我是春天的新手,所以请多多包涵。
我尝试使用注释和 java 配置我的应用程序。但是,数据源没有被注入到我的 dao 实现中。
我有一个属性文件,它维护 3 个不同的配置(dev、uat、prd),这些是通过CommonConfig访问的。
我得到以下错误-
Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanInitializationException: Property 'dataSource' is required for bean 'jdbcClientFundDao'
道-
package com.globeop.goreporting.gonavpack.persistence.dao;
import java.util.ArrayList;
import java.util.List;
public interface ClientFundDao {
public List<String> getClientsForUser(String user);
public ArrayList<String> getFundsForClient(String client);
}
DAO 实施者-
package com.globeop.goreporting.gonavpack.persistence.dao.impl;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import javax.sql.DataSource;
import org.springframework.beans.factory.annotation.Required;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Repository;
import com.globeop.goreporting.gonavpack.persistence.dao.ClientFundDao;
@Repository
public class JdbcClientFundDao implements ClientFundDao {
private JdbcTemplate jdbcTemplate;
@Required // tried @Autowired also
public void setDataSource(DataSource datasource) {
this.jdbcTemplate = new JdbcTemplate(datasource);
}
public List<String> getClientsForUser(String user) {
List<String> clients = jdbcTemplate.queryForList("select distinct ClientShortName from Client where IsActiveFlag = ?", String.class, 1);
return clients;
}
public ArrayList<String> getFundsForClient(String client) {
// TODO Auto-generated method stub
return null;
}
}
数据源——
package com.globeop.goreporting.gonavpack.persistence.datasource;
import org.apache.tomcat.dbcp.dbcp.BasicDataSource;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import com.globeop.goreporting.gonavpack.model.CommonConfig;
@Configuration
public class DataSourceForClientFund {
private static final String driverClassName = CommonConfig.DB_PARAMETERMAP_DRIVER;
private static final String url = CommonConfig.DB_PARAMETERMAP_URL;
private static final String dbUsername = CommonConfig.DB_PARAMETERMAP_USER;
private static final String dbPassword = CommonConfig.DB_PARAMETERMAP_PWD;
@Bean
public static BasicDataSource getDataSource() {
BasicDataSource dataSource = new BasicDataSource();
dataSource.setDriverClassName(driverClassName);
dataSource.setUrl(url);
dataSource.setUsername(dbUsername);
dataSource.setPassword(dbPassword);
return dataSource;
}
}
WebApplication 上下文 (NavSummaryServlet-context.xml)-
<!-- Contains @Controller, @RequestMapping, view resolver, etc -->
<context:component-scan base-package="com.globeop.goreporting.gonavpack.webconfigs" />
<mvc:annotation-driven />
应用程序上下文 (NavSummaryApplication-context.xml)-
<!-- Contains DAO, DAO impl, and DataSource beans -->
<context:annotation-config/>
<context:component-scan base-package="com.globeop.goreporting.gonavpack.persistence" />
web.xml-
<servlet>
<servlet-name>NavSummaryServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/spring/goNavPackServlet/NavSummaryServlet-context.xml</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>NavSummaryServlet</servlet-name>
<url-pattern>/navSummary.jsp</url-pattern>
</servlet-mapping>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/spring/goNavPackApp/NavSummaryApplication-context.xml</param-value>
</context-param>