the object containing the configuration data Throws: FTPHTTPClientEstablishes a data connection with the FTP server, returning a Socket for the DefaultFTPFileEntryParserFImplementation extracts a key from the supplied FTPClientConfig parameter and ParserInitializationExceptiondeclaration: package: org.apache.commons.net.ftp.parser, 来自commons.apache.org的其他内容CopyStreamException更多内容请查看https://commons.apache.org/proper/commons-net/apidocs/org/apache/commons/net/ftp/FTPClient.html