我卡住了,无法解决发送带附件的电子邮件的问题。
没有附件时一切正常。但当我尝试添加附件时,会出现异常:
Failed messages: javax.mail.MessagingException: IOException while sending message;nested exception is:
java.io.IOException: javax.mail.MessagingException: Empty multipart: multipart/related;
boundary="----=_Part_1_733213598.1441009036818"
这是我的属性文件:
reports.mailSender.clientEmail=zyx@gmail.com
spring.mail.host=smtp.gmail.com
spring.mail.port=587
spring.mail.username=xyz@gmail.com
spring.mail.password=****
spring.mail.properties.mail.mime.multipart.allowempty=true
spring.mail.properties.mail.smtp.auth=true
spring.mail.properties.mail.smtp.starttls.enable=true
spring.mail.properties.mail.smtp.ssl.trust=smtp.gmail.com
并使用它的类:
@Component
public class MailSenderService {
@Autowired
JavaMailSender javaMailSender;
@Value("${reports.mailSender.clientEmail}")
private String clientEmail;
public void sendMessage() {
MimeMessage mimeMessage = javaMailSender.createMimeMessage();
FileSystemResource file = new FileSystemResource(new File("c:\\simple.jpg"));
try {
mimeMessage.addRecipient(Message.RecipientType.TO, new InternetAddress(clientEmail));
mimeMessage.setFrom("xyz@gmail.com");
mimeMessage.setText(
"Hi");
MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, true);
helper.addAttachment(file.getFilename(), file);
} catch (MessagingException e) {
e.printStackTrace();
}
try {
this.javaMailSender.send(mimeMessage);
} catch (MailException ex) {
// simply log it and go on...
System.err.println(ex.getMessage());
}
}
}
我猜测MimeMessageHelper可能存在问题,但是我自己无法解决。有人能帮我吗?
helper.setText()
来替代mimeMessage.setText()
。 - Jens