[Bug 365874] Re: curl error: necessary data rewind wasn't possible

[Lluís Vilanova]

I tried these two commands in the recent bazaar 2.5.0, resulting in the
attached failure log:

bzr co https://code.server/bzr/project
bzr co https://user@code.server/bzr/project

As others said, using "https+urllib" works around the problem, but it is
still a hassle to have it failing by default.

** Attachment added: "log"
   https://bugs.launchpad.net/bzr/+bug/365874/+attachment/2788658/+files/log

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https://bugs.launchpad.net/bugs/365874

Title:
  curl error: necessary data rewind wasn't possible

Status in Bazaar Version Control System:
  Confirmed
Status in “bzr” package in Ubuntu:
  Triaged

Bug description:
  I've been using bzr 1.13 and bzr-svn 0.5.3 with Fedora 8 and pushing
  and pulling to/from a SourceForge project svn repo.  I recently
  updated to Fedora 10, and I now receive this error on `bzr up`:

  [t_mattjo at Phaethon fheroes2-trunk]$ bzr switch https://revvy@fheroes2.svn.sourceforge.net/svnroot/fheroes2/trunk/fheroes2
  bzr: ERROR: pycurl.error: (65, "necessary data rewind wasn't possible")                                          

  Traceback (most recent call last):
    File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 716, in exception_to_return_code
      return the_callable(*args, **kwargs)
    File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 911, in run_bzr
      ret = run(*run_argv)
    File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 547, in run_argv_aliases
      return self.run(**all_cmd_args)
    File "/usr/lib/python2.5/site-packages/bzrlib/builtins.py", line 5170, in run
      to_branch = Branch.open(to_location)
    File "/usr/lib/python2.5/site-packages/bzrlib/branch.py", line 123, in open
      possible_transports=possible_transports)
    File "/usr/lib/python2.5/site-packages/bzrlib/bzrdir.py", line 799, in open
      return BzrDir.open_from_transport(t, _unsupported=_unsupported)
    File "/usr/lib/python2.5/site-packages/bzrlib/bzrdir.py", line 827, in open_from_transport
      redirected)
    File "/usr/lib/python2.5/site-packages/bzrlib/transport/__init__.py", line 1680, in do_catching_redirections
      return action(transport)
    File "/usr/lib/python2.5/site-packages/bzrlib/bzrdir.py", line 814, in find_format
      transport, _server_formats=_server_formats)
    File "/usr/lib/python2.5/site-packages/bzrlib/bzrdir.py", line 1667, in find_format
      return format.probe_transport(transport)
    File "/usr/lib/python2.5/site-packages/bzrlib/bzrdir.py", line 2779, in probe_transport
      server_version = medium.protocol_version()
    File "/usr/lib/python2.5/site-packages/bzrlib/smart/medium.py", line 611, in protocol_version
      client_protocol.query_version()
    File "/usr/lib/python2.5/site-packages/bzrlib/smart/protocol.py", line 777, in query_version
      self.call('hello')
    File "/usr/lib/python2.5/site-packages/bzrlib/smart/protocol.py", line 617, in call
      self._request.finished_writing()
    File "/usr/lib/python2.5/site-packages/bzrlib/smart/medium.py", line 436, in finished_writing
      self._finished_writing()
    File "/usr/lib/python2.5/site-packages/bzrlib/transport/http/__init__.py", line 647, in _finished_writing
      data = self._medium.send_http_smart_request(self._buffer)
    File "/usr/lib/python2.5/site-packages/bzrlib/transport/http/__init__.py", line 616, in send_http_smart_request
      code, body_filelike = t._post(bytes)
    File "/usr/lib/python2.5/site-packages/bzrlib/transport/http/_pycurl.py", line 268, in _post
      self._curl_perform(curl, header, ['Expect: '])
    File "/usr/lib/python2.5/site-packages/bzrlib/transport/http/_pycurl.py", line 356, in _curl_perform
      curl.perform()
  error: (65, "necessary data rewind wasn't possible")

  bzr 1.13.1 on python 2.5.2 (linux2)
  arguments: ['/usr/bin/bzr', 'switch', 'https://revvy@fheroes2.svn.sourceforge.net/svnroot/fheroes2/trunk/fheroes2']
  encoding: 'UTF-8', fsenc: 'UTF-8', lang: 'en_US.UTF-8'
  plugins:
    automv               /home/t_mattjo/.bazaar/plugins/automv [unknown]
    bzrtools             /usr/lib/python2.5/site-packages/bzrlib/plugins/bzrtools [1.13]
    dns_cache            /home/t_mattjo/.bazaar/plugins/dns_cache [unknown]
    extmerge             /home/t_mattjo/.bazaar/plugins/extmerge [unknown]
    lastlog              /home/t_mattjo/.bazaar/plugins/lastlog [unknown]
    launchpad            /usr/lib/python2.5/site-packages/bzrlib/plugins/launchpad [unknown]
    lessdiff             /home/t_mattjo/.bazaar/plugins/lessdiff [unknown]
    lesslog              /home/t_mattjo/.bazaar/plugins/lesslog [unknown]
    netrc_credential_store /usr/lib/python2.5/site-packages/bzrlib/plugins/netrc_credential_store [unknown]
    precommit_bugtraq    /home/t_mattjo/.bazaar/plugins/precommit_bugtraq [unknown]
    search               /home/t_mattjo/.bazaar/plugins/search [1.7dev]
    stats                /home/t_mattjo/.bazaar/plugins/stats [unknown]
    svn                  /home/t_mattjo/.bazaar/plugins/svn [0.5.3]
  *** Bazaar has encountered an internal error.
      Please report a bug at https://bugs.launchpad.net/bzr/+filebug
      including this traceback, and a description of what you
      were doing when the error occurred.

  I've tried using svn+https:// along with http://, but neither makes
  any difference.

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