ManagedDeployment problem with deploy-hasingleton-jboss-beans.xml

Following is logged during start of the admin-console (i.e. after first request):

18:10:50,203 WARN [org.jboss.profileservice.management.ManagementViewImpl] Failed to create ManagedDeployment for: vfsfile:/home/bes/dev/jboss/trunk/build/target/jboss-6.0.0-SNAPSHOT/server/all/deploy/cluster/deploy-hasingleton-jboss-beans.xml: java.lang.IllegalArgumentException: Can only get ref from simple value: CompositeValueSupport: metaType=[MutableCompositeMetaType

{org.jboss.profileservice.spi.ProfileKey items=[name=defaultKey type=boolean], [name=domain type=java.lang.String], [name=name type=java.lang.String], [name=server type=java.lang.String]}

] items=[defaultKey=SimpleMetaType:boolean:false,domain=SimpleMetaType:java.lang.String:default,name=SimpleMetaType:java.lang.String:deploy-hasingleton,server=SimpleMetaType:java.lang.String:default]
at org.jboss.profileservice.management.ManagementViewImpl.getRefName(ManagementViewImpl.java:871)
at org.jboss.profileservice.management.ManagementViewImpl.processManagedObject(ManagementViewImpl.java:782)
at org.jboss.profileservice.management.ManagementViewImpl.processManagedDeployment(ManagementViewImpl.java:625)
at org.jboss.profileservice.management.ManagementViewImpl.processRootManagedDeployment(ManagementViewImpl.java:597)
at org.jboss.profileservice.management.ManagementViewImpl.loadProfiles(ManagementViewImpl.java:509)
at org.jboss.profileservice.management.ManagementViewImpl.load(ManagementViewImpl.java:258)
at org.rhq.plugins.jbossas5.connection.AbstractProfileServiceConnection.init(AbstractProfileServiceConnection.java:47)
at org.rhq.plugins.jbossas5.connection.AbstractProfileServiceConnectionProvider.connect(AbstractProfileServiceConnectionProvider.java:43)
at org.rhq.plugins.jbossas5.InProcessJBossASDiscovery.discoverInProcessJBossAS(InProcessJBossASDiscovery.java:71)
at org.rhq.plugins.jbossas5.ApplicationServerDiscoveryComponent.discoverInProcessJBossAS(ApplicationServerDiscoveryComponent.java:255)
at org.rhq.plugins.jbossas5.ApplicationServerDiscoveryComponent.discoverResources(ApplicationServerDiscoveryComponent.java:104)
at sun.reflect.GeneratedMethodAccessor410.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.rhq.core.pc.util.DiscoveryComponentProxyFactory$ComponentInvocationThread.call(DiscoveryComponentProxyFactory.java:266)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)