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我一直在尝试使用javamail api阅读Gmail收件箱邮件。我在互联网上找到了以下代码。我试图在Eclipse上运行它,但是它失败并出现“无效凭证异常”。我在web-app的lib目录中有mail.jar,activation.jar,imap.jar和其他jar文件。javamail api访问Gmail收件箱邮件
任何想法为什么我收到此异常?谢谢。
javax.mail.AuthenticationFailedException: Invalid credentials n67if632335wep.219
at com.sun.mail.imap.IMAPStore.protocolConnect(IMAPStore.java:665)
at javax.mail.Service.connect(Service.java:295)
at javax.mail.Service.connect(Service.java:176)
at org.mb.mail.MailReader.main(MailReader.java:23)
package org.mb.mail;
import java.util.Properties;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.NoSuchProviderException;
import javax.mail.Session;
import javax.mail.Store;
import javax.mail.*;
public class MailReader {
public static void main(String args[]) {
Properties props = System.getProperties();
props.setProperty("mail.store.protocol", "imaps");
try {
Session session = Session.getDefaultInstance(props, null);
Store store = session.getStore("imaps");
store.connect("imap.gmail.com", "<username>", "password");
System.out.println(store);
Folder inbox = store.getFolder("Inbox");
inbox.open(Folder.READ_ONLY);
Message messages[] = inbox.getMessages();
for(Message message:messages) {
System.out.println(message);
}
} catch (NoSuchProviderException e) {
e.printStackTrace();
System.exit(1);
} catch (MessagingException e) {
e.printStackTrace();
System.exit(2);
}
}
}
看起来您传递的是“密码”作为密码,并且您的用户名可能无效。这可能会解释无效凭证异常。你真的有连接到系统的有效用户名吗? – 2012-07-11 19:03:12