The config attributes are not exposed:

<subsystem xmlns="urn:jboss:domain:resource-adapters:1.0">
	[...]         
	
         <config-property name="host">talk.google.com</config-property>
         <config-property name="port">5222</config-property>
  
	[...]
   </resource-adapters>



[standalone@localhost:9999 /] /subsystem=resource-adapters/resource-adapter=xmpp-ra.rar:read-resource
{
    "outcome" => "success",
    "result" => {
        "archive" => "xmpp-ra.rar",
        "background-validation" => undefined,
        "background-validation-minutes" => undefined,
        "blocking-timeout-wait-millis" => undefined,
        "connection-definitions" => [{
            "class-name" => "com/ramphastos/xmpp/jca/XmppManagedConnectionFactory",
            "jndi-name" => "java:/eis/ra-xmpp",
            "pool-name" => "XmppFactoryPool",
            "enabled" => true,
            "use-java-context" => true,
            "use-ccm" => true,
            "max-pool-size" => 100,
            "min-pool-size" => 10,
            "pool-prefill" => false,
            "pool-use-strict-min" => false,
            "flush-strategy" => "FAILING_CONNECTION_ONLY",
            "security-application" => true
        }],
        "idle-timeout-minutes" => undefined,
        "max-pool-size" => undefined,
        "min-pool-size" => undefined,
        "pool-prefill" => undefined,
        "pool-use-strict-min" => undefined,
        "transaction-support" => "NoTransaction",
        "use-fast-fail" => undefined
    }
}