Failure on undeployment

14:06:48,017 ERROR [org.jboss.as.controller] (pool-2-thread-2) Operation ("undeploy") failed - address: ([("deployment" => "testinject.ear")]): java.lang.IllegalStateException: duplicate resourcemain.war
at org.jboss.as.controller.registry.BasicResource$DefaultResourceProvider.register(BasicResource.java:248)
at org.jboss.as.controller.registry.BasicResource.registerChild(BasicResource.java:157)
at org.jboss.as.controller.registry.BasicResource.clone(BasicResource.java:185)
at org.jboss.as.controller.registry.BasicResource$DelegateResource.clone(BasicResource.java:357)
at org.jboss.as.controller.registry.BasicResource.clone(BasicResource.java:185)
at org.jboss.as.controller.ModelControllerImpl$RootResource.clone(ModelControllerImpl.java:367)
at org.jboss.as.controller.OperationContextImpl.readModelForUpdate(OperationContextImpl.java:716)
at org.jboss.as.server.deployment.DeploymentUndeployHandler.execute(DeploymentUndeployHandler.java:57)
at org.jboss.as.controller.OperationContextImpl.executeStep(OperationContextImpl.java:352)
at org.jboss.as.controller.OperationContextImpl.doCompleteStep(OperationContextImpl.java:299)
at org.jboss.as.controller.OperationContextImpl.completeStep(OperationContextImpl.java:224)
at org.jboss.as.controller.CompositeOperationHandler.execute(CompositeOperationHandler.java:83)
at org.jboss.as.controller.OperationContextImpl.executeStep(OperationContextImpl.java:352)
at org.jboss.as.controller.OperationContextImpl.doCompleteStep(OperationContextImpl.java:299)
at org.jboss.as.controller.OperationContextImpl.completeStep(OperationContextImpl.java:224)
at org.jboss.as.controller.ModelControllerImpl$DefaultPrepareStepHandler.execute(ModelControllerImpl.java:350)
at org.jboss.as.controller.OperationContextImpl.executeStep(OperationContextImpl.java:352)
at org.jboss.as.controller.OperationContextImpl.doCompleteStep(OperationContextImpl.java:299)
at org.jboss.as.controller.OperationContextImpl.completeStep(OperationContextImpl.java:224)
at org.jboss.as.controller.ModelControllerImpl.execute(ModelControllerImpl.java:119)
at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler.writeResponse(ModelControllerClientOperationHandler.java:108)
at org.jboss.as.protocol.mgmt.ManagementChannel$RequestReceiver.handleRequest(ManagementChannel.java:135)
at org.jboss.as.protocol.mgmt.ManagementChannel$RequestReceiver.access$300(ManagementChannel.java:110)
at org.jboss.as.protocol.mgmt.ManagementChannel.doHandle(ManagementChannel.java:63)
at org.jboss.as.protocol.ProtocolChannel.handleMessage(ProtocolChannel.java:149)
at org.jboss.remoting3.remote.RemoteConnectionChannel$4.run(RemoteConnectionChannel.java:213)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [:1.6.0_22]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [:1.6.0_22]
at java.lang.Thread.run(Thread.java:680) [:1.6.0_22]