1
我想要的电子邮件发送到指令:https://cloud.google.com/appengine/docs/java/mail/sending-mail-with-mail-api与谷歌应用引擎发送邮件
但我得到这个错误:
com.google.apphosting.api.ApiProxy$CancelledException: The API call remote_socket.CreateSocket() was explicitly cancelled.
at com.google.apphosting.api.ApiProxy.makeSyncCall (ApiProxy.java:118)
at com.google.apphosting.api.ApiProxy.makeSyncCall (ApiProxy.java:67)
at com.google.appengine.api.socket.SocketApiHelper.apiProxyMakeSyncCall (SocketApiHelper.java:93)
at com.google.appengine.api.socket.SocketApiHelper.makeSyncCall (SocketApiHelper.java:58)
at com.google.appengine.api.socket.AppEngineSocketImpl.createSocket (AppEngineSocketImpl.java:497)
at com.google.appengine.api.socket.AppEngineSocketImpl.connectToAddress (AppEngineSocketImpl.java:362)
at com.google.appengine.api.socket.AppEngineSocketImpl.connect (AppEngineSocketImpl.java:352)
at java.net.Socket.connect (Socket.java:612)
at java.net.Socket.connect (Socket.java:540)
at com.sun.mail.util.SocketFetcher.createSocket (SocketFetcher.java:321)
at com.sun.mail.util.SocketFetcher.getSocket (SocketFetcher.java:237)
at com.sun.mail.smtp.SMTPTransport.openServer (SMTPTransport.java:1927)
at com.sun.mail.smtp.SMTPTransport.protocolConnect (SMTPTransport.java:654)
at javax.mail.Service.connect (Service.java:295)
at javax.mail.Service.connect (Service.java:176)
at javax.mail.Service.connect (Service.java:125)
at javax.mail.Transport.send0 (Transport.java:194)
at javax.mail.Transport.send (Transport.java:124)
at ru.usyservice.model.mail.PopupMail.sendMail (PopupMail.java:88)
可能是什么原因?
我的方法:
private void sendMail(String mail) {
Properties props = new Properties();
Session session = Session.getDefaultInstance(props, null);
try {
Message msg = new MimeMessage(session);
msg.setFrom(new InternetAddress("[email protected]", "Mr.x"));
msg.addRecipient(Message.RecipientType.TO,
new InternetAddress("[email protected]", "Mr.y"));
msg.setSubject("Test mail");
msg.setContent(mail, "text/html; charset=\"UTF-8\"");
Transport.send(msg);
} catch (AddressException e) {
e.printStackTrace();
} catch (MessagingException e) {
e.printStackTrace();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
}
大约一年前,我在Google App Engine上遇到了类似但不相同的问题。解决方法是我需要创建一个单独的队列/线程,以便在发送失败时重试邮件。 Google App Engine有一个为您提供此功能的服务,它们提供示例代码;这不是你可以自己编码的东西,因为多线程代码并不真正支持。 另外我还记得我需要遵循一些步骤来设置邮件发送并提高我的帐户被允许发送的最大数量。 – mba12
非常感谢您的帮助! 但是,我在pom.xml中发现了一个错误 –