凡科网站投票排行榜是怎么做的,公司宣传网站建设,查询个人营业执照信息,网站开发现状Java测试发送邮件的时候经常出现异常#xff0c;检查多次账户名密码无误后#xff0c;依然出现如下图错误#xff1a; 之前不清楚#xff0c;后面在网上得到提醒#xff0c;我们所使用的smtp服务器使用的密码与我们自身登录网页端邮箱的密码是不一样的#xff0c;以163邮…Java测试发送邮件的时候经常出现异常检查多次账户名密码无误后依然出现如下图错误 之前不清楚后面在网上得到提醒我们所使用的smtp服务器使用的密码与我们自身登录网页端邮箱的密码是不一样的以163邮箱为例当我们设置打开smtp服务时会要求我们设下载地址下载1 封装好的java邮件包,代码调用示例 public static void main(String[] args) throws Exception {FinderSendMail sendMail;MailInfo mailInfo new MailInfo();mailInfo.setTitle(test title);mailInfo.setFrom(xxx163.com);mailInfo.setHost(smtp.163.com);mailInfo.setTo(xxxgmail.com);mailInfo.setUsername(xxx163.com);mailInfo.setPassword(xxx);//mailInfo.setContentType(text/html);mailInfo.setContent(welcome to 技术社区);sendMailnew FinderSendMail(mailInfo);sendMail.send();} 就这么简单调用就发出去了 依赖包 activition.jar,mail.jar, log4j.jar 如果你放在有JAVAEE.JAR 环境下 运行 会有一下错误问题 首次运行你可能会遇到以下的错误所以note.txt文件就用来提供遇到的错误以及对应的解决方案 note.txt java.lang.NoClassDefFoundError: com/sun/mail/util/LineInputStreamat javax.mail.Session.loadProvidersFromStream(Session.java:928)at javax.mail.Session.access$000(Session.java:174)at javax.mail.Session$1.load(Session.java:870)at javax.mail.Session.loadResource(Session.java:1084)at javax.mail.Session.loadProviders(Session.java:889)at javax.mail.Session.(Session.java:210)at javax.mail.Session.getDefaultInstance(Session.java:299)at mail.SendMail.sendMail(SendMail.java:31)at mail.SendMail.main(SendMail.java:50) Exception in thread main解决方案:在myeclipse的安装目录下搜索javaee.jar,然后用压缩软件打开删除javax下的mail文件夹 java.lang.NoClassDefFoundError: com/sun/activation/registries/LogSupportat javax.activation.MailcapCommandMap.(MailcapCommandMap.java:140)at javax.activation.CommandMap.getDefaultCommandMap(CommandMap.java:61)at javax.activation.DataHandler.getCommandMap(DataHandler.java:153)at javax.activation.DataHand1、注册一个网易邮箱开通smtp服务作为发送邮件的邮箱服务器 2、jar包准备commons-email-1.3.3.jaractivation.jar等源码有提供 3、准备工作 //设置smtp host,QQ邮箱邮件服务器为smtp.qq.com,此处为163 邮箱private static final String HostName ler.getDataContentHandler(DataHandler.java:611)at javax.activation.DataHandler.writeTo(DataHandler.java:315)at javax.mail.internet.MimeUtility.getEncoding(MimeUtility.java:264)at javax.mail.internet.MimeBodyPart.updateHeaders(MimeBodyPart.java:1299)at javax.mail.internet.MimeMessage.updateHeaders(MimeMessage.java:2071)at javax.mail.internet.MimeMessage.saveChanges(MimeMessage.java:2039)at javax.mail.Transport.send(Transport.java:119)at mail.SendMail.sendMailNoValidate(SendMail.java:48)at mail.SendMail.main(SendMail.java:96) Exception in thread main解决方案:在myeclipse的安装目录下搜索javaee.jar,然后用压缩软件打开删除javax文件夹下的activation文件夹 javax.mail.SendFailedException: Sending failed;nested exception is:javax.mail.MessagingException: 503 Error: need EHLO and AUTH first !at javax.mail.Transport.send0(Transport.java:219)at javax.mail.Transport.send(Transport.java:81)at com.asiainfo.bboss.sendmail.SendMailServiceImpl.sendMailNoValidate(SendMailServiceImpl.java:210)at com.asiainfo.bboss.sendmail.SendMailServiceImpl.sendMail(SendMailServiceImpl.java:243)at com.asiainfo.bboss.sendmail.SendMailServiceImpl.main(SendMailServiceImpl.java:261) 解决方案:props.put(mail.smtp.auth, true);javax.mail.SendFailedException: Sending failed;nested exception is:javax.mail.AuthenticationFailedExceptionat javax.mail.Transport.send0(Transport.java:219)at javax.mail.Transport.send(Transport.java:81)at com.asiainfo.bboss.sendmail.SendMailServiceImpl.sendMailNoValidate(SendMailServiceImpl.java:211)at com.asiainfo.bboss.sendmail.SendMailServiceImpl.sendMail(SendMailServiceImpl.java:244)at com.asiainfo.bboss.sendmail.SendMailServiceImpl.main(SendMailServiceImpl.java:262) 解决方案: MyAuthenticator myauth new MyAuthenticator(mailInfo.getUsername(),password);
