我是 EJB 的新手。我的经理告诉我在我们的测试服务器中部署一个 ejb 应用程序进行一些修改。该应用程序已经在我们的生产服务器中运行。但是当我部署应用程序时，我遇到了一个异常。
我们正在使用 Glassfish 应用服务器
异常堆栈跟踪：
java.lang.NoClassDefFoundError: Could not initialize class org.hibernate.ejb.Ejb3Configuration
at org.hibernate.ejb.HibernatePersistence.createContainerEntityManagerFactory(HibernatePersistence.java:130)
at com.sun.enterprise.server.PersistenceUnitLoaderImpl.load(PersistenceUnitLoaderImpl.java:149)
at com.sun.enterprise.server.PersistenceUnitLoaderImpl.load(PersistenceUnitLoaderImpl.java:84)
at com.sun.enterprise.server.AbstractLoader.loadPersistenceUnits(AbstractLoader.java:915)
at com.sun.enterprise.server.ApplicationLoader.doLoad(ApplicationLoader.java:184)
at com.sun.enterprise.server.TomcatApplicationLoader.doLoad(TomcatApplicationLoader.java:126)
at com.sun.enterprise.server.ExtendedApplicationLoader.doLoad(ExtendedApplicationLoader.java:134)
at com.sun.enterprise.server.AbstractLoader.load(AbstractLoader.java:240)
at com.sun.enterprise.server.ApplicationManager.applicationDeployed(ApplicationManager.java:336)
at com.sun.enterprise.server.ApplicationManager.applicationDeployed(ApplicationManager.java:210)
at com.sun.enterprise.server.ApplicationManager.applicationDeployed(ApplicationManager.java:645)
at com.sun.enterprise.admin.event.AdminEventMulticaster.invokeApplicationDeployEventListener(AdminEventMulticaster.java:959)
at com.sun.enterprise.admin.event.AdminEventMulticaster.handleApplicationDeployEvent(AdminEventMulticaster.java:943)
at com.sun.enterprise.admin.event.AdminEventMulticaster.processEvent(AdminEventMulticaster.java:467)
at com.sun.enterprise.admin.event.AdminEventMulticaster.multicastEvent(AdminEventMulticaster.java:182)
at com.sun.enterprise.admin.server.core.DeploymentNotificationHelper.multicastEvent(DeploymentNotificationHelper.java:308)
at com.sun.enterprise.deployment.phasing.DeploymentServiceUtils.multicastEvent(DeploymentServiceUtils.java:231)
at com.sun.enterprise.deployment.phasing.ServerDeploymentTarget.sendStartEvent(ServerDeploymentTarget.java:298)
at com.sun.enterprise.deployment.phasing.ApplicationStartPhase.runPhase(ApplicationStartPhase.java:132)
at com.sun.enterprise.deployment.phasing.DeploymentPhase.executePhase(DeploymentPhase.java:108)
at com.sun.enterprise.deployment.phasing.PEDeploymentService.executePhases(PEDeploymentService.java:966)
at com.sun.enterprise.deployment.phasing.PEDeploymentService.start(PEDeploymentService.java:609)
at com.sun.enterprise.deployment.phasing.PEDeploymentService.start(PEDeploymentService.java:653)
at com.sun.enterprise.admin.mbeans.ApplicationsConfigMBean.start(ApplicationsConfigMBean.java:773)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at com.sun.enterprise.admin.MBeanHelper.invokeOperationInBean(MBeanHelper.java:390)
at com.sun.enterprise.admin.MBeanHelper.invokeOperationInBean(MBeanHelper.java:373)
at com.sun.enterprise.admin.config.BaseConfigMBean.invoke(BaseConfigMBean.java:477)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:857)
at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:795)
at sun.reflect.GeneratedMethodAccessor18.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at com.sun.enterprise.admin.util.proxy.ProxyClass.invoke(ProxyClass.java:90)
at $Proxy1.invoke(Unknown Source)
at com.sun.enterprise.admin.server.core.jmx.SunoneInterceptor.invoke(SunoneInterceptor.java:304)
at com.sun.enterprise.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:170)
at com.sun.enterprise.deployment.client.DeploymentClientUtils.startApplication(DeploymentClientUtils.java:159)
at com.sun.enterprise.deployment.client.DeployAction.run(DeployAction.java:538)
at java.lang.Thread.run(Thread.java:636)
当我重新启动服务器时，我得到了这些：
Unexpected error occurred while loading applications
java.lang.IncompatibleClassChangeError: Implementing class
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:632)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:277)
at java.net.URLClassLoader.access$000(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:212)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
at java.lang.ClassLoader.loadClass(ClassLoader.java:319)
at com.sun.appserv.server.util.ASURLClassLoader.loadClass(ASURLClassLoader.java:144)
at java.lang.ClassLoader.loadClass(ClassLoader.java:264)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:332)
at org.hibernate.ejb.Ejb3Configuration.<clinit>(Ejb3Configuration.java:107)
at org.hibernate.ejb.HibernatePersistence.createContainerEntityManagerFactory(HibernatePersistence.java:130)
at com.sun.enterprise.server.PersistenceUnitLoaderImpl.load(PersistenceUnitLoaderImpl.java:149)
at com.sun.enterprise.server.PersistenceUnitLoaderImpl.load(PersistenceUnitLoaderImpl.java:84)
at com.sun.enterprise.server.AbstractLoader.loadPersistenceUnits(AbstractLoader.java:915)
at com.sun.enterprise.server.ApplicationLoader.doLoad(ApplicationLoader.java:184)
at com.sun.enterprise.server.TomcatApplicationLoader.doLoad(TomcatApplicationLoader.java:126)
at com.sun.enterprise.server.ExtendedApplicationLoader.doLoad(ExtendedApplicationLoader.java:134)
at com.sun.enterprise.server.AbstractLoader.load(AbstractLoader.java:240)
at com.sun.enterprise.server.AbstractManager.load(AbstractManager.java:226)
at com.sun.enterprise.server.ApplicationLifecycle.onStartup(ApplicationLifecycle.java:224)
at com.sun.enterprise.server.ApplicationServer.onStartup(ApplicationServer.java:449)
at com.sun.enterprise.server.ondemand.OnDemandServer.onStartup(OnDemandServer.java:134)
at com.sun.enterprise.server.PEMain.run(PEMain.java:409)
at com.sun.enterprise.server.PEMain.main(PEMain.java:336)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at com.sun.enterprise.server.PELaunch.main(PELaunch.java:415)
在这里你也可以看到同样的问题at org.hibernate.ejb.Ejb3Configuration.<clinit>(Ejb3Configuration.java:107)
谁能帮助我为什么会出现这个错误。
这是非常需要的。
谢谢