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4.6

File does not transfer from UNIX to Windows using Apache Commons Net 2.0 FTPClient

Asked by infotechCDI in Java Programming Language, HP-UX Unix, File Transfer Protocol (FTP)

Tags: Java, Commons Net 2.0

I am working on creating a program which is meant to run on our HP-UX system. The purpose of having it run on UNIX is to help with automating our process. There is an app that runs on UNIX which generates a file, and I created a program which takes this file, converts to XML, and ftp's it to our Windows FTP Server (where it is picked up by a vendor).

The problem I am running into is that even though my logs show 'file transfer successful', the file is never uploaded to the FTP server. Code below is from a test program I created just to work on the file transfer specifically. I've tried both the storeFile & remoteStore method. When I use storeFile, it actually uploads an empty file named 123.txt. When I use remoteStore nothing happens, but it does claim the file was transferred successfully.

I'm sure it's something simple like a configuration but I've tried several different things so far - setting transfer type to Binary, using FTPClientConfig to specify a UNIX system, etc. - with no luck. Any help is appreciated.

Thanks in advance.

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             import java.io.IOException;
import org.apache.commons.net.ftp.*;
import java.io.File;
 
public class TestFtp {
	private static FTPClient ftp;	
 
	public static void main(String[] args) {
		try	{
		  ftp = new FTPClient();
		  ftp.connect("ftp.mydomain.com");
		    
		  int reply = ftp.getReplyCode();
		  if(!FTPReply.isPositiveCompletion(reply)) {
		    ftp.disconnect();
		    System.out.println("FTP server refused connection.");
		    System.exit(1);
		  } else {
		    if (!ftp.login("denisem", "password")){
	            ftp.logout();
	            throw new FTPConnectionClosedException();
	          }
		  System.out.println("Successfully logged into CDI ftp.");
		  ftp.enterRemotePassiveMode();
		  
		  File file = new File("/home/denisem/123.txt");
		  if (file.exists()){
                    //FileInputStream fis = new FileInputStream("/home/denisem/123.txt");
		    //ftp.storeFile("123.txt", fis);
		    //fis.close();
		    ftp.remoteStore("/home/denisem/123.txt");
		    System.out.println("File successfully transferred");
		 } else
		    System.out.println("Cannot find the file on the local system");
               }
	       ftp.logout();
	       }catch(FTPConnectionClosedException ex){
		  System.out.println("The connection to the CDI has been closed unexpectedly: " + ex.getMessage());
                  System.exit(1);
		}catch(IOException ex){
		   System.out.println("A problem occured during file transfer with CDI ftp: " + ex.getMessage());
                   System.exit(1);
 	       } finally {
                   if(ftp.isConnected()) {
	           try {
	             ftp.disconnect();
	           } catch(IOException ioe) {} 
	      }
 	    }		
   }
}

           
         

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File does not transfer from UNIX to Windows using Apache Commons Net 2.0 FTPClient

Asked by infotechCDI in Java Programming Language, HP-UX Unix, File Transfer Protocol (FTP)

Tags: Java, Commons Net 2.0

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