Issue

• If multiple modules in an EAR file contain a descriptor org.jboss.msc.service.ServiceActivator the deployment fail. If only one module contain it the application can be deployed
• An application with services will fail to deploy with the following Exception

ERROR [org.jboss.msc.service.fail] (MSC service thread 1-4) MSC000001: Failed to start service jboss.deployment.subunit."jboss-cluster-ha-singleton.ear"."ejb.jar".INSTALL: org.jboss.msc.service.StartException in service jboss.deployment.subunit."jboss-cluster-ha-singleton.ear"."ejb.jar".INSTALL: JBAS018733: Failed to process phase INSTALL of subdeployment "ejb.jar" of deployment "jboss-cluster-ha-singleton.ear"
    at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:166) [jboss-as-server-7.5.8.Final-redhat-2.jar:7.5.8.Final-redhat-2]
    ...
Caused by: org.jboss.msc.service.DuplicateServiceException: Service jboss.wfink.ha.singleton.serviceGroupGROUP_1.service is already registered
    at org.jboss.msc.service.ServiceRegistrationImpl.setInstance(ServiceRegistrationImpl.java:158) [jboss-msc-1.1.5.Final-redhat-1.jar:1.1.5.Final-redhat-1]
    ...

ERROR [org.jboss.msc.service.fail] (MSC service thread 1-3) MSC000001: Failed to start service jboss.deployment.subunit."jboss-cluster-ha-singleton.ear"."ejb3.jar".INSTALL: org.jboss.msc.service.StartException in service jboss.deployment.subunit."jboss-cluster-ha-singleton.ear"."ejb3.jar".INSTALL: JBAS018733: Failed to process phase INSTALL of subdeployment "ejb3.jar" of deployment "jboss-cluster-ha-singleton.ear"
    ...
Caused by: org.jboss.as.server.deployment.DeploymentUnitProcessingException: org.jboss.msc.service.DuplicateServiceException: Service jboss.quickstart.ha.singleton.timer.service is already registered
    at org.jboss.as.server.deployment.service.ServiceActivatorProcessor.deploy(ServiceActivatorProcessor.java:87) [jboss-as-server-7.5.8.Final-redhat-2.jar:7.5.8.Final-redhat-2]
    ... 5 more
Caused by: org.jboss.msc.service.DuplicateServiceException: Service jboss.quickstart.ha.singleton.timer.service is already registered
    ...