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From "Sebb (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (NET-498) CLONE - Retrieving files from AS400 FTP systems returns null timestamps in FTPFile.getTimestamp
Date Fri, 01 Feb 2013 21:24:12 GMT

    [ https://issues.apache.org/jira/browse/NET-498?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13569101#comment-13569101
] 

Sebb commented on NET-498:
--------------------------

What happens if you try using the NET example app below ?

java -jar commons-net-examples-3.2.jar FTPClientExample -l X.X.X.X <username> <password>
/reports

This should list the commands followed by the directory listing.

Each file is listed twice, once in raw mode and once as a formatted string derived from the
parsed data.

You can also use FTPFile.getRawListing() in your application.
                
> CLONE - Retrieving files from AS400 FTP systems returns null timestamps in FTPFile.getTimestamp
> -----------------------------------------------------------------------------------------------
>
>                 Key: NET-498
>                 URL: https://issues.apache.org/jira/browse/NET-498
>             Project: Commons Net
>          Issue Type: Bug
>          Components: FTP
>    Affects Versions: 3.2
>         Environment: Commons Net 3.2
> FTP System: AS400 systems
> I5/OS Version 5 Release 4 Modification 0
>            Reporter: Marco Slehiman
>            Priority: Minor
>
> We are trying to list files from AS400 systems and retrieve the timestamps from these
files using the following code:
> {code}
> import java.io.FileInputStream;
> import java.io.FileOutputStream;
> import java.io.IOException;
> import java.io.InputStream;
> import java.io.OutputStream;
> import java.io.PrintWriter;
> import java.net.InetAddress;
> import java.net.UnknownHostException;
> import org.apache.commons.net.PrintCommandListener;
> import org.apache.commons.net.ftp.FTP;
> import org.apache.commons.net.ftp.FTPClient;
> import org.apache.commons.net.ftp.FTPHTTPClient;
> import org.apache.commons.net.ftp.FTPClientConfig;
> import org.apache.commons.net.ftp.FTPConnectionClosedException;
> import org.apache.commons.net.ftp.FTPFile;
> import org.apache.commons.net.ftp.FTPReply;
> import org.apache.commons.net.ftp.FTPSClient;
> import org.apache.commons.net.io.CopyStreamEvent;
> import org.apache.commons.net.io.CopyStreamListener;
> import org.apache.commons.net.util.TrustManagerUtils;
> public final class FTPAccess {
> 	private String server;
> 	private String username;
> 	private String password;
> 	private String path ;
> 	public String getPath() {
> 		return path;
> 	}
> 	public void setPath(String path) {
> 		this.path = path;
> 	}
> 	public static void main(String[] args) throws UnknownHostException {
> 		FTPAccess ftpAccess = new FTPAccess();
> 		ftpAccess.setServer("X.X.X.X");
> 		ftpAccess.setUsername("XXXXXX");
> 		ftpAccess.setPassword(XXXXXXX");
> 		ftpAccess.setPath("/reports");
> 		ftpAccess.getFile();
> 	}
> 	public void getFile() throws UnknownHostException {
> 		
> 		FTPClient ftpClient = new FTPClient();
> 		
> 		try {
> 			InetAddress serveIPAddress = InetAddress.getByName(server);
> 			ftpClient.setPassiveLocalIPAddress(serveIPAddress);
> 			ftpClient.connect(serveIPAddress);
> 			System.out.println("Connected to " + server + ".");
> 			int reply = ftpClient.getReplyCode();
> 			if (!FTPReply.isPositiveCompletion(reply)) {
> 				System.err.println("FTP server refused connection.");
> 				System.err.println(ftpClient.getReplyString());
> 				ftpClient.disconnect();
> 			} else {
> 			}
> 			if (!ftpClient.login(username, password)) {
> 				System.out.println(ftpClient.getReplyString());
> 				ftpClient.logout();
> 			} else{
> 				diplayContent(ftpClient, path);
> 			}
> 		} catch (IOException e) {
> 			if (ftpClient.isConnected()) {
> 				try {
> 					ftpClient.disconnect();
> 				} catch (IOException ioException) {
> 					// do nothing
> 				}
> 			}
> 			System.err.println("Could not connect to server.");
> 			// e.printStackTrace();
> 			System.exit(1);
> 		}
> 		// } catch (FTPConnectionClosedException e) {
> 		// error = true;
> 		// System.err.println("Server closed connection.");
> 		// e.printStackTrace();
> 		// } catch (IOException e) {
> 		// error = true;
> 		// e.printStackTrace();
> 		// } finally {
> 		// if (ftp.isConnected()) {
> 		// try {
> 		// ftp.disconnect();
> 		// } catch (IOException f) {
> 		// // do nothing
> 		// }
> 		// }
> 		// }
> 	} // end main
> 	public String getServer() {
> 		return server;
> 	}
> 	public void setServer(String server) {
> 		this.server = server;
> 	}
> 	public String getUsername() {
> 		return username;
> 	}
> 	public void setUsername(String username) {
> 		this.username = username;
> 	}
> 	public String getPassword() {
> 		return password;
> 	}
> 	public void setPassword(String password) {
> 		this.password = password;
> 	}
> 	
> 	public void diplayContent(FTPClient ftpClient, String path) throws IOException {
> 		System.out.println(path);
> 		for (FTPFile ftpFile : ftpClient.listFiles(path)) {
> 			if(ftpFile.isDirectory() ){
> 				diplayContent(ftpClient, path+"/"+ftpFile.getName());
> 			} else{
> 				System.out.println(path+"/"+ftpFile.getName());
> 				System.out.println(ftpFile.getTimestamp());
> 			}
> 		}
> 		
> 	}
> }
> {code}
> The LIST command which is used internally in the FTPClient retrieves the timestamps successfully.
However after parsing the FTPFile has a null value for the timestamp field.
> The null value is returned just when a user place the file in the AS400 usint the NetServer
Servivice. This is used to share foldes between windows network and the AS/400
> Please help us fix this problem. It is not critical to us.

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