Question

堆栈跟踪严重：上下文初始化失败 org.springframework.beans.factory.BeanCreationException：使用名称＆＃39; springProjectController＆＃39;创建bean时出错：注册自动连接的依赖项失败;嵌套异常是org.springframework.beans.factory.BeanCreationException：无法自动装配字段：private com.springproject.service.SpringProjectservice com.springproject.controller.SpringProjectController.springservice;嵌套异常是org.springframework.beans.factory.BeanCreationException：使用名称＆＃39; springProjectServiceImpl＆＃39;创建bean时出错：注册自动装配的依赖项失败;嵌套异常是org.springframework.beans.factory.BeanCreationException：无法自动装配字段：com.springproject.dao.SpringProjectDao com.springproject.service.SpringProjectServiceImpl.springprojectdao;嵌套异常是org.springframework.beans.factory.BeanCreationException：创建名为＆＃39; springProjectDaoImpl＆＃39;的注册自动连接依赖项失败;嵌套异常是org.springframework.beans.factory.BeanCreationException：无法自动装配字段：org.springframework.jdbc.core.JdbcTemplate com.springproject.dao.SpringProjectDaoImpl.jdbcTemplate;嵌套异常是org.springframework.beans.factory.NoSuchBeanDefinitionException：没有为依赖项找到类型[org.springframework.jdbc.core.JdbcTemplate]的限定bean：期望至少有一个bean可以作为此依赖项的autowire候选者。依赖注释：{@ org.springframework.beans.factory.annotation.Autowired（required = true）} 在org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues（AutowiredAnnotationBeanPostProcessor.java:292）在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean（AbstractAutowireCapableBeanFactory.java:1185）在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean（AbstractAutowireCapableBeanFactory.java:537）在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean（AbstractAutowireCapableBeanFactory.java:475） at org.springframework.beans.factory.support.AbstractBeanFactory $ 1.getObject（AbstractBeanFactory.java:304）在org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton（DefaultSingletonBeanRegistry.java:228）在org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean（AbstractBeanFactory.java:300）在org.springframework.beans.factory.support.AbstractBeanFactory.getBean（AbstractBeanFactory.java:195） at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons（DefaultListableBeanFactory.java:700）在org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization（AbstractApplicationContext.java:760） at org.springframework.context.support.AbstractApplicationContext.refresh（AbstractApplicationContext.java:482）在org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext（FrameworkServlet.java:643）在org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext（FrameworkServlet.java:606）在org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext（FrameworkServlet.java:657）在org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext（FrameworkServlet.java:525）在org.springframework.web.servlet.FrameworkServlet.initServletBean（FrameworkServlet.java:466）在org.springframework.web.servlet.HttpServletBean.init（HttpServletBean.java:136）在javax.servlet.GenericServlet.init（GenericServlet.java:158）在org.apache.catalina.core.StandardWrapper.initServlet（StandardWrapper.java:1282）在org.apache.catalina.core.StandardWrapper.loadServlet（StandardWrapper.java:1195）在org.apache.catalina.core.StandardWrapper.allocate（StandardWrapper.java:866）在org.apache.catalina.core.StandardWrapperValve.invoke（StandardWrapperValve.java:134）在org.apache.catalina.core.StandardContextValve.invoke（StandardContextValve.java:122）在org.apache.catalina.authenticator.AuthenticatorBase.invoke（AuthenticatorBase.java:505）在org.apache.catalina.core.StandardHostValve.invoke（StandardHostValve.java:169）在org.apache.catalina.valves.ErrorReportValve.invoke（ErrorReportValve.java:103）在org.apache.catalina.valves.AccessLogValve.invoke（AccessLogValve.java:956）在org.apache.catalina.core.StandardEngineValve.invoke（StandardEngineValve.java:116）在org.apache.catalina.connector.CoyoteAdapter.service（CoyoteAdapter.java:442）在org.apache.coyote.http11.AbstractHttp11Processor.process（AbstractHttp11Processor.java:1082） at org.apache.coyote.AbstractProtocol $ AbstractConnectionHandler.process（AbstractProtocol.java:623） at org.apache.tomcat.util.net.JIoEndpoint $ SocketProcessor.run（JIoEndpoint.java:316） at java.util.concurrent.ThreadPoolExecutor.runWorker（Unknown Source） at java.util.concurrent.ThreadPoolExecutor $ Worker.run（Unknown Source） at org.apache.tomcat.util.threads.TaskThread $ WrappingRunnable.run（TaskThread.java:61）在java.lang.Thread.run（未知来源）引起：org.springframework.beans.factory.BeanCreationException：无法自动装配字段：private com.springproject.service.SpringProjectservice com.springproject.controller.SpringProjectController.springservice;嵌套异常是org.springframework.beans.factory.BeanCreationException：使用名称＆＃39; springProjectServiceImpl＆＃39;创建bean时出错：注册自动装配的依赖项失败;嵌套异常是org.springframework.beans.factory.BeanCreationException：无法自动装配字段：com.springproject.dao.SpringProjectDao com.springproject.service.SpringProjectServiceImpl.springprojectdao;嵌套异常是org.springframework.beans.factory.BeanCreationException：创建名为＆＃39; springProjectDaoImpl＆＃39;的注册自动连接依赖项失败;嵌套异常是org.springframework.beans.factory.BeanCreationException：无法自动装配字段：org.springframework.jdbc.core.JdbcTemplate com.springproject.dao.SpringProjectDaoImpl.jdbcTemplate;嵌套异常是org.springframework.beans.factory.NoSuchBeanDefinitionException：没有为依赖项找到类型[org.springframework.jdbc.core.JdbcTemplate]的限定bean：期望至少有一个bean可以作为此依赖项的autowire候选者。依赖注释：

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://java.sun.com/xml/ns/javaee"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
    id="WebApp_ID" version="3.0">

    <servlet>
        <servlet-name>SpringDispatcher</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>SpringDispatcher</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>


</web-app>


SpringDispatcher-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:p="http://www.springframework.org/schema/p"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    xsi:schemaLocation="
    http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context-3.0.xsd
    http://www.springframework.org/schema/mvc
    http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
<!--  
    <mvc:annotation-driven/> -->
    <context:annotation-config /> 
    <context:component-scan base-package = "com.springproject.controller" />

     <bean id="dataSource"
        class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="com.mysql.jdbc.Driver" />
        <property name="url" value="jdbc:mysql://localhost:3306/lo" />
        <property name="username" value="root" />
        <property name="password" value="root" />
    </bean>
    <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
        <property name="dataSource" ref="dataSource"/>
    </bean>
    <bean id="springprojectdao" class="com.springproject.dao.SpringProjectDaoImpl">
         <property name="jdbcTemplate" ref="jdbcTemplate" />
    </bean> 
    <bean
        class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/jsp/" />
        <property name="suffix" value=".jsp" />
    </bean>
     <mvc:resources mapping="/resources/**" location="/resources/" />

</beans>

SpringprojectController

package com.springproject.controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import com.springproject.bean.Bean;
import com.springproject.service.SpringProjectservice;

@Controller
@ComponentScan("com.springproject.service")
public class SpringProjectController 
{
    @Autowired
    private SpringProjectservice springservice;

    @RequestMapping(value = "/login")
    public String getview() {
        return "Login";
    }


    @RequestMapping(value= "/usercheck", method= RequestMethod.POST)
    public String Usercheck(@ModelAttribute("form") Bean login)
    {
        System.out.println("" + login.getUsernameid());
        System.out.println("" + login.getPasswordid());
        String value = springservice.usercheck(login);
        return "success";
    }

}

@Serviceimpl

package com.springproject.service;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;

import com.springproject.bean.Bean;
import com.springproject.dao.SpringProjectDao;


@Service
@ComponentScan("com.springproject.dao")
public class SpringProjectServiceImpl implements SpringProjectservice 
{
    @Autowired
    SpringProjectDao springprojectdao;

    @Override
    public String usercheck(Bean login) {

        return springprojectdao.usercheck(login);
    }


}

DAOImpl

package com.springproject.dao;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Repository;

import com.springproject.bean.Bean;

@Repository
public class SpringProjectDaoImpl implements SpringProjectDao {

    @Autowired
    JdbcTemplate jdbcTemplate ;
    @Override
    public String usercheck(Bean login) {
        String SQL = "select count(*) from login where username = ? AND password = ? ";
        int flag = jdbcTemplate.queryForInt(SQL, new Object[]{login.getUsernameid(),login.getPasswordid()});
        return String.valueOf(flag);
    }



}

使用名称＆＃39; springProjectController＆＃39;创建bean时出错：注册自动连接的依赖项失败;无法自动装配字段：

0 个答案: