Jira 发送邮件,抛出异常 Error while sending mail: IMAPProvider not found，处理如下

Jira 发送邮件,抛出异常 Error while sending mail: IMAPProvider not found，处理如下：

import com.sun.mail.imap.IMAPProvider;

import com.sun.mail.pop3.POP3Provider;

import com.sun.mail.smtp.SMTPProvider;

 

 

......

    /**

     *发送邮件

     */

    public static void sendMail(String to, String subject, String body) throws MailException {

        log.info("发送邮件------sendMail---------");

        val email = new Email(to);

        email.setSubject(subject); // 邮件主题

        email.setBody(body); // 邮件正文

        email.setMimeType("text/html");

        SMTPMailServer mailServer = MailFactory.getServerManager().getDefaultSMTPMailServer();

        if (Objects.isNull(mailServer)) {

            // 若没找到 SMTP 邮件服务器，则不发送邮件

            log.warn("SMTP Mail Server is not found. Please configure new SMTP mail server.");

            return;

        }

        try{

            //获取一次Session进行确认,如果获取不到Session,会抛出异常

            mailServer.getSession();

        }catch (Throwable t) {

            //异常处理

            log.info("getSession error-----" +t.getMessage());

            log.info("ServiceLoader -----install");

            //将发送邮件缺少的类,进行添加

            ServiceLoader.loadInstalled(IMAPProvider.class);

            ServiceLoader.loadInstalled(SMTPProvider.class);

            ServiceLoader.loadInstalled(POP3Provider.class);

            log.info("ServiceLoader -----install end");

        }

        // 发送时，会重新进行session 初始化操作

        mailServer.send(email);

    }

 

......