3
當打電話下面我的代碼snipit:錯誤萎靡不振的電子郵件消息的Java
Message message_in = null;
inbox instanceof IMAPFolder
IMAPFolder f = (IMAPFolder)inbox;
f.idle();
System.out.println("IDLE done");
message_in = inbox.getMessage(inbox.getMessageCount());
message_in.setFlag(Flags.Flag.DELETED, true);
inbox.expunge();
我收到錯誤消息:
javax.mail.MessagingException: A9 NO Command received in Invalid state.;
nested exception is:
com.sun.mail.iap.CommandFailedException: A9 NO Command received in Invalid state.
at com.sun.mail.imap.IMAPMessage.setFlags(IMAPMessage.java:905)
at javax.mail.Message.setFlag(Message.java:578)
at com.name.vmmonitor.main.VMMonitor.startPolling(VMMonitor.java:160)
at com.name.vmmonitor.main.VMMonitor.main(VMMonitor.java:283)
Caused by: com.sun.mail.iap.CommandFailedException: A9 NO Command received in Invalid state.
at com.sun.mail.iap.Protocol.handleResult(Protocol.java:351)
at com.sun.mail.imap.protocol.IMAPProtocol.storeFlags(IMAPProtocol.java:1589)
at com.sun.mail.imap.protocol.IMAPProtocol.storeFlags(IMAPProtocol.java:1574)
at com.sun.mail.imap.IMAPMessage.setFlags(IMAPMessage.java:901)
... 3 more
問題是什麼?我可以調用message_in.getSubject()
等方法,但爲什麼不能使用message_in.setFlag()
?
是否需要解決_server端(即我所連接的郵件服務器)或_client端(即我的程序中的設置)問題? – rudolph9
它可能是。這可能是您獲取IMAPFolder的方式或服務器設置的方式。 –