【发布时间】：2016-07-15 06:27:19
【问题描述】：
我正在尝试在 Intellij Idea 上使用 Hibernate 连接数据库。
Bean文件是基于Hibernate实体类自动生成的。
public class SirketEntityManagedBean {
private EntityManagerFactory myEntityManagerFactory;
public SirketEntityManagedBean() {
myEntityManagerFactory = Persistence.createEntityManagerFactory("hibernate.cfg.xml");
}
// ...
}
当我运行它时，会抛出以下异常：
javax.persistence.PersistenceException：没有名为 hibernate.cfg.xml 的 EntityManager 的持久性提供程序 javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:69) javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:47) beans.SirketEntityManagedBean.
(SirketEntityManagedBean.java:40) sun.reflect.NativeConstructorAccessorImpl.newInstance0（本机方法） sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) java.lang.reflect.Constructor.newInstance(Constructor.java:423) java.lang.Class.newInstance(Class.java:442) com.sun.faces.mgbean.BeanBuilder.newBeanInstance(BeanBuilder.java:186) com.sun.faces.mgbean.BeanBuilder.build(BeanBuilder.java:100) com.sun.faces.mgbean.BeanManager.createAndPush(BeanManager.java:409) com.sun.faces.mgbean.BeanManager.create(BeanManager.java:269) com.sun.faces.el.ManagedBeanELResolver.resolveBean(ManagedBeanELResolver.java:244) com.sun.faces.el.ManagedBeanELResolver.getValue(ManagedBeanELResolver.java:116) com.sun.faces.el.DemuxCompositeELResolver._getValue(DemuxCompositeELResolver.java:176) com.sun.faces.el.DemuxCompositeELResolver.getValue(DemuxCompositeELResolver.java:203) org.apache.el.parser.AstIdentifier.getValue(AstIdentifier.java:71) org.apache.el.parser.AstValue.getValue(AstValue.java:161) org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:184) com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:109) javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:194) org.primefaces.component.panelmenu.PanelMenu.getModel(PanelMenu.java:84) org.primefaces.component.menu.BaseMenuRenderer.encodeEnd(BaseMenuRenderer.java:108) javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:919) javax.faces.component.UIComponent.encodeAll(UIComponent.java:1903) javax.faces.render.Renderer.encodeChildren(Renderer.java:176) javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:889) org.primefaces.renderkit.CoreRenderer.renderChild(CoreRenderer.java:84) org.primefaces.renderkit.CoreRenderer.renderChildren(CoreRenderer.java:71) org.primefaces.component.layout.LayoutUnitRenderer.encodeEnd(LayoutUnitRenderer.java:49) javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:919) javax.faces.component.UIComponent.encodeAll(UIComponent.java:1903) javax.faces.component.UIComponent.encodeAll(UIComponent.java:1899) javax.faces.component.UIComponent.encodeAll(UIComponent.java:1899) javax.faces.component.UIComponent.encodeAll(UIComponent.java:1899) com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:451) com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:131) com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120) com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:219) javax.faces.webapp.FacesServlet.service(FacesServlet.java:647) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
这里是persistence.xml：
<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence" version="2.0">
<persistence-unit name="NewPersistenceUnit">
<provider>org.hibernate.ejb.HibernatePersistence</provider>
<class>hib.OrtamEntity</class>
<class>hib.SorumluEntity</class>
<class>hib.SirketEntity</class>
<class>hib.VpnkullaniciEntity</class>
<properties>
<property name="hibernate.connection.url" value="jdbc:oracle:thin:@//XXX.X.XX.XX:1521/PROD"/>
<property name="hibernate.connection.driver_class" value="oracle.jdbc.OracleDriver"/>
<property name="hibernate.connection.username" value="XXTEST"/>
<property name="hibernate.connection.password" value="XXTEST"/>
<property name="hibernate.archive.autodetection" value="class"/>
<property name="hibernate.show_sql" value="true"/>
<property name="hibernate.format_sql" value="true"/>
<property name="hbm2ddl.auto" value="update"/>
</properties>
</persistence-unit>
</persistence>
这是项目目录：
这是怎么引起的，我该如何解决？
【问题讨论】：
-
如果不调用init，那么它与PrimeFaces有什么关系呢？日志记录中的任何错误？如果您在“开发模式”下运行应用程序怎么办？您认为它是一个 bean 怎么办？面孔-config.xml？请创建一个minimal reproducible example
-
那么该堆栈跟踪的哪一部分不清楚？你的标题是错误的，你的标签是错误的（但“错误更正”）
-
你有persistence.xml吗？我强烈认为您的持久单元名称不是“hibernate.cfg.xml”。您的配置不正确。如果有的话，请在此处发布 persistence.xml。确保 persistence.xml 也是您的类路径。您可以参考这个问题以获得更多想法 - stackoverflow.com/questions/1158159/…
-
我已经编辑了问题@Manish
-
@Erdinc - 我发布了这个问题的答案。您需要更改为 createEntityManagerFactory("NewPersistenceUnit")
标签： hibernate jpa persistence-provider