Deployment of multiple .rar's with ironjacamar.xml

11:17:24,899 ERROR [org.jboss.msc.service] (MSC service thread 1-14) MSC000002: Invocation of listener "org.jboss.as.connector.deployers.ra.processors.ParsedRaDeploymentProcessor$1@16c5f7e" failed: java.lang.IllegalArgumentException: JBAS014809: Ein Knoten ist bereits registriert unter '(deployment => *)(subdeployment => *)(subsystem => resource-adapters)(ironjacamar => ironjacamar)'
	at org.jboss.as.controller.registry.ConcreteResourceRegistration.registerSubModel(ConcreteResourceRegistration.java:108) [jboss-as-controller-7.1.2.Final-redhat-1.jar:7.1.2.Final-redhat-1]
	at org.jboss.as.controller.registry.AbstractResourceRegistration.registerSubModel(AbstractResourceRegistration.java:68) [jboss-as-controller-7.1.2.Final-redhat-1.jar:7.1.2.Final-redhat-1]
	at org.jboss.as.connector.subsystems.resourceadapters.IronJacamarRegistrator.invoke(IronJacamarRegistrator.java:33) [jboss-as-connector-7.1.2.Final-redhat-1.jar:7.1.2.Final-redhat-1]
	at org.jboss.as.connector.deployers.ra.processors.ParsedRaDeploymentProcessor$1.registerIronjacamar(ParsedRaDeploymentProcessor.java:158) [jboss-as-connector-7.1.2.Final-redhat-1.jar:7.1.2.Final-redhat-1]
	at org.jboss.as.connector.deployers.ra.processors.AbstractResourceAdapterDeploymentServiceListener.transition(AbstractResourceAdapterDeploymentServiceListener.java:131) [jboss-as-connector-7.1.2.Final-redhat-1.jar:7.1.2.Final-redhat-1]
	at org.jboss.msc.service.ServiceControllerImpl.invokeListener(ServiceControllerImpl.java:1416) [jboss-msc-1.0.2.GA-redhat-1.jar:1.0.2.GA-redhat-1]
	at org.jboss.msc.service.ServiceControllerImpl.access$2700(ServiceControllerImpl.java:49) [jboss-msc-1.0.2.GA-redhat-1.jar:1.0.2.GA-redhat-1]
	at org.jboss.msc.service.ServiceControllerImpl$ListenerTask.run(ServiceControllerImpl.java:1954) [jboss-msc-1.0.2.GA-redhat-1.jar:1.0.2.GA-redhat-1]
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [rt.jar:1.6.0_31]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [rt.jar:1.6.0_31]
	at java.lang.Thread.run(Thread.java:662) [rt.jar:1.6.0_31]