[jira] [Resolved] (NET-498) Retrieving files from AS400 FTP systems returns null timestamps in FTPFile.getTimestamp

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[jira] [Resolved] (NET-498) Retrieving files from AS400 FTP systems returns null timestamps in FTPFile.getTimestamp

ASF GitHub Bot (Jira)

     [ https://issues.apache.org/jira/browse/NET-498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sebb resolved NET-498.
----------------------

    Resolution: Incomplete
   

> 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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