在编译代码时出现以下错误,请问那有问题呢?
org.apache.jasper.JasperException
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:372)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
root cause java.lang.NullPointerException
javax.mail.internet.MimeUtility.checkAscii(MimeUtility.java:1286)
javax.mail.internet.MimeBodyPart.setText(MimeBodyPart.java:1023)
javax.mail.internet.MimeMessage.setText(MimeMessage.java:1467)
javax.mail.internet.MimeMessage.setText(MimeMessage.java:1451)
org.apache.jsp.Testmail_jsp._jspService(Testmail_jsp.java:81)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs.
org.apache.jasper.JasperException
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:372)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
root cause java.lang.NullPointerException
javax.mail.internet.MimeUtility.checkAscii(MimeUtility.java:1286)
javax.mail.internet.MimeBodyPart.setText(MimeBodyPart.java:1023)
javax.mail.internet.MimeMessage.setText(MimeMessage.java:1467)
javax.mail.internet.MimeMessage.setText(MimeMessage.java:1451)
org.apache.jsp.Testmail_jsp._jspService(Testmail_jsp.java:81)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs.
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检查你的servlet,看看service中的代码.好像是设置message body为空的问题.
<%@ page contentType="text/html;charset=GB2312" %>
<%request.setCharacterEncoding("gb2312");%>
<%@ page import="java.util.*,javax.mail.*"%>
<%@ page import="javax.mail.internet.*"%><html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>发送邮件提示信息</title>
</head><body>
<%
try{//从html表单中获取邮件信息
String tto=request.getParameter("to");
String ttitle=request.getParameter("title");
String tcontent=request.getParameter("content");Properties props=new Properties();
props.put("mail.smtp.host","smtp.126.com");//存储发送邮件服务器的信息
props.put("mail.smtp.auth","true");//同时通过验证
Session s=Session.getInstance(props);//根据属性新建一个邮件会话
s.setDebug(true);MimeMessage message=new MimeMessage(s);//由邮件会话新建一个消息对象//设置邮件
InternetAddress from=new InternetAddress("[email protected]");
message.setFrom(from);//设置发件人
InternetAddress to=new InternetAddress(tto);
message.setRecipient(Message.RecipientType.TO,to);//设置收件人
message.setSubject(ttitle);//设置主题
message.setText(tcontent);//设置信件内容
message.setSentDate(new Date());//设置发信时间//发送邮件
message.saveChanges();//存储邮件信息
Transport transport=s.getTransport("smtp");
transport.connect("smtp.126.com","jspmail123","123456");//以smtp方式登录邮箱
transport.sendMessage(message,message.getAllRecipients());//发送邮件,其中第二个参数是所有已设好的收件人地址
transport.close();%>
<div align="center">
<p><font color="#FF6600">发送成功!</font></p><br></div>
<%
}catch(MessagingException e){
out.println(e.toString());
}
%>
</body>
</html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>写邮件</title>
</head><body>
<form name="form1" method="post" action="Testmail02.jsp">
<table width="75" border="0" align="center" cellspacing="1" bgcolor="#006666" >
<tr bgcolor="#FFFFFF">
<td width="40%">收信人地址:</td>
<td width="80%">
<input name="to" type="text" id="to"></td>
</tr>
<tr bgcolor="#FFFFFF">
<td width="40%">发信人地址:</td>
<td width="80%">
<input name="to" type="text" id="from"></td>
</tr>
<tr bgcolor="#FFFFFF">
<td>主题:</td>
<td>
<input name="title" type="text" id="title"></td>
</tr>
<td height="107" colspan="2" bgcolor="#FFFFFF">
<p>正文:<br><textarea name="message" cols="50" rows="15" id="content"></textarea></td>
</tr>
<tr align="center">
<td colspan="2" bgcolor="#FFFFFF">
<input type="submit" name="Submit" value="发送">
<input type="reset" name="Submit2" value="重置">
</td>
</tr>
</table>
</form>
</body>
</html>
改成
<textarea name="content" cols="50" rows="15">
试试,
name属性和id属性是不一样的.
提示是连接不到本机localhost啊
可是你上面的代码里就没有出现localhost你改动了哪里?是把connect()方法里的hostname改成localhost了吗