[ https://issues.jboss.org/browse/WFLY-8428?page=com.atlassian.jira.plugin.... ] Harald Pehl commented on WFLY-8428: ----------------------------------- Yes, seems related to the capabilities: {code} 14:42:48,163 ERROR [org.jboss.as.controller.management-operation] (management-handler-thread - 2) WFLYCTL0013: Operation ("read-attribute") failed - address: ([ ("subsystem" => "undertow"), ("application-security-domain" => "foo") ]): java.lang.IllegalArgumentException: WFLYCTL0394: Capability 'org.wildfly.extension.undertow.application-security-domain.foo' does not provide services of type 'interface java.util.function.Function' at org.jboss.as.controller.capability.RuntimeCapability.getCapabilityServiceName(RuntimeCapability.java:183) at org.wildfly.extension.undertow.ApplicationSecurityDomainDefinition$ReferencingDeploymentsHandler.execute(ApplicationSecurityDomainDefinition.java:237) at org.jboss.as.controller.operations.global.ReadAttributeHandler.doExecuteInternal(ReadAttributeHandler.java:174) at org.jboss.as.controller.operations.global.ReadAttributeHandler.doExecute(ReadAttributeHandler.java:137) at org.jboss.as.controller.operations.global.GlobalOperationHandlers$AbstractMultiTargetHandler.execute(GlobalOperationHandlers.java:231) at org.jboss.as.controller.operations.global.GlobalOperationHandlers$AvailableResponseWrapper.execute(GlobalOperationHandlers.java:989) at org.jboss.as.controller.AbstractOperationContext.executeStep(AbstractOperationContext.java:979) at org.jboss.as.controller.AbstractOperationContext.processStages(AbstractOperationContext.java:722) at org.jboss.as.controller.AbstractOperationContext.executeOperation(AbstractOperationContext.java:441) at org.jboss.as.controller.OperationContextImpl.executeOperation(OperationContextImpl.java:1388) at org.jboss.as.controller.ModelControllerImpl.internalExecute(ModelControllerImpl.java:421) at org.jboss.as.controller.ModelControllerImpl.lambda$execute$1(ModelControllerImpl.java:243) at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:263) at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:229) at org.jboss.as.controller.ModelControllerImpl.execute(ModelControllerImpl.java:243) at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler.doExecute(ModelControllerClientOperationHandler.java:217) at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler.access$400(ModelControllerClientOperationHandler.java:137) at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler$1$1.run(ModelControllerClientOperationHandler.java:161) at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler$1$1.run(ModelControllerClientOperationHandler.java:157) at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:287) at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:244) at org.jboss.as.controller.AccessAuditContext.doAs(AccessAuditContext.java:254) at org.jboss.as.controller.AccessAuditContext.doAs(AccessAuditContext.java:225) at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler$1.execute(ModelControllerClientOperationHandler.java:157) at org.jboss.as.protocol.mgmt.ManagementRequestContextImpl$1.doExecute(ManagementRequestContextImpl.java:70) at org.jboss.as.protocol.mgmt.ManagementRequestContextImpl$AsyncTaskRunner.run(ManagementRequestContextImpl.java:160) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) at org.jboss.threads.JBossThread.run(JBossThread.java:320) {code} -- This message was sent by Atlassian JIRA (v7.2.3#72005)