A webapp that uses the standard <data-source/> element to define a datasource within web.xml fails during the post-deploy step with the following backtrace:

14:38:18,717 INFO [org.jboss.as.server.deployment] (MSC service thread 1-6) Starting deployment of "dsmap2.war"
14:38:18,741 INFO [org.jboss.jpa] (MSC service thread 1-6) read persistence.xml for org.example_dsmap2_war_1.0-SNAPSHOTPU
14:38:18,751 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-6) MSC00001: Failed to start service jboss.deployment.unit."dsmap2.war".POST_MODULE: org.jboss.msc.service.StartException in service jboss.deployment.unit."dsmap2.war".POST_MODULE: Failed to process phase POST_MODULE of deployment "dsmap2.war"
at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:121)
at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1765)
at org.jboss.msc.service.ServiceControllerImpl$ClearTCCLTask.run(ServiceControllerImpl.java:2291)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [:1.6.0_26]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [:1.6.0_26]
at java.lang.Thread.run(Thread.java:662) [:1.6.0_26]
Caused by: java.lang.NullPointerException
at org.jboss.as.ee.datasource.DataSourceDefinitionDeploymentDescriptorParser.getBindingConfiguration(DataSourceDefinitionDeploymentDescriptorParser.java:101)
at org.jboss.as.ee.datasource.DataSourceDefinitionDeploymentDescriptorParser.processDescriptorEntries(DataSourceDefinitionDeploymentDescriptorParser.java:58)
at org.jboss.as.ee.component.AbstractDeploymentDescriptorBindingsProcessor.deploy(AbstractDeploymentDescriptorBindingsProcessor.java:60)
at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:115)
... 5 more

A test case that uses a simple JavaDB database definition is attached. The test case deploys fine on Glassfish 3.1.1.