Hi Atsuhiko,
Thanks again for your reply. I've verified every version after 0.1.44 and they
all fail (lock up) after a substantial number of bytes. The bulk requests
setting does not resolve the issue.
Channel c = session.openChannel("sftp");
((ChannelSftp)c).setBulkRequests(1);
c.connect();
So going back to the differences between 0.1.44 and 0.1.49, the block of code
that is causing the failure with ProFTPd is the following section from the
_put(...) method in ChannelSftp:
int foo = count;
while (foo > 0) {
if ((seq - 1) == startid
|| ((seq - startid) - ackcount) >= bulk_requests) {
while (((seq - startid) - ackcount) >= bulk_requests) {
if (this.rwsize >= foo)
break;
if (checkStatus(ackid, header)) {
int _ackid = ackid[0];
if (startid > _ackid || _ackid > seq -
1) {
if (_ackid == seq) {
System.err.println("ack
error: startid="
+ startid
+ " seq="
+ seq
+ " _ackid=" +
_ackid);
}
else {
throw new
SftpException(SSH_FX_FAILURE,
"ack error:
startid=" + startid
+ "
seq=" + seq + " _ackid="
+
_ackid);
}
}
ackcount++;
}
else {
break;
}
}
}
foo -= sendWRITE(handle, offset, data, 0, foo);
}
If I change this block of code back to what it was in 0.1.44 (below), then the
transfers complete successfully.
int _i = count;
while (_i > 0) {
_i -= sendWRITE(handle, offset, data, 0, _i);
if ((seq - 1) == startid || io_in.available() >= 1024) {
while (io_in.available() > 0) {
if (checkStatus(ackid, header)) {
_ackid = ackid[0];
if (startid > _ackid || _ackid > seq -
1) {
if (_ackid == seq) {
System.err.println("ack
error: startid="
+ startid
+ " seq="
+ seq
+ " _ackid=" +
_ackid);
}
else {
throw new
SftpException(SSH_FX_FAILURE,
"ack error:
startid=" + startid
+ "
seq=" + seq + " _ackid="
+
_ackid);
}
}
ackcount++;
}
else {
break;
}
}
}
}
What are your thoughts on reverting this back? And in doing so, what negative
impacts would this present?
Regards,
Erick
-----Original Message-----
From: Atsuhiko Yamanaka [mailto:y...@jcraft.com]
Sent: Thursday, October 10, 2013 1:59 AM
To: Erick Lichtas
Cc: jsch-users@lists.sourceforge.net
Subject: Re: [JSch-users] Issues uploading to ProFTPd with mod_sftp
Hi,
+-From: Erick Lichtas <elich...@linoma.com> --
|_Date: Thu, 3 Oct 2013 21:20:10 +0000 _______
|
|The latest versions of JSCH 0.1.49 and 0.1.50 are having issues
|transferring larger files (I'm testing with ~400MB) to ProFTPD server,
|however, the older version 0.1.44 that I've tested works (and has been
|working just fine for quite some time.
How about version 0.1.47 and 0.1.48?
If 0.1.47 works fine, but 0.1.48 does not, try
((ChannelSftp)c).setBulkRequests(1)
before invoking Channel#connect().
Sincerely,
--
Atsuhiko Yamanaka
JCraft,Inc.
1-14-20 HONCHO AOBA-KU,
SENDAI, MIYAGI 980-0014 Japan.
Tel +81-22-723-2150
Skype callto://jcraft/
Twitter: http://twitter.com/ymnk
Facebook: http://facebook.com/aymnk
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