java - 使用Spring MVC发送html邮件的NULL指针异常

Spring-Mail.xml

<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-2.5.xsd">

<bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
    <property name="host" value="smtp.gmail.com" />


    <property name="javaMailProperties">
       <props>
    </property>
</bean>

<bean id="mailMail" class="com.mkyong.common.EmailProcessor">
    <property name="mailSender" ref="mailSender" />
</bean>

</beans>

EmailProcessor.java

eBeanFactory @ 7e78d6c6：定义bean [mailSender，mailMail]；工厂层次结构的根
    java.lang.NullPointerException

最佳答案

private JavaMailSender javaMailSender;

您必须致电此属性的设置者
 private MailSender mailSender;将在春季自动注入。但
 private JavaMailSender javaMailSender;将为空。

您正在调用javaMailSender.send(mimeMessage);导致空指针。

使用(JavaMailSender)mailSender.send(mimeMessage);代替javaMailSender.send(mimeMessage);