One of my team members is getting the following stacktrace. Any hint is highly appreciated!

10:14:18,089 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-4) MSC00001: Failed to start service jboss.deployment.unit."swe.ear".PARSE: org.jboss.msc.service.StartException in service jboss.deployment.unit."swe.ear".PARSE: Failed to process phase PARSE of deployment "swe.ear"

    at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:121)

    at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1824)

    at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1759)

    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) [:1.7.0]

    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) [:1.7.0]

    at java.lang.Thread.run(Thread.java:722) [:1.7.0]

Caused by: java.lang.IllegalArgumentException: EEModuleDescription cannot be null

    at org.jboss.as.ejb3.deployment.EjbJarDescription.<init>(EjbJarDescription.java:65)

    at org.jboss.as.ejb3.deployment.processors.EJBComponentDescriptionFactory.getEjbJarDescription(EJBComponentDescriptionFactory.java:96)

    at org.jboss.as.ejb3.deployment.processors.SessionBeanComponentDescriptionFactory.processSessionBeans(SessionBeanComponentDescriptionFactory.java:104)

    at org.jboss.as.ejb3.deployment.processors.SessionBeanComponentDescriptionFactory.processAnnotations(SessionBeanComponentDescriptionFactory.java:79)

    at org.jboss.as.ejb3.deployment.processors.EJBComponentDescriptionFactory.deploy(EJBComponentDescriptionFactory.java:69)

    at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:115)

    ... 5 more