Access network drive through JAVA (while windows XP screen locked): JAVA, java.io.FileNotFoundException: \\server\filedir (Access is denied)

Access network drive through JAVA (while windows XP screen locked)

I am trying access a shared network drive through JAVA. If I am logged in to Windows XP, it works fine. I am using Eclipse. When I create jar file and automate the process for the times that my desktop is locked, it gives "Access is denied" exception.

I looked to the knowledge base, but couldn't find my solution.

The error is:

java.io.FileNotFoundException: \\serverName\FileName.csv (Access is denied)

How can I get around this error? Is there a way to login to a network drive as if I am logging in to a JDBC drive?

package utilities;
 
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import javax.mail.MessagingException;
 
public class CopyFile {
 
	protected String myFromFileDirectory;
	protected String myDestinationFileDirectory;
	
	public CopyFile(String fromFileName,String toFileName) throws MessagingException{
		Email em = new Email();
		myFromFileDirectory = fromFileName;
		myDestinationFileDirectory = toFileName;
		 try {
			 File fromFile = new File(fromFileName);
			 File toFile = new File(toFileName);
			 FileInputStream from = null;
			 FileOutputStream to = null;
			 from = new FileInputStream(fromFile);
			 to = new FileOutputStream(toFile);
			 byte[] buffer = new byte[4096];
			 int bytesRead;
			 while ((bytesRead = from.read(buffer)) != -1)
			 to.write(buffer, 0, bytesRead); // write	  	
		  } catch (IOException e) {
		    System.err.println(e.getMessage());
		    em.postExceptionToMe("myEmail@hotmail.com", "File Transfer Exception","myEmail@hotmail.com", e);
		  }
		 }
	public static void main(String[] args) {
		String from="D:\\FileName.csv";
		String to="\\\\serverName\\FileName.csv";
		try {
			new CopyFile(from,to);
		} catch (MessagingException e) {
	           e.printStackTrace();
		}
	}
	}

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Access network drive through JAVA (while windows XP screen locked)

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java.io.FileNotFoundException: \\server\filedir (Access is denied)

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