"enable-cors" : true,

  "cors-allowed-methods" : "POST,PUT,DELETE,GET",

  "cors-allowed-headers" : "Accept,Content-Type,If-Match,If-None-Match,Origin",

  "cors-exposed-headers" : "ETag,Location",

...

}

But the adapter does not recognise this config and fails to start:

10:57:15,923 ERROR [org.apache.catalina.core] (ServerService Thread Pool -- 69) JBWEB001097: Error starting context /data: java.lang.RuntimeException: com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException: Unrecognized field "cors-exposed-headers" (class org.keycloak.representations.adapters.config.AdapterConfig), not marked as ignorable (32 known properties: "ssl-required", "cors-allowed-headers", "register-node-period", "turn-off-change-session-id-on-login", "truststore", "always-refresh-token", "client-key-password", "policy-enforcer", "token-store", "resource", "realm", "proxy-url", "disable-trust-manager", "bearer-only", "truststore-password", "use-resource-role-mappings", "connection-pool-size", "client-keystore", "register-node-at-startup", "client-keystore-password", "auth-server-url", "cors-allowed-methods", "public-client", "expose-token", "token-minimum-time-to-live", "enable-basic-auth", "cors-max-age", "enable-cors", "allow-any-hostname", "realm-public-key", "credentials", "principal-attribute"])

 at [Source: java.io.ByteArrayInputStream@67593e31; line: 14, column: 29] (through reference chain: org.keycloak.representations.adapters.config.AdapterConfig["cors-exposed-headers"])

at org.keycloak.adapters.KeycloakDeploymentBuilder.loadAdapterConfig(KeycloakDeploymentBuilder.java:137) [keycloak-adapter-core-2.0.0.Final.jar:2.0.0.Final]

at org.keycloak.adapters.KeycloakDeploymentBuilder.build(KeycloakDeploymentBuilder.java:126) [keycloak-adapter-core-2.0.0.Final.jar:2.0.0.Final]

at org.keycloak.adapters.tomcat.AbstractKeycloakAuthenticatorValve.keycloakInit(AbstractKeycloakAuthenticatorValve.java:133) [keycloak-tomcat-core-adapter-2.0.0.Final.jar:2.0.0.Final]

at org.keycloak.adapters.tomcat.AbstractKeycloakAuthenticatorValve.lifecycleEvent(AbstractKeycloakAuthenticatorValve.java:75) [keycloak-tomcat-core-adapter-2.0.0.Final.jar:2.0.0.Final]

at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:115) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]

at org.apache.catalina.core.StandardContext.start(StandardContext.java:3775) [jbossweb-7.5.7.Final-redhat-1.jar:7.5.7.Final-redhat-1]

at org.jboss.as.web.deployment.WebDeploymentService.doStart(WebDeploymentService.java:163) [jboss-as-web-7.5.0.Final-redhat-21.jar:7.5.0.Final-redhat-21]

at org.jboss.as.web.deployment.WebDeploymentService.access$000(WebDeploymentService.java:61) [jboss-as-web-7.5.0.Final-redhat-21.jar:7.5.0.Final-redhat-21]

at org.jboss.as.web.deployment.WebDeploymentService$1.run(WebDeploymentService.java:96) [jboss-as-web-7.5.0.Final-redhat-21.jar:7.5.0.Final-redhat-21]

at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [rt.jar:1.7.0_80]

at java.util.concurrent.FutureTask.run(FutureTask.java:262) [rt.jar:1.7.0_80]

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_80]

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_80]

at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_80]

at org.jboss.threads.JBossThread.run(JBossThread.java:122)

Caused by: com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException: Unrecognized field "cors-exposed-headers" (class org.keycloak.representations.adapters.config.AdapterConfig), not marked as ignorable (32 known properties: "ssl-required", "cors-allowed-headers", "register-node-period", "turn-off-change-session-id-on-login", "truststore", "always-refresh-token", "client-key-password", "policy-enforcer", "token-store", "resource", "realm", "proxy-url", "disable-trust-manager", "bearer-only", "truststore-password", "use-resource-role-mappings", "connection-pool-size", "client-keystore", "register-node-at-startup", "client-keystore-password", "auth-server-url", "cors-allowed-methods", "public-client", "expose-token", "token-minimum-time-to-live", "enable-basic-auth", "cors-max-age", "enable-cors", "allow-any-hostname", "realm-public-key", "credentials", "principal-attribute"])

 at [Source: java.io.ByteArrayInputStream@67593e31; line: 14, column: 29] (through reference chain: org.keycloak.representations.adapters.config.AdapterConfig["cors-exposed-headers"])

at com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException.from(UnrecognizedPropertyException.java:51)

at com.fasterxml.jackson.databind.DeserializationContext.reportUnknownProperty(DeserializationContext.java:817)

at com.fasterxml.jackson.databind.deser.std.StdDeserializer.handleUnknownProperty(StdDeserializer.java:958)

at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.handleUnknownProperty(BeanDeserializerBase.java:1324)

at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.handleUnknownVanilla(BeanDeserializerBase.java:1302)

at com.fasterxml.jackson.databind.deser.BeanDeserializer.vanillaDeserialize(BeanDeserializer.java:249)

at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:136)

at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:3564)

at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:2650)

at org.keycloak.adapters.KeycloakDeploymentBuilder.loadAdapterConfig(KeycloakDeploymentBuilder.java:135) [keycloak-adapter-core-2.0.0.Final.jar:2.0.0.Final]

... 14 more

10:57:15,973 ERROR [org.apache.catalina.core] (ServerService Thread Pool -- 69) JBWEB001103: Error detected during context /data start, will stop it

10:57:15,985 ERROR [org.jboss.msc.service.fail] (ServerService Thread Pool -- 69) MSC000001: Failed to start service jboss.web.deployment.default-host./data: org.jboss.msc.service.StartException in service jboss.web.deployment.default-host./data: org.jboss.msc.service.StartException in anonymous service: JBAS018040: Failed to start context

at org.jboss.as.web.deployment.WebDeploymentService$1.run(WebDeploymentService.java:99)

at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [rt.jar:1.7.0_80]

at java.util.concurrent.FutureTask.run(FutureTask.java:262) [rt.jar:1.7.0_80]

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_80]

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_80]

at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_80]

at org.jboss.threads.JBossThread.run(JBossThread.java:122)

Caused by: org.jboss.msc.service.StartException in anonymous service: JBAS018040: Failed to start context

at org.jboss.as.web.deployment.WebDeploymentService.doStart(WebDeploymentService.java:168)

at org.jboss.as.web.deployment.WebDeploymentService.access$000(WebDeploymentService.java:61)

at org.jboss.as.web.deployment.WebDeploymentService$1.run(WebDeploymentService.java:96)

... 6 more

10:57:16,019 ERROR [org.jboss.as.controller.management-operation] (Controller Boot Thread) JBAS014612: Operation ("deploy") failed - address: ([("deployment" => "webims-jcom-data-1.3.1-SNAPSHOT-secure-keycloak.war")]) - failure description: {"JBAS014671: Failed services" => {"jboss.web.deployment.default-host./data" => "org.jboss.msc.service.StartException in service jboss.web.deployment.default-host./data: org.jboss.msc.service.StartException in anonymous service: JBAS018040: Failed to start context

    Caused by: org.jboss.msc.service.StartException in anonymous service: JBAS018040: Failed to start context"}}