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我一直在嘗試使用javamail api閱讀Gmail收件箱郵件。我在互聯網上找到了以下代碼。我試圖在Eclipse上運行它,但是它失敗並出現「無效憑證異常」。我在web-app的lib目錄中有mail.jar,activation.jar,imap.jar和其他jar文件。javamail api訪問Gmail收件箱郵件
任何想法爲什麼我收到此異常?謝謝。
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);
}
}
}
看起來您傳遞的是「密碼」作爲密碼,並且您的用戶名可能無效。這可能會解釋無效憑證異常。你真的有連接到系統的有效用戶名嗎? – 2012-07-11 19:03:12