[standalone@embedded /] /subsystem=jgroups/channel=ee/fork=foo/protocol=MPING:add(socket-binding=http)
14:46:40,228 ERROR [org.jboss.as.controller.management-operation] (pool-4-thread-1) WFLYCTL0013: Operation ("add") failed - address: ([
    ("subsystem" => "jgroups"),
    ("channel" => "ee"),
    ("fork" => "foo"),
    ("protocol" => "MPING")
]): java.lang.IllegalStateException: WFLYCTL0221: An override model registration is not allowed for non-wildcard model registrations. This registration is for the non-wildcard name 'MPING'.
	at org.jboss.as.controller.registry.AbstractResourceRegistration.registerOverrideModel(AbstractResourceRegistration.java:122)
	at org.jboss.as.clustering.jgroups.subsystem.ForkProtocolRuntimeResourceRegistration.register(ForkProtocolRuntimeResourceRegistration.java:127)
	at org.jboss.as.clustering.controller.AddStepHandler.lambda$null$2(AddStepHandler.java:117)
	at org.jboss.as.controller.AbstractOperationContext.executeStep(AbstractOperationContext.java:982)
	at org.jboss.as.controller.AbstractOperationContext.processStages(AbstractOperationContext.java:726)
	at org.jboss.as.controller.AbstractOperationContext.executeOperation(AbstractOperationContext.java:450)
	at org.jboss.as.controller.OperationContextImpl.executeOperation(OperationContextImpl.java:1402)
	at org.jboss.as.controller.ModelControllerImpl.internalExecute(ModelControllerImpl.java:418)
	at org.jboss.as.controller.ModelControllerImpl.lambda$execute$1(ModelControllerImpl.java:243)
	at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:263)
	at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:229)
	at org.jboss.as.controller.ModelControllerImpl.execute(ModelControllerImpl.java:243)
	at org.jboss.as.controller.ModelControllerClientFactoryImpl$LocalClient$1$1.lambda$run$0(ModelControllerClientFactoryImpl.java:170)
	at org.jboss.as.controller.access.InVmAccess.runInVm(InVmAccess.java:63)
	at org.jboss.as.controller.SecurityActions$InVmActions$1.runInVm(SecurityActions.java:149)
	at org.jboss.as.controller.SecurityActions.runInVm(SecurityActions.java:49)
	at org.jboss.as.controller.ModelControllerClientFactoryImpl$LocalClient$1$1.run(ModelControllerClientFactoryImpl.java:170)
	at org.jboss.as.controller.ModelControllerClientFactoryImpl$LocalClient$1$1.run(ModelControllerClientFactoryImpl.java:163)
	at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:263)
	at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:229)
	at org.jboss.as.controller.AccessAuditContext.doAs(AccessAuditContext.java:198)
	at org.jboss.as.controller.AccessAuditContext.doAs(AccessAuditContext.java:175)
	at org.jboss.as.controller.ModelControllerClientFactoryImpl$LocalClient$1.run(ModelControllerClientFactoryImpl.java:163)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)

{
    "outcome" => "failed",
    "failure-description" => "WFLYCTL0158: Operation handler failed: java.lang.IllegalStateException: WFLYCTL0221: An override model registration is not allowed for non-wildcard model registrations. This registration is for the non-wildcard name 'MPING'.",
    "rolled-back" => true
}