DuplicateServiceException when artifact name equals to alias ------------------------------------------------------------ Key: WFCORE-3429 URL: https://issues.jboss.org/browse/WFCORE-3429 Project: WildFly Core Issue Type: Task Components: Server Affects Versions: 2.2.0.Final Reporter: Сергей Машкевич Assignee: Jason Greene Priority: Minor Labels: support Suppose that there is an artifact «moduleA.ear» with the following deployment descriptor: {code:java} <?xml version="1.0" encoding="UTF-8"?> <jboss-deployment-structure> <deployment> <module-alias name="deployment.moduleA.ear"/> </deployment> </jboss-deployment-structure> {code} When I try to deploy this module on *WildFly 10.1.0*, I get the DuplicateServiceException: {code:java} jboss.deployment.unit."moduleA.ear".CONFIGURE_MODULE: org.jboss.msc.service.StartException in service jboss.deployment.unit."moduleA.ear".CONFIGURE_MODULE: WFLYSRV0153: Failed to process phase CONFIGURE_MODULE of deployment "moduleA.ear" at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:154) at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1948) at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1881) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: org.jboss.msc.service.DuplicateServiceException: Service jboss.module.spec.service."deployment.moduleA.ear".main is already registered at org.jboss.msc.service.ServiceRegistrationImpl.setInstance(ServiceRegistrationImpl.java:158) at org.jboss.msc.service.ServiceControllerImpl.startInstallation(ServiceControllerImpl.java:235) at org.jboss.msc.service.ServiceContainerImpl.install(ServiceContainerImpl.java:768) at org.jboss.msc.service.ServiceTargetImpl.install(ServiceTargetImpl.java:223) at org.jboss.msc.service.ServiceControllerImpl$ChildServiceTarget.install(ServiceControllerImpl.java:2401) at org.jboss.msc.service.ServiceTargetImpl.install(ServiceTargetImpl.java:223) at org.jboss.msc.service.ServiceControllerImpl$ChildServiceTarget.install(ServiceControllerImpl.java:2401) at org.jboss.msc.service.ServiceBuilderImpl.install(ServiceBuilderImpl.java:317) at org.jboss.as.server.deployment.module.ModuleSpecProcessor.createModuleService(ModuleSpecProcessor.java:263) at org.jboss.as.server.deployment.module.ModuleSpecProcessor.deployModuleSpec(ModuleSpecProcessor.java:124) at org.jboss.as.server.deployment.module.ModuleSpecProcessor.deploy(ModuleSpecProcessor.java:87) at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:147) ... 5 more {code} I think this exception should not be thrown in this case. Could you fix it? Thanks, Sergey Mashkevich