找不到类型为“org.springframework.mail.javamail.JavaMailSender"的bean

问题描述

我正在使用 spring boot 2.0.7 Release 和 spring-boot-starter-mail-2.0.7.Release.

我在类中自动装配 javaMailsender 在 Windows 上工作正常，同时尝试在 Unix 上部署时遇到 belwo 问题

I am autowiring javaMailsender inside the class working ok on windows while trying to deploy on Unix getting belwo issue

APPLICATION FAILED TO START
***************************

Description:

Field javaMailSender in com.fti.di.capstock.tran.pub.email.SendEmail required a bean of type 'org.springframework.mail.javamail.JavaMailSender' that could not be found.

The injection point has the following annotations:
        - @org.springframework.beans.factory.annotation.Autowired(required=true)


Action:

Consider defining a bean of type 'org.springframework.mail.javamail.JavaMailSender' in your configuration.

    import org.springframework.mail.javamail.JavaMailSender;
    import org.springframework.mail.javamail.MimeMessageHelper;
    import org.springframework.messaging.Message;
    import org.springframework.messaging.MessagingException;
    import org.springframework.stereotype.Component;

    import com.fti.di.capstock.tran.pub.constants.ApplicationFlowConstants;
    import com.fti.di.integration.constants.IntegrationConstants;
    import com.fti.di.integration.util.StringUtil;

    @Component("sendEmail")
    public class SendEmail {

        @Autowired
        private JavaMailSender javaMailSender;

        @Autowired
        Environment env;

        @ServiceActivator

推荐答案

在 Configuration 类中声明一个 JavaMailSender 类型的 @BeanSpring Context 的一部分，例如属于 3rd-party lib 的类，这恰好是您的情况).例如:

Declare a @Bean of the type JavaMailSender in a Configuration class (This is useful when you want to inject a class which is not part of your Spring Context, like a class that belongs to a 3rd-party lib, which happens to be your case). For example:

@Configuration
public class MyConfig {

    @Bean
    public JavaMailSender javaMailSender() { 
          return new JavaMailSender();
    }
}

确保您在 application.properties 下也设置了正确的属性.

Make sure that the you have set the right properties under application.properties as well.

另外，看看这个问题，因为我相信这是重复的(如果不是，我很抱歉)

Also, take a look into this question, as I believe this is a duplicate (if it's not, I am sorry)

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