1
連接到FTP站點時,我有一些Java代碼看起來大致是這樣的:」426寫入網絡流失敗。「在試圖用Java的URL類
String urlString = "ftp://polar.ncep.noaa.gov/pub/history/waves/multi_1.glo_30m.dp.200601.grb2";
URL url = new URL(urlString);
URLConnection conn = url.openConnection();
InputStream is = conn.getInputStream();
當我到最後一行,代碼掛起並無法返回。當我附上Wireshark的,並期待在交談中,它最終是這樣的:
...
EPSV ALL
200 EPSV ALL ok.
EPSV
229 Entering Extended Passive Mode (|||32647|)
EPRT |1|144.212.217.249|58416|
200 EPRT command successful. Consider using EPSV.
RETR multi_1.glo_30m.dp.200601.grb2
150 Opening BINARY mode data connection for multi_1.glo_30m.dp.200601.grb2 (55796622 bytes).
426 Failure writing network stream.
此網址在瀏覽器中正常工作。其他網站使用此Java代碼正常工作。任何想法爲什麼這個組合有麻煩?
看吧http://www.ajaxapp.com/2009/02/21/a-simple-java-ftp-connection-file-download-and-upload / – Balconsky 2012-02-22 21:59:48