我们有一个包含JPA实体bean的jar文件和一个无状态会话bean，其中注入的EntityManager作为服务bean。服务bean具有以下注释：
@Stateless
@LocalBean
@EJB(name = "java:global/DataService", beanName = "DataService", beanInterface = DataService.class)
由于Glassfish可移植上下文名称包含war文件名（及其版本号），因此我们使用@EJB注释来定义与war文件名无关的名称。
这个jar是一个依赖/包含在两个单独的war文件中。 war文件部署在同一Glassfish（3.1.2.2）服务器中。我们在日志中发现了绑定问题，并认为问题是类加载器。我已经尝试过多次将EJB部署到同一个应用服务器上，但是还没有找到任何东西。
有人可以提供搜索字词或指向我解释可能有助于解决上述问题的EJB类加载的资源吗？
根据要求，这是一个示例异常，其中JPA jar文件包含在名为DataModelTest的测试war / app中：
[#|2014-05-29T10:47:11.880-0600|WARNING|glassfish3.1.2|javax.enterprise.system.container.web.com.sun.enterprise.web|_ThreadID=2132;_ThreadName=Thread-6;|WEB0610: [/DataModelTest] failed to unbind namespace
javax.naming.NameNotFoundException: Cannot find name to unbind
at com.sun.enterprise.naming.impl.TransientContext.doUnbind(TransientContext.java:398)
at com.sun.enterprise.naming.impl.TransientContext.unbind(TransientContext.java:420)
at com.sun.enterprise.naming.impl.TransientContext.unbind(TransientContext.java:424)
at com.sun.enterprise.naming.impl.SerialContextProviderImpl.unbind(SerialContextProviderImpl.java:124)
at com.sun.enterprise.naming.impl.SerialContext.unbind(SerialContext.java:740)
at javax.naming.InitialContext.unbind(InitialContext.java:435)
at javax.naming.InitialContext.unbind(InitialContext.java:435)
at com.sun.enterprise.naming.impl.GlassfishNamingManagerImpl.unpublishObject(GlassfishNamingManagerImpl.java:246)
at com.sun.enterprise.container.common.impl.ComponentEnvManagerImpl.unbindFromComponentNamespace(ComponentEnvManagerImpl.java:355)
at com.sun.enterprise.web.WebModuleContextConfig.unbindFromComponentNamespace(WebModuleContextConfig.java:454)
at com.sun.enterprise.web.WebModuleContextConfig.stop(WebModuleContextConfig.java:447)
at com.sun.enterprise.web.WebModuleContextConfig.lifecycleEvent(WebModuleContextConfig.java:174)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:149)
at org.apache.catalina.core.StandardContext.stop(StandardContext.java:5603)
at com.sun.enterprise.web.WebModule.stop(WebModule.java:527)
at org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:1049)
at com.sun.enterprise.web.WebContainer.unloadWebModule(WebContainer.java:2230)
at com.sun.enterprise.web.WebContainer.unloadWebModule(WebContainer.java:2185)
at com.sun.enterprise.web.WebApplication.stop(WebApplication.java:159)
at org.glassfish.internal.data.EngineRef.stop(EngineRef.java:169)
at org.glassfish.internal.data.ModuleInfo.stop(ModuleInfo.java:302)
at org.glassfish.internal.data.ApplicationInfo.stop(ApplicationInfo.java:329)
at com.sun.enterprise.v3.server.ApplicationLifecycle.unload(ApplicationLifecycle.java:998)
at com.sun.enterprise.v3.server.ApplicationLifecycle.disable(ApplicationLifecycle.java:1970)
at com.sun.enterprise.v3.server.ApplicationLoaderService.stopApplication(ApplicationLoaderService.java:454)
at com.sun.enterprise.v3.server.ApplicationLoaderService.preDestroy(ApplicationLoaderService.java:422)
at com.sun.hk2.component.AbstractCreatorInhabitantImpl.dispose(AbstractCreatorInhabitantImpl.java:83)
at com.sun.hk2.component.SingletonInhabitant.release(SingletonInhabitant.java:81)
at com.sun.hk2.component.EventPublishingInhabitant.release(EventPublishingInhabitant.java:108)
at com.sun.hk2.component.LazyInhabitant.release(LazyInhabitant.java:133)
at com.sun.enterprise.v3.server.AppServerStartup.stop(AppServerStartup.java:429)
at com.sun.enterprise.glassfish.bootstrap.GlassFishImpl.stop(GlassFishImpl.java:88)
at com.sun.enterprise.glassfish.bootstrap.GlassFishDecorator.stop(GlassFishDecorator.java:68)
at com.sun.enterprise.v3.admin.StopServer.doExecute(StopServer.java:70)
at com.sun.enterprise.v3.admin.StopDomainCommand.execute(StopDomainCommand.java:95)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$1.execute(CommandRunnerImpl.java:348)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$2.run(CommandRunnerImpl.java:377)
|#]
答案 0 :(得分：0)
难道这不需要你将你的两场战争重新打包到一个耳中，只有一个包含EJB的jar副本吗？