我正在尝试在我的Spring网络应用程序中执行基本的MySQL数据库连接。所有配置都像我正在学习的教程一样，我得到以下控制台输出：
08-Aug-2016 21:39:32.244 WARNING [RMI TCP Connection(3)-127.0.0.1] org.springframework.beans.factory.support.DefaultListableBeanFactory.getTypeForFactoryBean Bean creation exception on non-lazy FactoryBean type check: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource': Invocation of init method failed; nested exception is javax.naming.NameNotFoundException: Name [jdbc/spring] is not bound in this Context. Unable to find [jdbc].
08-Aug-2016 21:39:32.248 WARNING [RMI TCP Connection(3)-127.0.0.1] org.springframework.beans.factory.support.DefaultListableBeanFactory.getTypeForFactoryBean Bean creation exception on non-lazy FactoryBean type check: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource': Invocation of init method failed; nested exception is javax.naming.NameNotFoundException: Name [jdbc/spring] is not bound in this Context. Unable to find [jdbc].
08-Aug-2016 21:39:32.254 WARNING [RMI TCP Connection(3)-127.0.0.1] org.springframework.beans.factory.support.DefaultListableBeanFactory.getTypeForFactoryBean Bean creation exception on non-lazy FactoryBean type check: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource': Invocation of init method failed; nested exception is javax.naming.NameNotFoundException: Name [jdbc/spring] is not bound in this Context. Unable to find [jdbc].
08-Aug-2016 21:39:32.255 WARNING [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.context.support.XmlWebApplicationContext.refresh Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'productsController': Unsatisfied dependency expressed through method 'setProductService' parameter 0: Error creating bean with name 'productService': Unsatisfied dependency expressed through method 'setProductDao' parameter 0: Error creating bean with name 'productDAO': Unsatisfied dependency expressed through method 'setDataSource' parameter 0: No qualifying bean of type [javax.sql.DataSource] found for dependency [javax.sql.DataSource]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {}; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [javax.sql.DataSource] found for dependency [javax.sql.DataSource]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {}; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'productDAO': Unsatisfied dependency expressed through method 'setDataSource' parameter 0: No qualifying bean of type [javax.sql.DataSource] found for dependency [javax.sql.DataSource]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {}; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [javax.sql.DataSource] found for dependency [javax.sql.DataSource]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {}; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'productService': Unsatisfied dependency expressed through method 'setProductDao' parameter 0: Error creating bean with name 'productDAO': Unsatisfied dependency expressed through method 'setDataSource' parameter 0: No qualifying bean of type [javax.sql.DataSource] found for dependency [javax.sql.DataSource]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {}; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [javax.sql.DataSource] found for dependency [javax.sql.DataSource]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {}; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'productDAO': Unsatisfied dependency expressed through method 'setDataSource' parameter 0: No qualifying bean of type [javax.sql.DataSource] found for dependency [javax.sql.DataSource]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {}; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [javax.sql.DataSource] found for dependency [javax.sql.DataSource]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {}
Related cause: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource': Invocation of init method failed; nested exception is javax.naming.NameNotFoundException: Name [jdbc/spring] is not bound in this Context. Unable to find [jdbc].
Related cause: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource': Invocation of init method failed; nested exception is javax.naming.NameNotFoundException: Name [jdbc/spring] is not bound in this Context. Unable to find [jdbc].
Related cause: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource': Invocation of init method failed; nested exception is javax.naming.NameNotFoundException: Name [jdbc/spring] is not bound in this Context. Unable to find [jdbc].
08-Aug-2016 21:39:32.257 SEVERE [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.context.ContextLoader.initWebApplicationContext Context initialization failed
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'productsController': Unsatisfied dependency expressed through method 'setProductService' parameter 0: Error creating bean with name 'productService': Unsatisfied dependency expressed through method 'setProductDao' parameter 0: Error creating bean with name 'productDAO': Unsatisfied dependency expressed through method 'setDataSource' parameter 0: No qualifying bean of type [javax.sql.DataSource] found for dependency [javax.sql.DataSource]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {}; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [javax.sql.DataSource] found for dependency [javax.sql.DataSource]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {}; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'productDAO': Unsatisfied dependency expressed through method 'setDataSource' parameter 0: No qualifying bean of type [javax.sql.DataSource] found for dependency [javax.sql.DataSource]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {}; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [javax.sql.DataSource] found for dependency [javax.sql.DataSource]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {}; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'productService': Unsatisfied dependency expressed through method 'setProductDao' parameter 0: Error creating bean with name 'productDAO': Unsatisfied dependency expressed through method 'setDataSource' parameter 0: No qualifying bean of type [javax.sql.DataSource] found for dependency [javax.sql.DataSource]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {}; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [javax.sql.DataSource] found for dependency [javax.sql.DataSource]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {}; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'productDAO': Unsatisfied dependency expressed through method 'setDataSource' parameter 0: No qualifying bean of type [javax.sql.DataSource] found for dependency [javax.sql.DataSource]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {}; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [javax.sql.DataSource] found for dependency [javax.sql.DataSource]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {}
Related cause: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource': Invocation of init method failed; nested exception is javax.naming.NameNotFoundException: Name [jdbc/spring] is not bound in this Context. Unable to find [jdbc].
Related cause: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource': Invocation of init method failed; nested exception is javax.naming.NameNotFoundException: Name [jdbc/spring] is not bound in this Context. Unable to find [jdbc].
Related cause: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource': Invocation of init method failed; nested exception is javax.naming.NameNotFoundException: Name [jdbc/spring] is not bound in this Context. Unable to find [jdbc].
这是我的web.xml文件：
<?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">
<resource-ref>
<description>DB Connection</description>
<res-ref-name>jdbc/drewnostalDB</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
<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/config/dao-context.xml
/WEB-INF/config/service-context.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>
和dao-context.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:jee="http://www.springframework.org/schema/jee"
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/jee http://www.springframework.org/schema/jee/spring-jee.xsd">
<context:annotation-config/>
<context:component-scan base-package="pl.drewnostal.dao"/>
<jee:jndi-lookup jndi-name="jdbc/spring" id="dataSource" expected-type="javax.sql.DataSource"/>
</beans>
这是来自Tomcat配置文件夹的context.xml：
<?xml version="1.0" encoding="UTF-8"?>
<Context>
<Resource name="jdbc/drewnostalDB" auth="Container" type="javax.sql.DataSource"
maxTotal="100" maxIdle="30" maxWaitMillis="10000"
username="root" password="" driverClassName="com.mysql.jdbc.Driver"
url="jdbc:mysql://localhost:3306/"/>
</Context>
我正在使用Tomcat 8.5.4和java 8. Spring jars版本是4.3.1而mysql-connector-java版本是6.0.3