[J-ftp-devel] problem with J-ftp

[Srinivas V. <va...@so...>]

HI all,

   I am evaluating J-ftp for different OS environments to use it in my
program.
   it works fine  with FTP servers on windows, solaris, HP unix. 
   But i have some problem when i connect to FTP server on IBM OS 390.
   problem is like this :
   With J-ftp on windows , i am connecting to a FTP server present on IBM OS
390.
   i am getting problem in connecting to it. stack trace is pasted below.
   could you pls tell me how i can fix this bug.
   i am very thankful,   if you can respond to your earliest on this .

   stackTrace is as follows :
  > jftp is up and running.
> update remote directory
> flushing log buffer...
> Connecting to gtdev.gtsoftware.com
> 220-FTPD1 IBM FTP CS V1R2 at gtdev.gtsoftware.com, 09:25:34 on 2003-11-19.
> 220 Connection will close if idle for more than 5 minutes.
> Connection established...
> > USER SON02
> 331 Send password please.
> > PASS ****
> 230 SON02 is logged on.  Working directory is "SON02.".
> Logged in...
> > SYST
> 215 MVS is the operating system of this server. FTP Server is running on
z/OS.
> > TYPE I
> 200 Representation type is Image
> > PWD
> 257 "'SON02.'" is working directory.
> update remote directory
> > MODE S
> 200 Data transfer mode is Stream
> > TYPE A
> 200 Representation type is Ascii NonPrint
> > PORT 172,22,11,41,5,2
> 200 Port request OK.
> > LIST -laL
> Got IOException while trying to open a socket!
> Can't connect socket to ServerSocket
java.net.SocketTimeoutException: Accept timed out
        at java.net.PlainSocketImpl.socketAccept(Native Method)
        at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:353)
        at java.net.ServerSocket.implAccept(ServerSocket.java:439)
        at java.net.ServerSocket.accept(ServerSocket.java:410)
        at net.sf.jftp.net.DataConnection.run(DataConnection.java:172)
        at java.lang.Thread.run(Thread.java:536)
> java.lang.NullPointerException
> 550 No data sets found.
> > TYPE I
> 200 Representation type is Image
> flushing log buffer...
> remote connection initialized
> > CWD /'SON02.'
> ui locked.

regards,
SrinivasV

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