javamail做用户密码找回功能出现的问题解决结果。

我做的是用户找回密码的功能 当我引入SendMail.java就出错java.lang.reflect.InvocationTargetException 解决方法是mail.jar和activation.jar没有导入

Java code

SendMail send = new SendMail();int count=send.sand(userVO.getEmail(),"密码找回",content,path);

Java code

/* * Sendmain.java  * 2007.6.19:15:07 @ in pnetp.com  */package com.util;import java.util.Date;import java.util.Properties;import javax.activation.DataHandler;import javax.activation.DataSource;import javax.activation.FileDataSource;import javax.mail.Authenticator;import javax.mail.Message;import javax.mail.MessagingException;import javax.mail.Multipart;import javax.mail.PasswordAuthentication;import javax.mail.Session;import javax.mail.Transport;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeBodyPart;import javax.mail.internet.MimeMessage;import javax.mail.internet.MimeMultipart;public class SendMail{  //Smtp服务IP；    private String host = null;        //发送者邮箱；    private String from = null;        //接收者邮箱；    private String to = null;        //本地附件；    private String fileAttachment = null;        //邮件主题；    private String subject = null;        //邮件内容；    private String text = null;         public String getFileAttachment() {  return fileAttachment; } public void setFileAttachment(String fileAttachment) {  this.fileAttachment = fileAttachment; } public String getFrom() {  return from; } public void setFrom(String from) {  this.from = from; } public String getHost() {  return host; } public void setHost(String host) {  this.host = host; } public String getSubject() {  return subject; } public void setSubject(String subject) {  this.subject = subject; } public String getText() {  return text; } public void setText(String text) {  this.text = text; } public String getTo() {  return to; } public void setTo(String to) {  this.to = to; } public boolean sendM(){  try{   // system properties   java.security.Security   .addProvider(new com.sun.net.ssl.internal.ssl.Provider());   final Properties props = new Properties();    props.put("mail.transport.protocol", "smtp");    props.put("mail.smtp.starttls.enable","true");   props.put("mail.smtp.host", host);    props.put("mail.smtp.port", "465");   props.put("mail.smtp.timeout","25000");   props.put("mail.smtp.auth", "true");    props.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");    props.put("mail.smtp.socketFactory.fallback", "false");        // 获取 session   Session sendMailSession = Session.getInstance(props,new Authenticator() {    public PasswordAuthentication getPasswordAuthentication() {     return new PasswordAuthentication("[e-mail]", "sinew2009"); } });    // 声名 message   MimeMessage message = new MimeMessage(sendMailSession);   message.setFrom(     new InternetAddress(from));   message.addRecipient(     Message.RecipientType.TO,     new InternetAddress(to));   message.setSubject(subject);   message.setSentDate(new Date());      // 建立 message part    MimeBodyPart messageBodyPart =     new MimeBodyPart();   //内容；   messageBodyPart.setText(text);   Multipart multipart = new MimeMultipart();   multipart.addBodyPart(messageBodyPart);   // 附件；   messageBodyPart = new MimeBodyPart();   DataSource source =    new FileDataSource(fileAttachment);  messageBodyPart.setDataHandler(     new DataHandler(source));   messageBodyPart.setFileName(fileAttachment);   multipart.addBodyPart(messageBodyPart);      message.setContent(multipart);      // 发送邮件；   Transport.send(message);   return true;  }catch(MessagingException m){      m.printStackTrace();   return false;     }    } public int sand(String to,String title,String text,String fujian){      SendMail sm = new SendMail();      sm.setFileAttachment(fujian);        //本地附件；      sm.setFrom("[e-mail]");    //发送者邮箱；      sm.setTo(to);    //接收者邮箱；      sm.setHost("smtp.gmail.com");            //Smtp服务IP；      sm.setSubject(title);                //邮件主题      sm.setText(text);     //邮件内容      int i=-1;      if(sm.sendM()){       i=1;      }else{       i=2;      }       return i;} }