FTP Socket trouble - need help

I'm not going to pretend that I knew enough about this before I began. My code came from this link:
<url>http://forum.java.sun.com/thread.jsp?forum=31&thread=54731</url>
Anyway, I understand it know, but I can't seem to get through some of my errors. The biggest problem is that if I don't timeout then the program just hangs. For instance, I do a controlOut and have the timeout set at 2000 ms. After 2000 ms the code moves on to the next step, but it throws a Read Timed Out error. If I have the timeout set at 15000 ms then the code waits 15000 ms and then does the same thing. If I set the timeout to 0 (persistant) the code never moves beyond that controlOut statement.
I'm really confused...please help! Thank you!

Hi Auzlin, i had the same problem, the anwer is, the ftp programs change the ftp port for everyone of the files sended, after you receive (or send) each file, that is cause even if you close the connection, is not fully closed,it goes TIME_WAIT or something but the port is still open, thats the reason you cant receive another one, it needs a little while to close and this cant be controled by the program (or just i dont know how) so, the solution (or one of them) its to use a PASV command after each file, and force the server to change port, you can read that port, and send/receive another file using that port =) hope it helps, if not i cant put some code.
-JF-
Sorry for the english =)

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SQL> Declare
2 v_error_msg varchar2(10000);
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Copyright (c) 1982, 2005, Oracle. All rights reserved.
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at_mimetype varchar2(500),
at_attachment blob
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em_incident integer,
em_from varchar2(1000),
em_subject varchar2(1000),
em_body nclob
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import javax.mail.*;
import javax.mail.internet.*;
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import sqlj.runtime.*;
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pop3_pwd in string)
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is language java name
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java.lang.String,
java.lang.String) return String';
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2 v_error_msg varchar2(10000);
3 Begin
4 v_error_msg:=receivemail('pop3.live.com', '<Hotmail email address>@hotmail.com', 'Hotmail password');
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6 End;
7 /
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SQL>
I am requesting, please help me to solve this problem.
I will be very thankful for your kind help and support.
Amol......
Edited by: Amol Karyakarte on 31-May-2012 7:27 AM

Hello,
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You'd better ask it in the database forum.
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