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Connection closed without indication.
via Stack Overflow by Ricky Wen
, 1 year ago
FTP response 421 received. Server closed connection.
org.apache.commons.net.ftp.FTPConnectionClosedException: Connection closed without indication.	at org.apache.commons.net.ftp.FTP.__getReply(FTP.java:316)	at org.apache.commons.net.ftp.FTP.__getReply(FTP.java:292)	at org.apache.commons.net.ftp.FTP.getReply(FTP.java:712)	at org.apache.commons.net.ftp.FTPClient.completePendingCommand(FTPClient.java:1857)	at org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:3420)	at org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:3335)	at org.apache.commons.net.ftp.FTPClient.listFiles(FTPClient.java:3012)	at TestFTP.execute(TestFTP.java:27)	at TestFTP.main(TestFTP.java:12)