ERROR [org.jboss.msc.service.fail] (MSC service thread 1-3) MSC00001: Failed to start service jboss.deployment.unit."mdb.jar".PARSE: org.jboss.msc.service.StartException in service jboss.deployment.unit."mdb.jar".PARSE: Failed     to process phase PARSE of deployment "mdb.jar"
         at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:119) [jboss-as-server-7.1.0.Final-SNAPSHOT.jar:7.1.0.Final-SNAPSHOT]
         at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1824) [jboss-msc-1.0.1.GA.jar:1.0.1.GA]
         at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1759) [jboss-msc-1.0.1.GA.jar:1.0.1.GA]
         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: java.lang.ClassCastException: org.jboss.metadata.ejb.spec.MessageDrivenBean31MetaData cannot be cast to org.jboss.metadata.ejb.jboss.ejb3.JBossGenericBeanMetaData
         at org.jboss.metadata.ejb.spec.MessageDrivenBeanMetaData.merge(MessageDrivenBeanMetaData.java:353)
         at org.jboss.metadata.ejb.spec.MessageDrivenBeanMetaData.createMerged(MessageDrivenBeanMetaData.java:85)
         at org.jboss.metadata.ejb.spec.MessageDrivenBeanMetaData.createMerged(MessageDrivenBeanMetaData.java:36)
         at org.jboss.metadata.ejb.spec.EnterpriseBeansMetaData.merge(EnterpriseBeansMetaData.java:73)
         at org.jboss.metadata.ejb.spec.EnterpriseBeansMetaData.createMerged(EnterpriseBeansMetaData.java:52)
         at org.jboss.metadata.ejb.spec.EjbJarMetaData.merge(EjbJarMetaData.java:175)
         at org.jboss.metadata.ejb.spec.EjbJarMetaData.createMerged(EjbJarMetaData.java:668)
         at org.jboss.as.ejb3.deployment.processors.EjbJarParsingDeploymentUnitProcessor.deploy(EjbJarParsingDeploymentUnitProcessor.java:125)
         at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:113) [jboss-as-server-7.1.0.Final-SNAPSHOT.jar:7.1.0.Final-SNAPSHOT]
         ... 5 more