/subsystem=undertow/server=default-server/http-listener=default:read-resource-description

           "enabled" => {
                "type" => BOOLEAN,
                "description" => "If the listener is enabled",
                "expressions-allowed" => true,
                "required" => false,
                "nillable" => true,
                "default" => true,
                "deprecated" => {
                    "since" => "3.2.0",
                    "reason" => "Enabled attributes are being deprecated, as they cause problems in enforcement o
f configuration consistency."
                },
                "access-type" => "read-write",
                "storage" => "configuration",
                "restart-required" => "all-services"
            },

/subsystem=undertow/server=default-server/http-listener=default:write-attribute(name=enabled, value=${env.val:false})

13:26:49,289 ERROR [org.jboss.as.controller.management-operation] (management-handler-thread - 1) WFLYCTL0013: Operation ("write-attribute") failed - address: ([
    ("subsystem" => "undertow"),
    ("server" => "default-server"),
    ("http-listener" => "default")
]): java.lang.IllegalArgumentException
	at org.jboss.dmr.StringModelValue.asBoolean(StringModelValue.java:157)
	at org.jboss.dmr.ModelNode.asBoolean(ModelNode.java:324)
	at org.wildfly.extension.undertow.ListenerResourceDefinition$EnabledAttributeHandler.applyUpdateToRuntime(ListenerResourceDefinition.java:344)
	at org.jboss.as.controller.AbstractWriteAttributeHandler$1.execute(AbstractWriteAttributeHandler.java:110)
	at org.jboss.as.controller.AbstractOperationContext.executeStep(AbstractOperationContext.java:1045)
	at org.jboss.as.controller.AbstractOperationContext.processStages(AbstractOperationContext.java:779)
	at org.jboss.as.controller.AbstractOperationContext.executeOperation(AbstractOperationContext.java:468)
	at org.jboss.as.controller.OperationContextImpl.executeOperation(OperationContextImpl.java:1415)
	at org.jboss.as.controller.ModelControllerImpl.internalExecute(ModelControllerImpl.java:431)
	at org.jboss.as.controller.ModelControllerImpl.lambda$execute$1(ModelControllerImpl.java:248)
	at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:304)
	at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:270)
	at org.jboss.as.controller.ModelControllerImpl.execute(ModelControllerImpl.java:248)
	at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler.doExecute(ModelControllerClientOperationHandler.java:240)
	at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler.access$400(ModelControllerClientOperationHandler.java:138)
	at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler$1$1.run(ModelControllerClientOperationHandler.java:162)
	at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler$1$1.run(ModelControllerClientOperationHandler.java:158)
	at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:328)
	at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:285)
	at org.jboss.as.controller.AccessAuditContext.doAs(AccessAuditContext.java:254)
	at org.jboss.as.controller.AccessAuditContext.doAs(AccessAuditContext.java:225)
	at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler$1.execute(ModelControllerClientOperationHandler.java:158)
	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 org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
	at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1990)
	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377)
	at java.lang.Thread.run(Thread.java:748)
	at org.jboss.threads.JBossThread.run(JBossThread.java:513)