Deployment Is Already Installed Error

Issue

• When attempting to use the farm directory to deploy the applications,The attempt fails with the following error:

2013-06-28 11:15:13,368 ERROR [org.jboss.management.j2ee.WebModule] (HDScanner) Could not create JSR-77 WebModule: my-app.war
javax.management.InstanceAlreadyExistsException: jboss.management.local:j2eeType=WebModule,J2EEServer=Local,J2EEApplication=null,name=my-app.war already registered.
    at org.jboss.mx.server.registry.BasicMBeanRegistry.add(BasicMBeanRegistry.java:756)
    at org.jboss.mx.server.registry.BasicMBeanRegistry.registerMBean(BasicMBeanRegistry.java:233)
...
2013-06-28 11:15:14,249 ERROR [org.jboss.kernel.plugins.dependency.AbstractKernelController] (HDScanner) Error installing to Real: name=vfszip:/usr/local/jboss/jboss-as/server/production/farm/my-app.war/ state=PreReal mode=Manual requiredState=Real
org.jboss.deployers.spi.DeploymentException: Error deploying: jboss.web.deployment:war=/flexadmin
    at org.jboss.deployers.spi.DeploymentException.rethrowAsDeploymentException(DeploymentException.java:49)
    at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:118)
    at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:46)
...
Caused by: java.lang.IllegalStateException: jboss.web.deployment:war=/my-app is already installed.
    at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:719)
    at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:543)
    at org.jboss.system.ServiceController.doInstall(ServiceController.java:670)
    at org.jboss.system.ServiceController.install(ServiceController.java:273)

• We are attempting to deploy a JBoss application and are receiving the following error:

2013-09-06 09:46:23,023 ERROR [org.jboss.kernel.plugins.dependency.AbstractKernelController] (main) Error installing to Real: name=vfszip:/some/random/path/to/deploy/MyApp.ear/ state=PreReal mode=Manual requiredState=Real
org.jboss.deployers.spi.DeploymentException: Error deploying: MyService:service=ETA
    at org.jboss.deployers.spi.DeploymentException.rethrowAsDeploymentException(DeploymentException.java:49)
    at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:118)
    at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:46)
    at org.jboss.deployers.spi.deployer.helpers.AbstractSimpleRealDeployer.internalDeploy(AbstractSimpleRealDeployer.java:62)
    at org.jboss.deployers.spi.deployer.helpers.AbstractRealDeployer.deploy(AbstractRealDeployer.java:55)
...
Caused by: java.lang.IllegalStateException: MyService:service=ETA is already installed.
    at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:719)
    at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:543)
    at org.jboss.system.ServiceController.doInstall(ServiceController.java:670)
    at org.jboss.system.ServiceController.install(ServiceController.java:273)
    at org.jboss.system.deployers.ServiceDeployer.deploy(ServiceDeployer.java:90)
    ... 38 more