我有一封MailMessage类,用于管理从我的应用程序发送的电子邮件。它对纯文本消息起作用很好,当我在命令行上手动编译和运行它时,附件逻辑工作,但在Glassfish 3.1中运行它时未能包含附件。我假设必须有一些微妙的类加载问题,我在命令行上通过设置CLASSPATH环境来破坏,但是我一直无法弄清楚需要更改哪个应用程序服务器设置。下面是在命令行中运行时,我用它来创建和发送我的邮件代码:Glassfish中未包含的电子邮件附件
public static void main(String[] args) throws Exception {
String[] toAddr = new String[] {"[email protected]"};
String subject = "This is a test";
String data = "This is a message body";
MailMessage mailMessage = new MailMessage(toAddr, subject, data);
mailMessage.addAttachment(new File("/etc/hosts"), "text/plain");
mailMessage.send();
}
如果我改变了功能,一个由我的servlet调用的方法,启用调试,所产生的邮件看起来是这样的:
[#|2011-11-17T11:21:37.710-0500|INFO|glassfish3.1|javax.enterprise.system.std.com.sun.enterprise.server.logging|_ThreadID=105;_ThreadName=Thread-1;|Date: Thu, 17 Nov 2011 11:21:37 -0500 (EST)
From: [email protected]
To: [email protected]
Message-ID: <9116840.7.1321546897580.JavaMail...>
Subject: This is a test
MIME-Version: 1.0
Content-Type: multipart/mixed;
boundary="----=_Part_6_16232037.1321546897569"
.
|#]
通过比较,当我运行在命令行上相同的代码,它显示了所有的附件,每一个与所述单独的消息边界。这是我使用添加附件到底层的MimeMessage功能:
private Multipart buildMultipartMessage(String messageBody)
throws MessagingException {
MimeBodyPart messagePart = new MimeBodyPart();
messagePart.setText(messageBody.toString());
Multipart multipart = new MimeMultipart();
multipart.addBodyPart(messagePart);
// Attach each of our files
for (File part : attachment.keySet()) {
BodyPart attachmentPart = new MimeBodyPart();
attachmentPart.setDataHandler(new DataHandler(new FileDataSource(part)));
attachmentPart.setFileName(part.getName() + ".txt");
attachmentPart.setHeader("Content-Type", attachment.get(part));
attachmentPart.setHeader("Content-ID", part.getName());
attachmentPart.setDisposition(Part.ATTACHMENT);
multipart.addBodyPart(attachmentPart);
}
return multipart;
}
由我的班MAILMESSAGE调用,像这样使用:
Message message = new MimeMessage(session);
message.setFrom(new InternetAddress("[email protected]"));
InternetAddress[] addresses = new InternetAddress[mailTo.length];
for (int i = 0; i < mailTo.length; i++)
addresses[i] = new InternetAddress(mailTo[i]);
message.setRecipients(Message.RecipientType.TO, addresses);
message.setSubject(subject);
message.setSentDate(new Date());
Multipart multipart = buildMultipartMessage(messageBody.toString());
message.setContent(multipart);
再次,所有这些代码,完全按照原样编译,运行并在命令行上运行时生成带有附件的有效电子邮件。只有当我在Glassfish中做同样的事情时才会得到一条空的消息。
有关如何诊断此问题的任何建议将不胜感激。
史蒂夫
UPDATE:
如果我添加此代码调用buildMultipartMessage()之后,但message.setContent(多)之前,我可以看到的内容是正确的:
try {
BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream("/var/tmp/stf"));
multipart.writeTo(bos);
bos.close();
} catch (Exception ex) { }
/var/tmp/stf文件包含带附件和分隔符的完整邮件正文。我仍然困惑于为什么它可以从命令行运行,但不在Glassfish内运行,但这些信息可能有助于解决问题。