Traceback (innermost last):
  Module ZPublisher.Publish, line 115, in publish
  Module ZPublisher.mapply, line 88, in mapply
  Module ZPublisher.Publish, line 41, in call_object
  Module opencore.browser.octopus, line 73, in __call__
  Module opencore.browser.octopus, line 136, in __delegate
  Module opencore.browser.octopus, line 172, in __call__
  Module opencore.browser.formhandler, line 31, in new_method
  Module opencore.account.join, line 39, in _create_member
  Module opencore.member.factory, line 55, in validate
  Module Products.Archetypes.BaseObject, line 518, in validate
  Module Products.Archetypes.Schema, line 584, in validate
  Module Products.Archetypes.Field, line 313, in validate
  Module Products.Archetypes.BaseObject, line 493, in validate_field
  Module opencore.content.member, line 338, in validate_id
  Module opencore.content.member, line 309, in _id_exists_remotely
  Module opencore.utility.http, line 21, in request
  Module httplib2, line 1050, in request
  Module httplib2, line 854, in _request
  Module httplib2, line 823, in _conn_request
  Module httplib, line 804, in request
  Module httplib, line 827, in _send_request
  Module httplib, line 798, in endheaders
  Module httplib, line 679, in _send_output
  Module httplib, line 646, in send
  Module httplib2, line 715, in connect