Java JPA&；EJB

我是JPA和EJB的新手。分别尝试了JPA和EJB应用程序，结果很好。但在一起使用时出错

这是我在EclipseIDE中将JPA与EJB3（JBoss7作为服务器）一起使用时遇到的错误（日志）

谁能帮我修一下吗

 11:43:43,735 INFO  [org.jboss.as.jpa] (MSC service thread 1-14) JBAS011402: Starting Persistence Unit Service 'SampleEAR.ear#Student'
    11:43:43,781 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-7) MSC00001: Failed to start service jboss.deployment.subunit."SampleEAR.ear"."SampleEJB.jar".INSTALL: org.jboss.msc.service.StartException in service jboss.deployment.subunit."SampleEAR.ear"."SampleEJB.jar".INSTALL: Failed to process phase INSTALL of subdeployment "SampleEJB.jar" of deployment "SampleEAR.ear"
        at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:119) [jboss-as-server-7.1.1.Final.jar:7.1.1.Final]
        at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
        at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [rt.jar:1.7.0_09]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [rt.jar:1.7.0_09]
        at java.lang.Thread.run(Unknown Source) [rt.jar:1.7.0_09]
    Caused by: org.jboss.as.server.deployment.DeploymentUnitProcessingException: JBAS011047: Component class ejb.MyBean for component MyBean has errors: 
    JBAS011428: Cannot inject RESOURCE_LOCAL container managed EntityManagers using @PersistenceContext
        at org.jboss.as.ee.component.deployers.ModuleJndiBindingProcessor$1.handle(ModuleJndiBindingProcessor.java:169)
        at org.jboss.as.ee.component.ClassDescriptionTraversal.run(ClassDescriptionTraversal.java:54)
        at org.jboss.as.ee.component.deployers.ModuleJndiBindingProcessor.processClassConfigurations(ModuleJndiBindingProcessor.java:162)
        at org.jboss.as.ee.component.deployers.ModuleJndiBindingProcessor.deploy(ModuleJndiBindingProcessor.java:155)
        at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:113) [jboss-as-server-7.1.1.Final.jar:7.1.1.Final]
        ... 5 more

    11:43:43,816 INFO  [org.hibernate.annotations.common.Version] (MSC service thread 1-14) HCANN000001: Hibernate Commons Annotations {4.0.1.Final}
    11:43:43,820 INFO  [org.hibernate.Version] (MSC service thread 1-14) HHH000412: Hibernate Core {4.0.1.Final}
    11:43:43,821 INFO  [org.hibernate.cfg.Environment] (MSC service thread 1-14) HHH000206: hibernate.properties not found
    11:43:43,822 INFO  [org.hibernate.cfg.Environment] (MSC service thread 1-14) HHH000021: Bytecode provider name : javassist
    11:43:43,835 INFO  [org.hibernate.ejb.Ejb3Configuration] (MSC service thread 1-14) HHH000204: Processing PersistenceUnitInfo [
        name: Student
        ...]
    11:43:43,837 INFO  [org.jboss.web] (MSC service thread 1-13) JBAS018210: Registering web context: /SampleWAR
    11:43:43,924 INFO  [org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl] (MSC service thread 1-14) HHH000402: Using Hibernate built-in connection pool (not for production use!)
    11:43:43,925 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-14) MSC00001: Failed to start service jboss.persistenceunit."SampleEAR.ear#Student": org.jboss.msc.service.StartException in service jboss.persistenceunit."SampleEAR.ear#Student": Failed to start service
        at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1767) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [rt.jar:1.7.0_09]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [rt.jar:1.7.0_09]
        at java.lang.Thread.run(Unknown Source) [rt.jar:1.7.0_09]
    Caused by: javax.persistence.PersistenceException: [PersistenceUnit: Student] Unable to build EntityManagerFactory
        at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:914)
        at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:889)
        at org.hibernate.ejb.HibernatePersistence.createContainerEntityManagerFactory(HibernatePersistence.java:73)
        at org.jboss.as.jpa.service.PersistenceUnitServiceImpl.createContainerEntityManagerFactory(PersistenceUnitServiceImpl.java:162)
        at org.jboss.as.jpa.service.PersistenceUnitServiceImpl.start(PersistenceUnitServiceImpl.java:85)
        at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
        at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
        ... 3 more
    Caused by: org.hibernate.HibernateException: Specified JDBC Driver com.microsoft.sqlserver.jdbc.SQLServerDriver class not found
        at org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl.configure(DriverManagerConnectionProviderImpl.java:104)
        at org.hibernate.service.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:75)
        at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:159)
        at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:131)
        at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.buildJdbcConnectionAccess(JdbcServicesImpl.java:234)
        at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesImpl.java:91)
        at org.hibernate.service.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:75)
        at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:159)
        at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:131)
        at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:71)
        at org.hibernate.cfg.Configuration.buildSettingsInternal(Configuration.java:2270)
        at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2266)
        at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1735)
        at org.hibernate.ejb.EntityManagerFactoryImpl.<init>(EntityManagerFactoryImpl.java:84)
        at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:904)
        ... 9 more
    Caused by: java.lang.ClassNotFoundException: com.microsoft.sqlserver.jdbc.SQLServerDriver from [Module "org.hibernate:main" from local module loader @16e3ecd (roots: C:\jboss-as-7.1.1.Final\modules)]
        at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:190) [jboss-modules.jar:1.1.1.GA]
        at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:468) [jboss-modules.jar:1.1.1.GA]
        at org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:456) [jboss-modules.jar:1.1.1.GA]
        at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:398) [jboss-modules.jar:1.1.1.GA]
        at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:120) [jboss-modules.jar:1.1.1.GA]
        at java.lang.Class.forName0(Native Method) [rt.jar:1.7.0_09]
        at java.lang.Class.forName(Unknown Source) [rt.jar:1.7.0_09]
        at org.hibernate.internal.util.ReflectHelper.classForName(ReflectHelper.java:192)
        at org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl.configure(DriverManagerConnectionProviderImpl.java:101)
        ... 23 more

    11:43:44,141 INFO  [org.jboss.as.server] (DeploymentScanner-threads - 2) JBAS015870: Deploy of deployment "SampleEAR.ear" was rolled back with failure message {"JBAS014671: Failed services" => {"jboss.deployment.subunit.\"SampleEAR.ear\".\"SampleEJB.jar\".INSTALL" => "org.jboss.msc.service.StartException in service jboss.deployment.subunit.\"SampleEAR.ear\".\"SampleEJB.jar\".INSTALL: Failed to process phase INSTALL of subdeployment \"SampleEJB.jar\" of deployment \"SampleEAR.ear\"","jboss.persistenceunit.\"SampleEAR.ear#Student\"" => "org.jboss.msc.service.StartException in service jboss.persistenceunit.\"SampleEAR.ear#Student\": Failed to start service"},"JBAS014771: Services with missing/unavailable dependencies" => ["jboss.naming.context.java.comp.SampleEAR.SampleEJB.MyBean.ValidatorFactoryjboss.naming.context.java.comp.SampleEAR.SampleEJB.MyBeanMissing[jboss.naming.context.java.comp.SampleEAR.SampleEJB.MyBean.ValidatorFactoryjboss.naming.context.java.comp.SampleEAR.SampleEJB.MyBean]","jboss.naming.context.java.comp.SampleEAR.SampleEJB.MyBean.Validatorjboss.naming.context.java.comp.SampleEAR.SampleEJB.MyBeanMissing[jboss.naming.context.java.comp.SampleEAR.SampleEJB.MyBean.Validatorjboss.naming.context.java.comp.SampleEAR.SampleEJB.MyBean]"]}
    11:43:44,166 INFO  [org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl] (Finalizer) HHH000030: Cleaning up connection pool [null]
    11:43:44,168 INFO  [org.jboss.as.server.deployment] (MSC service thread 1-6) JBAS015877: Stopped deployment SampleEJB.jar in 27ms
    11:43:44,168 INFO  [org.jboss.as.server.deployment] (MSC service thread 1-3) JBAS015877: Stopped deployment SampleWAR.war in 27ms
    11:43:44,171 INFO  [org.jboss.as.server.deployment] (MSC service thread 1-3) JBAS015877: Stopped deployment SampleEAR.ear in 31ms
    11:43:44,172 INFO  [org.jboss.as.controller] (DeploymentScanner-threads - 2) JBAS014774: Service status report
    JBAS014775:    New missing/unsatisfied dependencies:
          service jboss.naming.context.java.comp.SampleEAR.SampleEJB.MyBean (missing) dependents: [service jboss.naming.context.java.comp.SampleEAR.SampleEJB.MyBean.ValidatorFactory, service jboss.naming.context.java.comp.SampleEAR.SampleEJB.MyBean.Validator] 
    JBAS014777:   Services which failed to start:      service jboss.deployment.subunit."SampleEAR.ear"."SampleEJB.jar".INSTALL: org.jboss.msc.service.StartException in service jboss.deployment.subunit."SampleEAR.ear"."SampleEJB.jar".INSTALL: Failed to process phase INSTALL of subdeployment "SampleEJB.jar" of deployment "SampleEAR.ear"
          service jboss.persistenceunit."SampleEAR.ear#Student": org.jboss.msc.service.StartException in service jboss.persistenceunit."SampleEAR.ear#Student": Failed to start service

    11:43:44,175 ERROR [org.jboss.as.server.deployment.scanner] (DeploymentScanner-threads - 1) {"JBAS014653: Composite operation failed and was rolled back. Steps that failed:" => {"Operation step-2" => {"JBAS014671: Failed services" => {"jboss.deployment.subunit.\"SampleEAR.ear\".\"SampleEJB.jar\".INSTALL" => "org.jboss.msc.service.StartException in service jboss.deployment.subunit.\"SampleEAR.ear\".\"SampleEJB.jar\".INSTALL: Failed to process phase INSTALL of subdeployment \"SampleEJB.jar\" of deployment \"SampleEAR.ear\"","jboss.persistenceunit.\"SampleEAR.ear#Student\"" => "org.jboss.msc.service.StartException in service jboss.persistenceunit.\"SampleEAR.ear#Student\": Failed to start service"},"JBAS014771: Services with missing/unavailable dependencies" => ["jboss.naming.context.java.comp.SampleEAR.SampleEJB.MyBean.ValidatorFactoryjboss.naming.context.java.comp.SampleEAR.SampleEJB.MyBeanMissing[jboss.naming.context.java.comp.SampleEAR.SampleEJB.MyBean.ValidatorFactoryjboss.naming.context.java.comp.SampleEAR.SampleEJB.MyBean]","jboss.naming.context.java.comp.SampleEAR.SampleEJB.MyBean.Validatorjboss.naming.context.java.comp.SampleEAR.SampleEJB.MyBeanMissing[jboss.naming.context.java.comp.SampleEAR.SampleEJB.MyBean.Validatorjboss.naming.context.java.comp.SampleEAR.SampleEJB.MyBean]"]}}}

11:43:43735信息[org.jboss.as.jpa]（MSC服务线程1-14）JBAS011402:启动持久化单元服务'SampleEAR.ear#Student'
11:43:43781错误[org.jboss.msc.service.fail]（msc服务线程1-7）MSC00001:无法启动服务jboss.deployment.subunit。“SampleEAR.ear”“SampleEJB.jar”。安装：无法处理子部署的阶段安装部署“SampleEAR.ear”的“SampleEJB.jar”
在org.jboss.as.server.deployment.DeploymentUnitPhaseService.start（DeploymentUnitPhaseService.java:119）[jboss-as-server-7.1.1.Final.jar:7.1.1.Final]
在org.jboss.msc.service.ServiceControllerImpl$StartTask.startService（ServiceControllerImpl.java:1811）[jboss-msc-1.0.2.GA.jar:1.0.2.GA]
在org.jboss.msc.service.ServiceControllerImpl$StartTask.run（ServiceControllerImpl.java:1746）[jboss-msc-1.0.2.GA.jar:1.0.2.GA]
位于java.util.concurrent.ThreadPoolExecutor.runWorker（未知源）[rt.jar:1.7.0_09]
位于java.util.concurrent.ThreadPoolExecutor$Worker.run（未知源）[rt.jar:1.7.0_09]
运行（未知源）[rt.jar:1.7.0\u 09]
原因：org.jboss.as.server.deployment.DeploymentUnitProcessingException:JBAS011047:组件MyBean的组件类ejb.MyBean有错误：
JBAS011428:无法使用@PersistenceContext注入资源\本地容器管理的EntityManager
位于org.jboss.as.ee.component.deployers.ModuleJndiBindingProcessor$1.handle（ModuleJndiBindingProcessor.java:169）
位于org.jboss.as.ee.component.ClassDescriptionOnTraversal.run（classDescriptionOnTraversal.java:54）
位于org.jboss.as.ee.component.deployers.ModuleJndibingProcessor.processClassConfigurations（ModuleJndibingProcessor.java:162）
位于org.jboss.as.ee.component.deployers.ModuleJndiBindingProcessor.deploy（ModuleJndiBindingProcessor.java:155）
在org.jboss.as.server.deployment.DeploymentUnitPhaseService.start（DeploymentUnitPhaseService.java:113）[jboss-as-server-7.1.1.Final.jar:7.1.1.Final]
…还有5个
11:43:43816信息[org.hibernate.annotations.common.Version]（MSC服务线程1-14）HCANN000001:hibernate Commons注释{4.0.1.Final}
11:43:43820信息[org.hibernate.Version]（MSC服务线程1-14）HH000412:hibernate核心{4.0.1.Final}
11:43:43821信息[org.hibernate.cfg.Environment]（MSC服务线程1-14）HH000206:hibernate.properties未找到
11:43:43822信息[org.hibernate.cfg.Environment]（MSC服务线程1-14）HH000021:字节码提供程序名称：javassist
11:43:43835信息[org.hibernate.ejb.ejb3配置]（MSC服务线程1-14）HH000204:正在处理PersistenceUnitInfo[
姓名：学生
...]
11:43:43837 INFO[org.jboss.web]（MSC服务线程1-13）JBAS018210:注册web上下文：/SampleWAR
11:43:43924信息[org.hibernate.service.jdbc.connections.internal.driverManager连接ProviderImpl]（MSC服务线程1-14）HH000402:使用hibernate内置连接池（不用于生产！）
11:43:43925错误[org.jboss.msc.service.fail]（msc服务线程1-14）MSC00001:启动服务jboss.persistenceunit失败。“SampleEAR.ear#Student”：服务jboss.persistenceunit中的org.jboss.msc.service.StartException。“SampleEAR#Student”：启动服务失败
在org.jboss.msc.service.ServiceControllerImpl$StartTask.run（ServiceControllerImpl.java:1767）[jboss-msc-1.0.2.GA.jar:1.0.2.GA]
位于java.util.concurrent.ThreadPoolExecutor.runWorker（未知源）[rt.jar:1.7.0_09]
位于java.util.concurrent.ThreadPoolExecutor$Worker.run（未知源）[rt.jar:1.7.0_09]
运行（未知源）[rt.jar:1.7.0\u 09]
原因：javax.persistence.PersistenceException:[PersistenceUnit:Student]无法生成EntityManagerFactory
位于org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory（Ejb3Configuration.java:914）
位于org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory（Ejb3Configuration.java:889）
位于org.hibernate.ejb.HibernatePersistence.createContainerEntityManager工厂（HibernatePersistence.java:73）
位于org.jboss.as.jpa.service.PersistenceUnitServiceImpl.CreateContainerEntityManager工厂（PersistenceUnitServiceImpl.java:162）
位于org.jboss.as.jpa.service.PersistenceUnitServiceImpl.start（PersistenceUnitServiceImpl.java:85）
在org.jboss.msc.service.ServiceControllerImpl$StartTask.startService（ServiceControllerImpl.java:1811）[jboss-msc-1.0.2.GA.jar:1.0.2.GA]
在org.jboss.msc.service.ServiceControllerImpl$StartTask.run（ServiceControllerImpl.java:1746）[jboss-msc-1.0.2.GA.jar:1.0.2.GA]
…还有3个
原因：org.hibernate.hibernate异常：未找到指定的JDBC驱动程序com.microsoft.sqlserver.JDBC.SQLServerDriver类
位于org.hibernate.service.jdbc.connections.internal.DriverManager连接ProviderImpl.configure（DriverManager连接ProviderImpl.java:104）
位于org.hibernate.service.internal.StandardServiceRegistryImpl.configureService（StandardServiceRegistryImpl.java:75）
位于org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService（AbstractServiceRegistryImpl.java:159）
位于org.hibernate.service.internal.AbstractServiceRegistryImpl.getService（AbstractServiceRegistryImpl.java:131）
位于org.hibernate.engine.jdbc.internal.jdbcservicesiml.buildJdbcConnectionAccess（jdbcservicesiml.java:234）
位于org.hibernate.engine.jdbc.internal.jdbcservicesiml.configure（jdbcservicesiml.java:91）
位于org.hibernate.service.internal.StandardServiceR