使用SpringMVC发送html邮件的java空指针异常

Question

春季邮报。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>

电子邮件处理器。java

eBeanFactory@7e78d6c6：定义bean[mailSender，mailMail]；工厂层级的根 JAVAlang.NullPointerException

Answer 1

通过下面的链接，你可以轻松地发送邮件 http://javaeasyforu.blogspot.in/2013/10/sending-email-using-spring-mvc.html

Answer 2

private JavaMailSender javaMailSender;

在您的情况下，必须调用此属性的setter private MailSender mailSender;将由spring自动注入。但是 private JavaMailSender javaMailSender;将为空

您正在调用javaMailSender.send(mimeMessage);，结果是空指针

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