@OneToMany 解决方案

异常信息：2014-8-10 23:47:59 org.hibernate.annotations.common.reflection.java.JavaReflectionManager INFO: HCANN000001: Hibernate Commons Annotations {4.0.4.Final}2014-8-10 23:47:59 org.hibernate.Version logVersionINFO: HHH000412: Hibernate Core {4.3.5.Final}2014-8-10 23:47:59 org.hibernate.cfg.Environment INFO: HHH000206: hibernate.properties not found2014-8-10 23:47:59 org.hibernate.cfg.Environment buildBytecodeProviderINFO: HHH000021: Bytecode provider name : javassist2014-8-10 23:47:59 org.hibernate.cfg.Configuration configureINFO: HHH000043: Configuring from resource: /hibernate.cfg.xml2014-8-10 23:47:59 org.hibernate.cfg.Configuration getConfigurationInputStreamINFO: HHH000040: Configuration resource: /hibernate.cfg.xml2014-8-10 23:47:59 org.hibernate.internal.util.xml.DTDEntityResolver resolveEntityWARN: HHH000223: Recognized obsolete hibernate namespace http://hibernate.sourceforge.net/. Use namespace http://www.hibernate.org/dtd/ instead. Refer to Hibernate 3.6 Migration Guide!2014-8-10 23:47:59 org.hibernate.cfg.Configuration doConfigureINFO: HHH000041: Configured SessionFactory: null2014-8-10 23:47:59 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl configureWARN: HHH000402: Using Hibernate built-in connection pool (not for production use!)2014-8-10 23:47:59 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreatorINFO: HHH000401: using driver [com.mysql.jdbc.Driver] at URL [jdbc:mysql://localhost:3306/xxp]2014-8-10 23:47:59 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreatorINFO: HHH000046: Connection properties: {user=root, password=****}2014-8-10 23:47:59 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreatorINFO: HHH000006: Autocommit mode: false2014-8-10 23:47:59 org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl configureINFO: HHH000115: Hibernate connection pool size: 20 (min=1)2014-8-10 23:48:00 org.hibernate.dialect.Dialect INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQLDialect2014-8-10 23:48:00 org.hibernate.engine.jdbc.internal.LobCreatorBuilder useContextualLobCreationINFO: HHH000423: Disabling contextual LOB creation as JDBC driver reported JDBC version [3] less than 4Initial SessionFactory creation failedorg.hibernate.AnnotationException: Collection has neither generic type or OneToMany.targetEntity() defined: sap.model.Customer.contactses!SESSION 2014-08-10 23:47:58.309 -----------------------------------------------eclipse.buildId=unknownjava.version=1.6.0_10-rc2java.vendor=Sun Microsystems Inc.BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=zh_CNFramework arguments:  -application SAP.applicationCommand-line arguments:  -application SAP.application -data E:\workspace/../runtime-sap.product -dev file:E:/workspace/.metadata/.plugins/org.eclipse.pde.core/sap.product/dev.properties -os win32 -ws win32 -arch x86 -consoleLog!ENTRY org.eclipse.equinox.registry 4 1 2014-08-10 23:48:00.479!MESSAGE Unable to create view ID SAP.VIEWER.CustomerMgrView: Plug-in 'SAP' was unable to instantiate class 'sap.viewer.CustomerMgrView'.!STACK 0java.lang.ExceptionInInitializerError at sap.utils.dao.HibernateUtil.(HibernateUtil.java:20) at sap.viewer.CustomerMgrView.(CustomerMgrView.java:45) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at java.lang.Class.newInstance0(Unknown Source) at java.lang.Class.newInstance(Unknown Source) at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:184) at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:905) at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243) at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55) at org.eclipse.ui.internal.WorkbenchPlugin.createExtension(WorkbenchPlugin.java:260) at org.eclipse.ui.internal.registry.ViewDescriptor.createView(ViewDescriptor.java:63) at org.eclipse.ui.internal.ViewReference.createPartHelper(ViewReference.java:327) at org.eclipse.ui.internal.ViewReference.createPart(ViewReference.java:229) at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595) at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:313) at org.eclipse.ui.internal.ViewPane.setVisible(ViewPane.java:534) at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:180) at org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:270) at org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65) at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:473) at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1245) at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1198) at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1597) at org.eclipse.ui.internal.PartStack.createControl(PartStack.java:643) at org.eclipse.ui.internal.PartStack.createControl(PartStack.java:570) at org.eclipse.ui.internal.PartSashContainer.createControl(PartSashContainer.java:568) at org.eclipse.ui.internal.PerspectiveHelper.activate(PerspectiveHelper.java:272) at org.eclipse.ui.internal.Perspective.onActivate(Perspective.java:981) at org.eclipse.ui.internal.WorkbenchPage.onActivate(WorkbenchPage.java:2714) at org.eclipse.ui.internal.WorkbenchWindow$28.run(WorkbenchWindow.java:3030) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.internal.WorkbenchWindow.setActivePage(WorkbenchWindow.java:3011) at org.eclipse.ui.internal.WorkbenchWindow.busyOpenPage(WorkbenchWindow.java:799) at org.eclipse.ui.internal.Workbench$23.runWithException(Workbench.java:1229) at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4140) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3757) at org.eclipse.ui.application.WorkbenchAdvisor.openWindows(WorkbenchAdvisor.java:803) at org.eclipse.ui.internal.Workbench$33.runWithException(Workbench.java:1600) at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31) at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:180) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:150) at org.eclipse.swt.widgets.Display.syncExec(Display.java:4683) at org.eclipse.ui.internal.StartupThreading.runWithoutExceptions(StartupThreading.java:94) at org.eclipse.ui.internal.Workbench.init(Workbench.java:1595) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2628) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2499) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:679) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:668) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at sap.Application.start(Application.java:34) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577) at org.eclipse.equinox.launcher.Main.run(Main.java:1410) at org.eclipse.equinox.launcher.Main.main(Main.java:1386)Caused by: org.hibernate.AnnotationException: Collection has neither generic type or OneToMany.targetEntity() defined: sap.model.Customer.contactses at org.hibernate.cfg.annotations.CollectionBinder.getCollectionType(CollectionBinder.java:703) at org.hibernate.cfg.annotations.CollectionBinder.bind(CollectionBinder.java:503) at org.hibernate.cfg.AnnotationBinder.processElementAnnotations(AnnotationBinder.java:2156) at org.hibernate.cfg.AnnotationBinder.processIdPropertiesIfNotAlready(AnnotationBinder.java:963) at org.hibernate.cfg.AnnotationBinder.bindClass(AnnotationBinder.java:796) at org.hibernate.cfg.Configuration$MetadataSourceQueue.processAnnotatedClassesQueue(Configuration.java:3788) at org.hibernate.cfg.Configuration$MetadataSourceQueue.processMetadata(Configuration.java:3742) at org.hibernate.cfg.Configuration.secondPassCompile(Configuration.java:1410) at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1844) at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1928) at sap.utils.dao.HibernateUtil.(HibernateUtil.java:17) ... 69 more