【问题标题】:JavaMail Spring boot properties does not recognize propertiesJavaMail Spring boot 属性不识别属性
【发布时间】:2020-12-30 18:21:03
【问题描述】:

我有一个带有 javamail 的 Spring Boot 应用程序,我配置了 spring.properties,但它似乎没有使用属性来发送电子邮件。

#mail properties
spring.mail.host = smtp.gmail.com
spring.mail.port = 587
spring.mail.username = eeee@gmail.com 
spring.mail.password = eeee
spring.mail.protocol = smtp
spring.mail.defaultEncoding=UTF-8
spring.mail.smtp.starttls.enable=false
spring.mail.smtp.starttls.required=false
spring.mail.smtp.auth=true
spring.mail.smtp.connectiontimeout=5000
spring.mail.smtp.timeout=5000
spring.mail.smtp.writetimeout=5000 

这里是发送电子邮件的 java 代码

@Service
public class MailSenderServiceImpl implements IMailSenderService{

@Autowired
JavaMailSender mailSender;


@Override
public void sendEmailStatusNotification(Shipment shipment) throws IOException, MessagingException{
    final MimeMessage mimeMessage = this.mailSender.createMimeMessage();
    final MimeMessageHelper message = new MimeMessageHelper(mimeMessage, "UTF-8");
    message.setFrom(shipment.getSender().getSenderEmail());
    message.setTo(new String[] {shipment.getRecipient().getRecipientEmail()});
    message.setSubject("Shipment "+shipment.getTrackingNumber()+"status update");
    message.setText("the shipment status is now :"+shipment.getStatus().getLabel());
    this.mailSender.send(mimeMessage);
}

pom.xml

        <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-mail</artifactId>
    </dependency>

这里我们看到了这个错误

org.springframework.mail.MailSendException:邮件服务器连接失败;嵌套异常是 com.sun.mail.util.MailConnectException:无法连接到主机,端口:localhost,25;超时-1; 嵌套异常是: java.net.ConnectException:连接被拒绝:连接。失败消息:com.sun.mail.util.MailConnectException:无法连接到主机,端口:localhost,25;超时-1; 嵌套异常是: java.net.ConnectException:连接被拒绝:连接;消息异常 (1) 是: 失败消息 1:com.sun.mail.util.MailConnectException:无法连接到主机,端口:localhost,25;超时-1; 嵌套异常是: java.net.ConnectException:连接被拒绝:连接

有什么想法吗?

【问题讨论】:

    标签: spring-boot jakarta-mail properties-file


    【解决方案1】:

    默认情况下spring.properties 不是属性源,请尝试将它们放入application.properties

    【讨论】:

    • 弹簧属性被添加到一个名为 application.properties 的文件中
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