bzr crashed with error_proto in getresp() on ftp

[Nathan Osman]

Bazaar simply crashed when running:

bzr break-lock ftp://ftp.example.com

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 926, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 1126, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 691, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 713, in run
    return self._operation.run_simple(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 135, in run_simple
    self.cleanups, self.func, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 165, in _do_with_cleanups
    result = func(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/builtins.py", line 4959, in run
    control.break_lock()
  File "/usr/lib/python2.7/dist-packages/bzrlib/bzrdir.py", line 131, in break_lock
    thing_to_unlock.break_lock()
  File "/usr/lib/python2.7/dist-packages/bzrlib/branch.py", line 128, in break_lock
    self.control_files.break_lock()
  File "/usr/lib/python2.7/dist-packages/bzrlib/lockable_files.py", line 123, in break_lock
    self._lock.break_lock()
  File "/usr/lib/python2.7/dist-packages/bzrlib/lockdir.py", line 355, in break_lock
    holder_info = self.peek()
  File "/usr/lib/python2.7/dist-packages/bzrlib/lockdir.py", line 483, in peek
    info = self._read_info_file(self._held_info_path)
  File "/usr/lib/python2.7/dist-packages/bzrlib/lockdir.py", line 473, in _read_info_file
    return self._parse_info(self.transport.get_bytes(path))
  File "/usr/lib/python2.7/dist-packages/bzrlib/transport/__init__.py", line 610, in get_bytes
    f = self.get(relpath)
  File "/usr/lib/python2.7/dist-packages/bzrlib/transport/ftp/__init__.py", line 267, in get
    f.retrbinary('RETR '+self._remote_path(relpath), ret.write, 8192)
  File "/usr/lib/python2.7/ftplib.py", line 399, in retrbinary
    conn = self.transfercmd(cmd, rest)
  File "/usr/lib/python2.7/ftplib.py", line 361, in transfercmd
    return self.ntransfercmd(cmd, rest)[0]
  File "/usr/lib/python2.7/ftplib.py", line 330, in ntransfercmd
    resp = self.sendcmd(cmd)
  File "/usr/lib/python2.7/ftplib.py", line 244, in sendcmd
    return self.getresp()
  File "/usr/lib/python2.7/ftplib.py", line 220, in getresp
    raise error_proto, resp
error_proto

[Martin Pool (mbp)]

This indicates an ftp protocol error. I would guess the immediate cause is you need to give it an actual path, not just the hostname, in the URL. We should at least report this better.

[dino99 (9d9)]

This version has expired long time ago, and is no more supported