Hi,
I encountered a problem retrieving mail from James. I have pasted inline
some sample code to help reproduce the problem. I am also pasting inline
the logs from netfile.log in the James/logs directory. It is quite
likely that this problem may have already been fixed.
Here is the problem. I think James (1.2) is unable to deal with deletion
of mail messages over successive sessions. Logs in netfile.log indicate
that there is a problem with a file not being found
(FileNotFoundException). To reproduce the problem, try repeatedly
running the following program against a James server. The first argument
is the mailhost, the second is the user name and the third is a
password.
// Begin program
============
import javax.mail.*;
import javax.mail.internet.*;
import java.util.*;
public class JamesTest {
private String mailHost;
private String user;
private String password;
private Properties prop = new Properties();
private static final String body = "Test message number: ";
private int iter;
public JamesTest(String host, String user, String password) {
this.mailHost = host;
this.user = user;
this.password = password;
iter = 0;
prop.put("java.smtp.host", mailHost);
}
void sendMail() {
try {
Session session = Session.getDefaultInstance(prop, null);
// Transport transport = session.getTransport("smtp");
MimeMessage msg = new MimeMessage(session);
msg.setFrom(new InternetAddress("prasanna@localhost"));
msg.addRecipient(Message.RecipientType.TO, new
InternetAddress("prasanna@localhost"));
msg.setContent(body + ++iter, "text/plain");
Transport.send(msg);
// transport.close();
System.out.println("Sent message : " + msg.getContent() +
" from: " + msg.getFrom()[0] + " To: " +
msg.getAllRecipients()[0]);
} catch (Throwable e) {
e.printStackTrace();
System.exit(0);
}
}
void receiveMail(boolean delete) {
try {
Session session = Session.getDefaultInstance(prop, null);
Store store = session.getStore("pop3");
store.connect(mailHost, user, password);
Folder folder = store.getFolder("INBOX");
if(folder == null || !folder.exists()) {
System.out.println("This folder does not exist.");
return;
}
folder.open(Folder.READ_WRITE);
Message[] msgs = folder.getMessages();
System.out.println("Received " + msgs.length + " messages for " +
user);
Message msg = msgs[0];
System.out.println("From: " + msg.getFrom()[0].toString());
System.out.println("To: " +
msg.getRecipients(Message.RecipientType.TO)[0]);
System.out.println("-------------------");
System.out.println(msg.getContent().toString());
if(delete) {
msg.setFlag(Flags.Flag.DELETED, true);
System.out.println("Deleted.");
}
folder.close(true);
store.close();
} catch (MessagingException e) {
e.printStackTrace();
} catch (Throwable e) {
e.printStackTrace();
}
}
public static void main(String[] args) throws Throwable {
JamesTest jt = new JamesTest(args[0], args[1], args[2]);
jt.sendMail();
jt.sendMail();
jt.receiveMail(true);
jt.receiveMail(true);
}
}
// End Program
============
This will result in the following exceptions being thrown in the
netfile.log.
// Begin log
=========
2000.11.28 01:39:31 838 (INFO) from POP3: Connection from 127.0.0.1
(127.0.0.1)
2000.11.28 01:39:31 848 (INFO) from POP3: Command recieved: USER
prasanna
2000.11.28 01:39:31 848 (INFO) from POP3: Command recieved: PASS
Nsi/a3uzgEuP2
2000.11.28 01:39:31 889 (ERROR) from POP3: Exception during connection
from 127.0.0.1 (127.0.0.1) : Exception caught while retrieving an
object: java.io.FileNotFoundException:
../var/mail/localinbox/prasanna\4D61696C3937353433363633363837342D35.private.PersistentStore
(The system cannot find the file specified)
2000.11.28 01:39:31 899 (INFO) from POP3: Connection from 127.0.0.1
(127.0.0.1)
2000.11.28 01:39:31 899 (INFO) from POP3: Command recieved: USER
prasanna
2000.11.28 01:39:31 899 (INFO) from POP3: Command recieved: PASS
Nsi/a3uzgEuP2
2000.11.28 01:39:31 919 (ERROR) from POP3: Exception during connection
from 127.0.0.1 (127.0.0.1) : Exception caught while retrieving an
object: java.io.FileNotFoundException:
../var/mail/localinbox/prasanna\4D61696C3937353433363633363837342D35.private.PersistentStore
(The system cannot find the file specified)
// End log
=======
I am running James on a Windows 2000 professional machine.
I would really appreciate any pointers to fix this problem.
Thanks,
Prasanna.
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