Java 通过字段'表示未满足的依赖关系;productDao';
我看到很少有主题有相同的问题,但似乎原因不同。在我的例子中,当我将所有内容从虚拟数据更改为H2数据库后,尝试以调试模式启动应用程序时出现错误。我想我定义了一切,但显然有一些错误,但我找不到 请帮助我:( 我的错误日志是:Java 通过字段'表示未满足的依赖关系;productDao';,java,spring,h2,Java,Spring,H2,我看到很少有主题有相同的问题,但似乎原因不同。在我的例子中,当我将所有内容从虚拟数据更改为H2数据库后,尝试以调试模式启动应用程序时出现错误。我想我定义了一切,但显然有一些错误,但我找不到 请帮助我:( 我的错误日志是: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'homeController': Unsatisfied dependency ex
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'homeController': Unsatisfied dependency expressed through field 'productDao'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory': Failed to introspect bean class [org.springframework.orm.hibernate4.LocalSessionFactoryBean] for lookup method metadata: could not find class that it depends on; nested exception is java.lang.NoClassDefFoundError: org/hibernate/cfg/Configuration
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:588)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:366)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1264)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:866)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:542)
at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:443)
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:325)
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4738)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5181)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:725)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:701)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)
at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1678)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)
at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)
at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:463)
at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:413)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)
at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)
at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468)
at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76)
at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309)
at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1401)
at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:324)
at sun.rmi.transport.Transport$1.run(Transport.java:200)
at sun.rmi.transport.Transport$1.run(Transport.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.Transport.serviceCall(Transport.java:196)
at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:568)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:683)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory': Failed to introspect bean class [org.springframework.orm.hibernate4.LocalSessionFactoryBean] for lookup method metadata: could not find class that it depends on; nested exception is java.lang.NoClassDefFoundError: org/hibernate/cfg/Configuration
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.determineCandidateConstructors(AutowiredAnnotationBeanPostProcessor.java:269)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineConstructorsFromBeanPostProcessors(AbstractAutowireCapableBeanFactory.java:1118)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1091)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getSingletonFactoryBeanForTypeCheck(AbstractAutowireCapableBeanFactory.java:923)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getTypeForFactoryBean(AbstractAutowireCapableBeanFactory.java:804)
at org.springframework.beans.factory.support.AbstractBeanFactory.isTypeMatch(AbstractBeanFactory.java:558)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doGetBeanNamesForType(DefaultListableBeanFactory.java:432)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:403)
at org.springframework.beans.factory.BeanFactoryUtils.beanNamesForTypeIncludingAncestors(BeanFactoryUtils.java:220)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1260)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1101)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:585)
... 60 more
Caused by: java.lang.NoClassDefFoundError: org/hibernate/cfg/Configuration
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
at java.lang.Class.getDeclaredMethods(Class.java:1975)
at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:613)
at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:524)
at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:510)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.determineCandidateConstructors(AutowiredAnnotationBeanPostProcessor.java:247)
... 72 more
Caused by: java.lang.ClassNotFoundException: org.hibernate.cfg.Configuration
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1333)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1167)
... 79 more
我的pom.xml是:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.mywebsite</groupId>
<artifactId>emusicstore</artifactId>
<version>1.0-SNAPSHOT</version>
<dependencies>
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>taglibs</groupId>
<artifactId>standard</artifactId>
<version>1.1.2</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>4.1.4.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>4.1.4.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>4.1.4.RELEASE</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>4.0.1.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate.javax.persistence</groupId>
<artifactId>hibernate-jpa-2.0-api</artifactId>
<version>1.0.1.Final</version>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>1.4.196</version>
</dependency>
</dependencies>
</project>
4.0.0
com.mywebsite
乳胶店
1.0-快照
jstl
jstl
1.2
塔格利布
标准
1.1.2
org.springframework
SpringWebMVC
4.1.4.1发布
org.springframework
弹簧芯
4.1.4.1发布
org.springframework
春季甲虫
4.1.4.1发布
org.hibernate
冬眠核心
4.0.1.最终版本
org.hibernate.javax.persistence
hibernate-jpa-2.0-api
1.0.1.最终版本
com.h2数据库
氢
1.4.196
My dispatcher-servlet.xml:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd">
<context:component-scan base-package="com.emusicstore" />
<mvc:annotation-driven />
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/views/" />
<property name="suffix" value=".jsp" />
</bean>
<mvc:resources mapping="/resources/**" location="WEB-INF/resources/" />
<tx:annotation-driven/>
</beans>
My ApplicationContext.xml:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="org.h2.Driver"/>
<property name="url" value="jdbc:h2:tcp://localhost/~/test"/>
<property name="username" value="sa"/>
<property name="password" value=""/>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.H2Dialect</prop>
<prop key="hibernate.hbm2ddl.auto">update</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.format_sql">true</prop>
</props>
</property>
<property name="packagesToScan">
<list>
<value>com.emusicstore</value>
</list>
</property>
</bean>
<bean id="transactionManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
</beans>
org.hibernate.dial.h2方言
更新
真的
真的
com.emusicstore
HomeController.java是:
package com.emusicstore.controller;
import com.emusicstore.dao.ProductDao;
import com.emusicstore.model.Product;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import java.io.IOException;
import java.util.List;
@Controller
public class HomeController {
@Autowired
private ProductDao productDao;
@RequestMapping("/")
public String home() {
return "home";
}
@RequestMapping("/productList")
public String getProducts(Model model) {
List<Product> products = productDao.getAllProduct();
model.addAttribute("products", products);
return "productList";
}
@RequestMapping("/productList/viewProduct/{productId}")
public String viewProduct(@PathVariable String productId, Model model) throws IOException {
Product product = productDao.getProductById(productId);
model.addAttribute(product);
return "viewProduct";
}
}
package com.emusicstore.controller;
导入com.emusicstore.dao.ProductDao;
导入com.emusicstore.model.Product;
导入org.springframework.beans.factory.annotation.Autowired;
导入org.springframework.stereotype.Controller;
导入org.springframework.ui.Model;
导入org.springframework.web.bind.annotation.PathVariable;
导入org.springframework.web.bind.annotation.RequestMapping;
导入java.io.IOException;
导入java.util.List;
@控制器
公共类家庭控制器{
@自动连线
私人产品;
@请求映射(“/”)
公共字符串home(){
返回“家”;
}
@请求映射(“/productList”)
公共字符串getProducts(模型){
List products=productDao.getAllProduct();
model.addAttribute(“产品”,产品);
返回“产品列表”;
}
@请求映射(“/productList/viewProduct/{productId}”)
公共字符串viewProduct(@PathVariable String productId,模型模型)引发IOException{
Product Product=productDao.getProductById(productId);
模型。添加属性(产品);
返回“查看产品”;
}
}
最后,我的ProductDaoImpl.java是:
@Repository
@Transactional
public class ProductDaoImpl implements ProductDao {
@Autowired
private SessionFactory sessionFactory;
public void addProduct(Product product) {
Session session = sessionFactory.getCurrentSession();
session.saveOrUpdate(product);
session.flush();
}
public Product getProductById(String id) {
Session session = sessionFactory.getCurrentSession();
Product product = (Product) session.get(Product.class, id);
session.flush();
return product;
}
public List<Product> getAllProduct() {
Session session = sessionFactory.getCurrentSession();
List<Product> products = (List<Product>) session.createCriteria("from Product").list();
session.flush();
return products;
}
public void deleteProduct(String id) {
Session session = sessionFactory.getCurrentSession();
session.delete(getProductById(id));
session.flush();
}
}
@存储库
@交易的
公共类ProductDaoImpl实现ProductDao{
@自动连线
私人会话工厂会话工厂;
公共产品(产品){
Session Session=sessionFactory.getCurrentSession();
会话.保存或更新(产品);
session.flush();
}
公共产品getProductById(字符串id){
Session Session=sessionFactory.getCurrentSession();
Product=(Product)session.get(Product.class,id);
session.flush();
退货产品;
}
公共列表getAllProduct(){
Session Session=sessionFactory.getCurrentSession();
List products=(List)session.createCriteria(“来自产品”).List();
session.flush();
退货产品;
}
公共产品(字符串id){
Session Session=sessionFactory.getCurrentSession();
删除(getProductById(id));
session.flush();
}
}
我将非常感谢您的帮助,谢谢
更新(web.xml文件)
org.springframework.web.context.ContextLoaderListener
上下文配置位置
/WEB-INF/dispatcher-servlet.xml,
/WEB-INF/applicationContext.xml
调度员
org.springframework.web.servlet.DispatcherServlet
1.
调度员
/
如何构建和启动应用程序
在任何情况下,服务器都无法使用hibernate库。我假设您正在以war的形式导出并部署到某个服务器上,而您缺少包含此jar的地方
将JAR导入WEB-INF/lib文件夹,然后重试
还是跟着这里
创建jar/war文件的步骤
.如何构建和启动应用程序 在任何情况下,服务器都无法使用hibernate库。我假设您正在以war的形式导出并部署到某个服务器上,而您缺少包含此jar的地方 将JAR导入WEB-INF/lib文件夹,然后重试 还是跟着这里 创建jar/war文件的步骤
.这似乎是必要的。jar在WEB-INF/lib文件夹中可用。此处链接:链接clearlt显示hibernate jar不在lib目录中。检查有效pom文件中hibernate jar的范围。是否“提供”?确定.org.hibernate.cfg.Configuration在hibernate-core-5.2.11.Final.jar中,是否在您的lib文件夹中(或其他版本)嗯,对不起,我在找spring(不知道为什么:P)好的,没有hibernate.jar,但是它们是在我的maven pom.xml中定义的…那么问题出在哪里呢?我只是想让maven来做。您如何在服务器中部署?这似乎是必要的。JAR可以在WEB-INF/lib文件夹中找到。链接:链接clearlt显示hibernate JAR不在lib目录中。检查hibernate jar在有效的pom文件中。它是否“提供”?ok.org.hibernate.cfg.Configuration在hibernate-core-5.2.11.Final.jar中,它是否在您的lib文件夹(或其他)中
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
version="3.1">
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>
/WEB-INF/dispatcher-servlet.xml,
/WEB-INF/applicationContext.xml
</param-value>
</context-param>
<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>