EjbJarDeploymentProcessor will throw a NullPointer if there are no modules defined in an application.xml

10:30:22,709 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-4) MSC00001: Failed to start service jboss.deployment.unit."test.ear".STRUCTURE: org.jboss.msc.service.StartException in service jboss.deployment.unit."test.ear".STRUCTURE: Failed to process phase STRUCTURE of deployment "test.ear"
at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:108)
at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1344)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [:1.6.0_24]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [:1.6.0_24]
at java.lang.Thread.run(Thread.java:680) [:1.6.0_24]
Caused by: java.lang.NullPointerException
at org.jboss.as.ee.structure.EjbJarDeploymentProcessor.deploy(EjbJarDeploymentProcessor.java:63)
at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:102)
... 4 more