안녕하세요


혹시 commons-net-3.1.jar를 이용해서 안드로이드 ftp 업/다운로드 구현하신분 계신가요?

단말기에서는 ftp접속 및 업/다운로드가 정상적으로 되나 에뮬레이터에서는 접속이 안돼서요..


10-31 01:51:47.242: W/System.err(379): org.apache.commons.net.ftp.FTPConnectionClosedException: Connection closed without indication.

10-31 01:51:47.242: W/System.err(379): at org.apache.commons.net.ftp.FTP.__getReply(FTP.java:313)

10-31 01:51:47.242: W/System.err(379): at org.apache.commons.net.ftp.FTP.__getReply(FTP.java:290)

10-31 01:51:47.242: W/System.err(379): at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:479)

10-31 01:51:47.242: W/System.err(379): at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:552)

10-31 01:51:47.242: W/System.err(379): at org.apache.commons.net.ftp.FTP.port(FTP.java:877)

10-31 01:51:47.262: W/System.err(379): at org.apache.commons.net.ftp.FTPClient._openDataConnection_(FTPClient.java:709)

10-31 01:51:47.262: W/System.err(379): at org.apache.commons.net.ftp.FTPClient._retrieveFileStream(FTPClient.java:1747)

10-31 01:51:47.262: W/System.err(379): at org.apache.commons.net.ftp.FTPClient.retrieveFileStream(FTPClient.java:1739)

10-31 01:51:47.262: W/System.err(379): at com.sds.bims.obe.common.ftpDownloadFile.download(ftpDownloadFile.java:82)

10-31 01:51:47.272: W/System.err(379): at com.sds.bims.obe.BimsMainActivity$20.run(BimsMainActivity.java:1036)

10-31 01:51:47.272: W/System.err(379): at java.lang.Thread.run(Thread.java:1019)

10-31 01:51:47.283: W/System.err(379): org.apache.commons.net.ftp.FTPConnectionClosedException: Connection closed without indication.

10-31 01:51:47.283: W/System.err(379): at org.apache.commons.net.ftp.FTP.__getReply(FTP.java:313)

10-31 01:51:47.283: W/System.err(379): at org.apache.commons.net.ftp.FTP.__getReply(FTP.java:290)

10-31 01:51:47.312: W/System.err(379): at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:479)

10-31 01:51:47.312: W/System.err(379): at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:552)

10-31 01:51:47.312: W/System.err(379): at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:601)

10-31 01:51:47.312: W/System.err(379): at org.apache.commons.net.ftp.FTP.quit(FTP.java:809)

10-31 01:51:47.312: W/System.err(379): at org.apache.commons.net.ftp.FTPClient.logout(FTPClient.java:979)

10-31 01:51:47.312: W/System.err(379): at com.sds.bims.obe.common.ftpDownloadFile.disconnection(ftpDownloadFile.java:140)


이러한 로그를 가 나오네요
혹시 원인이나 해결방법을 알고 계신분 계신가요??
도움 부탁드리겠습니다.