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Unknown parser type: OS 4690 operating system
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Unknown parser type: UNKNOWN XFB/Gateway
org.apache.commons.net.ftp.parser.ParserInitializationException: Unknown parser type: OS 4690 operating system	at org.apache.commons.net.ftp.parser.DefaultFTPFileEntryParserFactory.createFileEntryParser(DefaultFTPFileEntryParserFactory.java:118)	at org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2358)	at org.apache.commons.net.ftp.FTPClient.listFiles(FTPClient.java:2141)