Issue

• JPA conflict when deploying my GWT application in JBoss EAP 6 Alpha, but I'm not using GWT JPA.

  INFO  [org.jboss.as.jpa] (MSC service thread 1-7) added javax.persistence.api dependency to gwt-example.war
  ERROR [org.jboss.msc.service.fail] (MSC service thread 1-1) MSC00001: Failed to start service jboss.deployment.unit."gwt-example.war".INSTALL: org.jboss.msc.service.StartException in service jboss.deployment.unit."gwt-example.war".INSTALL: Failed to process phase INSTALL of deployment "gwt-example.war"
       at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:121)
       at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1765)
       at org.jboss.msc.service.ServiceControllerImpl$ClearTCCLTask.run(ServiceControllerImpl.java:2291)
       at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [:1.6.0_23]
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [:1.6.0_23]
       at java.lang.Thread.run(Thread.java:662) [:1.6.0_23]
  Caused by: org.jboss.as.server.deployment.DeploymentUnitProcessingException: only one persistence provider can be packaged with an application [org.datanucleus.jpa.PersistenceProviderImpl, org.datanucleus.store.appengine.jpa.DatastorePersistenceProvider]
       at org.jboss.as.jpa.processor.PersistenceProviderProcessor.deploy(PersistenceProviderProcessor.java:65)
       at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:115)
       ... 5 more