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bug#2410: 23.0.90; tramp: spurious ftp-error


From: Michael Albinus
Subject: bug#2410: 23.0.90; tramp: spurious ftp-error
Date: Sun, 22 Feb 2009 11:29:03 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.90 (gnu/linux)

Stephen Berman <address@hidden> writes:

> On Sat, 21 Feb 2009 10:02:23 -0500 Chong Yidong <address@hidden> wrote:
>
>>> When I use Tramp to do an ftp transfer from Dired, I get error messages
>>> like this:
>>>
>>> Copy `/local/path/of/source/file' to
>>> `/ftp:address@hidden:/remote/path/of/destination/file' failed:
>>> (ftp-error FTP Error: DIR failed: usage: ls [remote-path [local-file]])
>>>
>>> However, the file transer was in fact successful.  This started
>>> happening some time within the last two or three weeks, I believe,
>>> though I cannot date it precisely.
>>
>> I can't reproduce this easily, since I don't have access to an FTP
>> server for testing.  Could you try bisecting prior revisions to find
>> when this bug first appeared?
>>
>> Thanks.
>
> I fear I won't have time to do this very soon, but if I find the time,
> I'll report back with the results.

Maybe you could show us a backtrace in case of error as well as the
ange-ftp buffer?

The last changes to ange-ftp are trivial ones, which don't look
suspicious:

RCS file: /sources/emacs/emacs/lisp/net/ange-ftp.el,v
Working file: ange-ftp.el
head: 1.102
branch:
locks: strict
access list:
keyword substitution: kv
total revisions: 195;   selected revisions: 195
description:
----------------------------
revision 1.102
date: 2009-01-05 04:22:43 +0100;  author: gm;  state: Exp;  lines: +1 -1;  
commitid: qZ3e2OYSprEA3dxt;
Add 2009 to copyright years.
----------------------------
revision 1.101
date: 2008-11-16 06:50:26 +0100;  author: lektu;  state: Exp;  lines: +202 
-219;  commitid: kOd4tyyfYMkJwNqt;
* net/ange-ftp.el (ange-ftp-multi-msgs, ange-ftp-good-msgs)
  (ange-ftp-try-passive-mode, ange-ftp-data-buffer-name)
  (ange-ftp-account-hashtable, ange-ftp-ls-cache-lsargs)
  (ange-ftp-ls-cache-file, ange-ftp-ls-cache-res, ange-ftp-get-user)
  (ange-ftp-ftp-name-component, ange-ftp-kill-ftp-process)
  (ange-ftp-quote-string, ange-ftp-process-handle-line)
  (ange-ftp-start-process, ange-ftp-send-cmd, ange-ftp-add-dumb-unix-host)
  (ange-ftp-before-parse-ls-hook, ange-ftp-after-parse-ls-hook)
  (ange-ftp-ls, ange-ftp-add-dl-dir, ange-ftp-get-file-entry)
  (ange-ftp-set-binary-mode, ange-ftp-set-ascii-mode, ange-ftp-get-pwd)
  (ange-ftp-file-name-as-directory-alist, ange-ftp-reread-dir)
  (ange-ftp-vms-filename-regexp, ange-ftp-bs2000-fix-name-regexp-reverse)
  (ange-ftp-bs2000-fix-name-regexp): Fix typos in docstrings.
  (ange-ftp-name-format, ange-ftp-gateway-fatal-msgs)
  (ange-ftp-xfer-size-msgs, ange-ftp-tmp-name-template)
  (ange-ftp-netrc-filename, ange-ftp-disable-netrc-security-check)
  (ange-ftp-default-user, ange-ftp-default-password)
  (ange-ftp-default-account, ange-ftp-netrc-default-password)
  (ange-ftp-netrc-default-account, ange-ftp-dumb-unix-host-regexp)
  (ange-ftp-binary-file-name-regexp, ange-ftp-gateway-host)
  (ange-ftp-gateway-prompt-pattern, ange-ftp-smart-gateway-port)
  (ange-ftp-send-hash, ange-ftp-binary-hash-mark-size)
  (ange-ftp-ascii-hash-mark-size, ange-ftp-process-verbose)
  (ange-ftp-ftp-program-name, ange-ftp-gateway-ftp-program-name)
  (ange-ftp-ftp-program-args, ange-ftp-nslookup-program)
  (ange-ftp-make-backup-files, ange-ftp-retry-time)
  (ange-ftp-bs2000-special-prefix): Remove * from defcustom docstrings.
  (ange-ftp-skip-msgs, ange-ftp-potential-error-msgs)
  (ange-ftp-gateway-tmp-name-template)
  (ange-ftp-generate-anonymous-password, ange-ftp-local-host-regexp)
  (ange-ftp-gateway-program-interactive, ange-ftp-smart-gateway)
  (ange-ftp-raw-login): Remove * from defcustom docstrings; fix typos.
  (ange-ftp-fatal-msgs): Remove * from defcustom docstring; doc fix.
  (ange-ftp-gateway-program): Remove * from docstring and reflow.
  (ange-ftp-hash-entry-exists-p, ange-ftp-hash-table-keys)
  (ange-ftp-raw-send-cmd, ange-ftp-get-files, ange-ftp-canonize-filename)
  (ange-ftp-file-name-as-directory, ange-ftp-directory-file-name):
  (ange-ftp-copy-files-async, ange-ftp-rename-remote-to-remote):
  (ange-ftp-rename-local-to-remote): Doc fixes.
  (ange-ftp-set-xfer-size, ange-ftp-call-cont, ange-ftp-process-filter):
  Use `when', `unless'.
  (ange-ftp-set-passwd): Rename arg PASSWD to PASSWORD.
  (ange-ftp-process-handle-hash): Rename arg STR to STRING.
  (ange-ftp-nslookup-host): Rename arg HOST to HOSTNAME.
  (ange-ftp-smart-login): Rename arg PASS to PASSWORD.
  (ange-ftp-normal-login): Rename arg PASS to PASSWORD.  Fix typo.
  (ange-ftp-process-sentinel): Use `when'.  Fix typo.
  (ange-ftp-gwp-start): Use `let', not `let*'; use `when'.  Fix typo.
  (ange-ftp-fix-name-func-alist, ange-ftp-fix-dir-name-func-alist)
  (ange-ftp-parse-list-func-alist, ange-ftp-add-file-entry-alist)
  (ange-ftp-delete-file-entry-alist): Fix typos and reflow docstring.
  (ange-ftp-dumb-unix-host, ange-ftp-binary-file)
  (ange-ftp-directory-files, ange-ftp-file-modtime, ange-ftp-vms-host)
  (ange-ftp-mts-host, ange-ftp-cms-host, ange-ftp-bs2000-host)
  (ange-ftp-bs2000-posix-host): Use `string-match-p' instead of
  `(save-match-data (string-match ...))'.
  (ange-ftp-use-gateway-p, ange-ftp-use-smart-gateway-p)
  (ange-ftp-file-name-directory, ange-ftp-file-name-nondirectory):
  Use `string-match-p' instead of `(save-match-data (string-match ...))'.
  Doc fixes.
----------------------------
revision 1.100
date: 2008-09-29 07:41:56 +0200;  author: albinus;  state: Exp;  lines: +3 -1;  
commitid: NynrHl6ahJBL1Dkt;
* net/ange-ftp.el (ange-ftp-file-remote-p): Handle `localname' as
identification.

> Steve Berman

Best regards, Michael.






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