我们正在开发 JSF ，* EJB *， JPA 项目。应用程序服务器是Websphere 8.0.0.8 在我们开始使用 RTC 进行共享和源代码管理之前，一切都很好。据我所知，它合并了配置文件，无法编译项目。我们通过手动修复库的路径解决了这个问题。但是我们无法修复的一个问题是，当我们尝试使用JPA项目并向/从DB写入或读取内容时，我们会收到下一个错误。
[3/17/14 13:09:34:417 IST] 00000018 SystemErr R <openjpa-2.1.2-SNAPSHOT-r422266:1530146 fatal user error> org.apache.openjpa.persistence.ArgumentException: A JDBC Driver or DataSource class name must be specified in the ConnectionDriverName property.
[3/17/14 13:09:34:417 IST] 00000018 SystemErr R at org.apache.openjpa.jdbc.schema.DataSourceFactory.newDataSource(DataSourceFactory.java:76)
[3/17/14 13:09:34:417 IST] 00000018 SystemErr R at org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.createConnectionFactory(JDBCConfigurationImpl.java:844)
[3/17/14 13:09:34:418 IST] 00000018 SystemErr R at org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.getDBDictionaryInstance(JDBCConfigurationImpl.java:602)
[3/17/14 13:09:34:418 IST] 00000018 SystemErr R at org.apache.openjpa.jdbc.meta.MappingRepository.endConfiguration(MappingRepository.java:1518)
[3/17/14 13:09:34:418 IST] 00000018 SystemErr R at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:531)
[3/17/14 13:09:34:418 IST] 00000018 SystemErr R at org.apache.openjpa.lib.conf.Configurations.configureInstance(Configurations.java:456)
[3/17/14 13:09:34:418 IST] 00000018 SystemErr R at org.apache.openjpa.lib.conf.PluginValue.instantiate(PluginValue.java:121)
[3/17/14 13:09:34:418 IST] 00000018 SystemErr R at org.apache.openjpa.conf.MetaDataRepositoryValue.instantiate(MetaDataRepositoryValue.java:68)
[3/17/14 13:09:34:418 IST] 00000018 SystemErr R at org.apache.openjpa.lib.conf.ObjectValue.instantiate(ObjectValue.java:83)
[3/17/14 13:09:34:418 IST] 00000018 SystemErr R at org.apache.openjpa.conf.OpenJPAConfigurationImpl.newMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:949)
[3/17/14 13:09:34:419 IST] 00000018 SystemErr R at org.apache.openjpa.conf.OpenJPAConfigurationImpl.getMetaDataRepositoryInstance(OpenJPAConfigurationImpl.java:940)
[3/17/14 13:09:34:419 IST] 00000018 SystemErr R at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:335)
[3/17/14 13:09:34:419 IST] 00000018 SystemErr R at com.ibm.ws.persistence.kernel.WsJpaBrokerImpl.initialize(WsJpaBrokerImpl.java:306)
[3/17/14 13:09:34:419 IST] 00000018 SystemErr R at org.apache.openjpa.kernel.BrokerImpl.initialize(BrokerImpl.java:323)
[3/17/14 13:09:34:419 IST] 00000018 SystemErr R at com.ibm.ws.persistence.kernel.WsJpaBrokerImpl.initialize(WsJpaBrokerImpl.java:293)
[3/17/14 13:09:34:419 IST] 00000018 SystemErr R at org.apache.openjpa.kernel.AbstractBrokerFactory.initializeBroker(AbstractBrokerFactory.java:229)
[3/17/14 13:09:34:419 IST] 00000018 SystemErr R at org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:213)
[3/17/14 13:09:34:419 IST] 00000018 SystemErr R at org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:156)
[3/17/14 13:09:34:420 IST] 00000018 SystemErr R at org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:227)
[3/17/14 13:09:34:420 IST] 00000018 SystemErr R at com.ibm.ws.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:71)
[3/17/14 13:09:34:420 IST] 00000018 SystemErr R at com.ibm.ws.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:35)
[3/17/14 13:09:34:420 IST] 00000018 SystemErr R at com.ibm.ws.jpa.management.JPAEMPool.getEntityManager(JPAEMPool.java:140)
[3/17/14 13:09:34:420 IST] 00000018 SystemErr R at com.ibm.ws.jpa.management.JPATxEntityManager.getEMInvocationInfo(JPATxEntityManager.java:242)
[3/17/14 13:09:34:420 IST] 00000018 SystemErr R at com.ibm.ws.jpa.management.JPATxEntityManager.getEMInvocationInfo(JPATxEntityManager.java:174)
[3/17/14 13:09:34:420 IST] 00000018 SystemErr R at com.ibm.ws.jpa.management.JPAEntityManager.persist(JPAEntityManager.java:143)
[3/17/14 13:09:34:420 IST] 00000018 SystemErr R at com.ibm.security.ejbs.site.SiteManager.AddSite(SiteManager.java:78)
[3/17/14 13:09:34:421 IST] 00000018 SystemErr R at com.ibm.security.ejbs.site.EJSLocal1SLSiteManager_b1fc2dbe.AddSite(EJSLocal1SLSiteManager_b1fc2dbe.java)
[3/17/14 13:09:34:421 IST] 00000018 SystemErr R at com.ibm.spir.webbeans.SiteBean.addSite(SiteBean.java:52)
[3/17/14 13:09:34:421 IST] 00000018 SystemErr R at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[3/17/14 13:09:34:421 IST] 00000018 SystemErr R at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:60)
[3/17/14 13:09:34:421 IST] 00000018 SystemErr R at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
[3/17/14 13:09:34:421 IST] 00000018 SystemErr R at java.lang.reflect.Method.invoke(Method.java:611)
[3/17/14 13:09:34:421 IST] 00000018 SystemErr R at org.apache.el.parser.AstValue.invoke(AstValue.java:268)
[3/17/14 13:09:34:421 IST] 00000018 SystemErr R at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:278)
[3/17/14 13:09:34:421 IST] 00000018 SystemErr R at org.apache.myfaces.view.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:83)
[3/17/14 13:09:34:421 IST] 00000018 SystemErr R at javax.faces.component._MethodExpressionToMethodBinding.invoke(_MethodExpressionToMethodBinding.java:88)
[3/17/14 13:09:34:422 IST] 00000018 SystemErr R at org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:100)
[3/17/14 13:09:34:422 IST] 00000018 SystemErr R at javax.faces.component.UICommand.broadcast(UICommand.java:120)
[3/17/14 13:09:34:422 IST] 00000018 SystemErr R at javax.faces.component.UIViewRoot._broadcastAll(UIViewRoot.java:973)
[3/17/14 13:09:34:422 IST] 00000018 SystemErr R at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:275)
[3/17/14 13:09:34:422 IST] 00000018 SystemErr R at javax.faces.component.UIViewRoot._process(UIViewRoot.java:1285)
[3/17/14 13:09:34:422 IST] 00000018 SystemErr R at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:711)
[3/17/14 13:09:34:422 IST] 00000018 SystemErr R at org.apache.myfaces.lifecycle.InvokeApplicationExecutor.execute(InvokeApplicationExecutor.java:34)
[3/17/14 13:09:34:422 IST] 00000018 SystemErr R at org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:172)
[3/17/14 13:09:34:423 IST] 00000018 SystemErr R at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:119)
[3/17/14 13:09:34:423 IST] 00000018 SystemErr R at javax.faces.webapp.FacesServlet.service(FacesServlet.java:189)
[3/17/14 13:09:34:423 IST] 00000018 SystemErr R at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1230)
[3/17/14 13:09:34:423 IST] 00000018 SystemErr R at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:779)
[3/17/14 13:09:34:423 IST] 00000018 SystemErr R at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:478)
[3/17/14 13:09:34:423 IST] 00000018 SystemErr R at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:178)
[3/17/14 13:09:34:423 IST] 00000018 SystemErr R at com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1071)
[3/17/14 13:09:34:423 IST] 00000018 SystemErr R at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:87)
[3/17/14 13:09:34:423 IST] 00000018 SystemErr R at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:914)
[3/17/14 13:09:34:424 IST] 00000018 SystemErr R at com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1662)
[3/17/14 13:09:34:424 IST] 00000018 SystemErr R at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:200)
[3/17/14 13:09:34:424 IST] 00000018 SystemErr R at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:453)
[3/17/14 13:09:34:424 IST] 00000018 SystemErr R at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:515)
[3/17/14 13:09:34:424 IST] 00000018 SystemErr R at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:306)
[3/17/14 13:09:34:424 IST] 00000018 SystemErr R at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:277)
[3/17/14 13:09:34:424 IST] 00000018 SystemErr R at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminators(NewConnectionInitialReadCallback.java:214)
[3/17/14 13:09:34:425 IST] 00000018 SystemErr R at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:113)
[3/17/14 13:09:34:425 IST] 00000018 SystemErr R at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:175)
[3/17/14 13:09:34:425 IST] 00000018 SystemErr R at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)
[3/17/14 13:09:34:425 IST] 00000018 SystemErr R at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)
[3/17/14 13:09:34:425 IST] 00000018 SystemErr R at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)
[3/17/14 13:09:34:425 IST] 00000018 SystemErr R at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)
[3/17/14 13:09:34:425 IST] 00000018 SystemErr R at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)
[3/17/14 13:09:34:425 IST] 00000018 SystemErr R at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)
[3/17/14 13:09:34:425 IST] 00000018 SystemErr R at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1702)
答案 0 :(得分：0)
好的，我们发现了问题。无意中有人为EJB项目添加了JPA功能，并干扰了主要的JPA项目。