srcClient = new GridFTPClient(contactInfo.hostName, contactInfo.port);
srcClient.setAuthorization(new HostAuthorization(GridFtp.HOST));
srcClient.authenticate(gssCred);
srcClient.setDataChannelAuthentication(DataChannelAuthentication.SELF);
srcClient.setType(Session.TYPE_ASCII);
srcClient.changeDir(dirURI.getPath());
makelistDirExternalConfigurations(srcClient, srcClient.getCurrentDir());
Vector<Object> fileInfo = null;
try {
fileInfo = srcClient.mlsd();