00:49:34.284 [localhost-startStop-1] ERROR o.s.web.servlet.DispatcherServlet - Context initialization failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'puzzleDAOImp': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private org.springframework.jdbc.core.JdbcTemplate com.mrhunt.dao.PuzzleDAOImp.jdbcTemplate; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [org.springframework.jdbc.core.JdbcTemplate] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)} ... 29 common frames omitted Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [org.springframework.jdbc.core.JdbcTemplate] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)} ... 31 common frames omitted And my web.xml(src/main/webapp/WEB-INF/web.xml)
<web-app id="WebApp_ID" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <display-name>MR.Hunt</display-name> <servlet> <servlet-name>main</servlet-name> <servlet-class> org.springframework.web.servlet.DispatcherServlet </servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>main</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> </web-app> And applicationContext.xml(src/main/webapp/WEB-INF/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" xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" 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/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd"> <!-- 扫描类包，将标注Spring注解的类自动转化Bean，同时完成Bean的注入 --> <context:component-scan base-package="com.mrhunt.web" /> <context:component-scan base-package="com.mrhunt.model" /> <context:component-scan base-package="com.mrhunt.dao"/> <context:component-scan base-package="com.mrhunt.service"/> <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClass"> <value>${jdbc.driverClassName}</value> </property> <property name="jdbcUrl"> <value>${jdbc.url}</value> </property> <property name="user"> <value>${jdbc.username}</value> </property> <property name="password"> <value>${jdbc.password}</value> </property> </bean> <!-- 配置Jdbc模板 --> <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate"> <property name="dataSource" ref="dataSource"></property> </bean> <!-- 配置事务管理器 --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager" p:dataSource-ref="dataSource" /> <!-- 启动Spring MVC的注解功能，完成请求和注解POJO的映射 --> <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" /> <!-- 配置视图解析器，将ModelAndView及字符串解析为具体的页面 --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" p:viewClass="org.springframework.web.servlet.view.JstlView" p:prefix="/WEB-INF/jsp/" p:suffix=".jsp" /> </beans> Finally is .java file: Puzzle.java(src/main/java/com/mrhunt/model/Puzzle.java)
package com.mrhunt.model; import javax.persistence.*; import org.hibernate.annotations.Type; import org.springframework.format.annotation.DateTimeFormat; import java.sql.*; @Entity @Table(name = "puzzles") public class Puzzle { public Puzzle() { this.pz_id = 10; this.pz_name = "sin"; } @Column(name = "pz_id") private Integer pz_id; @Column(name = "pz_group") private String pz_group; @Column(name = "pz_name") private String pz_name; @Column(name = "pz_difficulty") private Integer pz_difficulty; @Column(name = "pz_description") private String pz_description; @Column(name = "pz_input") private String pz_input; @Column(name = "pz_output") private String pz_output; @Column(name = "pz_source") private String pz_source; @Column(name = "pz_createdate") @Type(type = "java.sql.Date") @DateTimeFormat(pattern = "yyyy-MM-dd") private Date pz_createdate; public Integer getPz_id() { return pz_id; } public void setPz_id(Integer pz_id) { this.pz_id = pz_id; } /*And other getter/setter*/ } PuzzleDAO.java(src/main/java/com/mrhunt/dao)
package com.mrhunt.dao; import java.util.*; import com.mrhunt.model.Puzzle; public interface PuzzleDAO { public Puzzle getPuzzleByID(int pz_id); public Map<String, String> getFunctionsByID(int pz_id); public List<String> getAllGroups(); public Map<Integer, String> getAllPuzzles(); public Map<Integer, String> getPuzzlesByGroup(String pz_group); } PuzzleDAOImp.java(src/main/java/com/mrhunt/dao/PuzzleDAOImp.java)
package com.mrhunt.dao; import java.sql.*; import java.util.*; import org.springframework.beans.factory.annotation.*; import org.springframework.jdbc.core.*; import org.springframework.stereotype.*; import com.mrhunt.model.Puzzle; @Repository public class PuzzleDAOImp implements PuzzleDAO { @Autowired private JdbcTemplate jdbcTemplate; public void setJdbcTemplate(JdbcTemplate jdbcTemplate) { this.jdbcTemplate = jdbcTemplate; } @Override /*functions are implemented here*/ } Sorry for the length of my problem...and how to fix this error?