NPE in ResourceHandler when resource-ref type is not specified

Please see the referenced forum thread for complete details. An NPE is thrown in ResourceHandler:

at java.lang.Thread.run(Thread.java:636)
Caused by: java.lang.NullPointerException
at org.jboss.injection.ResourceHandler.loadXmlResourceRefs(ResourceHandler.java:185)
at org.jboss.injection.ResourceHandler.loadXml(ResourceHandler.java:335)
at org.jboss.ejb3.EJBContainer.processMetadata(EJBContainer.java:588)
at org.jboss.ejb3.Ejb3Deployment.processEJBContainerMetadata(Ejb3Deployment.java:418)
at org.jboss.ejb3.Ejb3Deployment.start(Ejb3Deployment.java:526)
at org.jboss.ejb3.deployers.Ejb3Deployer.deploy(Ejb3Deployer.java:189)
... 34 more