug Components: REST Affects Versions: 12.0.0.Final Reporter: Viggo Navarsete Assignee: Alessio Soldano Priority: Major Current setup that works: Wildfly 10.0.0.Final Keycloak 3.4.3.Final - Deployed a REST endpoint (/zupplyio-orderservice/orders) to Wildfly 10.0.0.Final - Access the endpoint through a React app with a token received from Keycloak. - Returns a 200 http response with payload - undertow server.log: 19:35:33,356 INFO [io.undertow.accesslog] (default task-1) 127.0.0.1 [30/Mar/2018:19:35:33 +0200] "OPTIONS /zupplyio-orderservice/orders HTTP/1.1" 200 "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.75 Mobile Safari/537.36" 19:35:33,994 INFO [stdout] (default task-2) *** Calling getOrders *** 19:35:34,121 INFO [io.undertow.accesslog] (default task-2) 127.0.0.1 [30/Mar/2018:19:35:34 +0200] "GET /zupplyio-orderservice/orders HTTP/1.1" 200 "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.75 Mobile Safari/537.36" Setup that doesn't work: Wildfly 12.0.0.Final Keycloak 3.4.3.Final - Deployed a REST endpoint (/zupplyio-orderservice/orders) to Wildfly 10.0.0.Final - Access the endpoint through a React app with a token received from Keycloak. - Returns a 200 http response with NO payload - undertow server.log: 19:25:22,707 INFO [io.undertow.accesslog] (default task-1) 127.0.0.1 [30/Mar/2018:19:25:22 +0200] "OPTIONS /zupplyio-orderservice/orders HTTP/1.1" 200 "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.75 Mobile Safari/537.36" 19:25:23,491 INFO [io.undertow.accesslog] (default task-1) 127.0.0.1 [30/Mar/2018:19:25:23 +0200] "GET /zupplyio-orderservice/orders HTTP/1.1" 200 "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.75 Mobile Safari/537.36" As you can see from the server.log, my endpoint is probably not called in Wildfly 12.0.0.Final since the log output isn't written to server.log