Dale Lee created NET-573:
----------------------------
Summary: CLONE - Retrieving files from AS400 FTP systems returns
null timestamps in FTPFile.getTimestamp
Key: NET-573
URL: https://issues.apache.org/jira/browse/NET-573
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: Dale Lee
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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