Cargo cannot undeploy all types of deployables

mvn cargo:redeploy when asking to undeploy/deploy an XML file that is not a deployment plan simply fails.

{noformat} java.lang.RuntimeException: Archive 'DatasourceDeployableImpl[archive=/home/sauthieg/tmp/jonas-full-5.2.0/deploy/deployment-0.0.1-SNAPSHOT.xml]' is already deployed. at org.ow2.jonas.lib.jmbeans.J2EEServer.__deploy(J2EEServer.java:848) {noformat}