Creating cluster-connection in CLI must require discovery-group or static-connector

[standalone@localhost:9990 /] /subsystem=messaging-activemq/server=default/cluster-connection=my-cluster1:add(connector-name=connector, cluster-connection-address=jms)
{
    "outcome" => "success",
    "response-headers" => {
        "operation-requires-reload" => true,
        "process-state" => "reload-required"
    }
}
[standalone@localhost:9990 /] /subsystem=messaging-activemq/server=default/cluster-connection=my-cluster1:read-resource
{
    "outcome" => "success",
    "result" => {
        "allow-direct-connections-only" => false,
        "call-failover-timeout" => -1L,
        "call-timeout" => 30000L,
        "check-period" => 30000L,
        "cluster-connection-address" => "jms",
        "confirmation-window-size" => 1048576,
        "connection-ttl" => 60000L,
        "connector-name" => "connector",
        "discovery-group" => undefined,
        "initial-connect-attempts" => -1,
        "max-hops" => 1,
        "max-retry-interval" => 2000L,
        "message-load-balancing-type" => "ON_DEMAND",
        "min-large-message-size" => 102400,
        "notification-attempts" => 2,
        "notification-interval" => 1000L,
        "producer-window-size" => -1,
        "reconnect-attempts" => -1,
        "retry-interval" => 500L,
        "retry-interval-multiplier" => 1.0,
        "static-connectors" => undefined,
        "use-duplicate-detection" => true
    },
    "response-headers" => {"process-state" => "reload-required"}
}