id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc
595,AssertionError: Session ID not set,anonymous,cmlenz,"Etc
==== How to Reproduce ====

While doing a POST operation on `/prefs/advanced`, Trac issued an internal error.

''(please provide additional details here)''


Request parameters:
{{{
{'__FORM_TOKEN': u'137a6984965b8b7f130fc289',
 'action': u'save',
 'loadsid': u'',
 'newsid': u'e9dc57d7678dc4da9de6f707',
 'panel_id': u'advanced',
 'restore': u'Load'}
}}}


User Agent was: `Opera/9.80 (J2ME/MIDP; Opera Mini/4.5.35223/35.4530; U; en) Presto/2.8.119 Version/11.10`

==== System Information ====

|| '''Trac''' || `0.11.8dev-r10236` ||
|| '''Python''' || `2.7.3 (default, Mar 13 2014, 11:26:58) ` [[br]] `[GCC 4.7.2]` ||
|| '''setuptools''' || `0.6` ||
|| '''psycopg2''' || `2.4.5` ||
|| '''Genshi''' || `0.6.1` ||
|| '''mod_wsgi''' || `3.3 (WSGIProcessGroup genshi WSGIApplicationGroup %{GLOBAL})` ||
|| '''Pygments''' || `1.5` ||
|| '''Subversion''' || `1.6.17 (r1128011)` ||
|| '''Docutils''' || `0.8.1` ||
|| '''jQuery:''' || `1.2.6` ||

==== Python Traceback ====
{{{
Traceback (most recent call last):
  File ""/usr/local/virtualenv/0.11-stable/lib/python2.7/site-packages/Trac-0.11.8dev_r10236-py2.7.egg/trac/web/main.py"", line 450, in _dispatch_request
    dispatcher.dispatch(req)
  File ""/usr/local/virtualenv/0.11-stable/lib/python2.7/site-packages/Trac-0.11.8dev_r10236-py2.7.egg/trac/web/main.py"", line 206, in dispatch
    resp = chosen_handler.process_request(req)
  File ""/usr/local/virtualenv/0.11-stable/lib/python2.7/site-packages/Trac-0.11.8dev_r10236-py2.7.egg/trac/prefs/web_ui.py"", line 73, in process_request
    template, data = chosen_provider.render_preference_panel(req, panel_id)
  File ""/usr/local/virtualenv/0.11-stable/lib/python2.7/site-packages/Trac-0.11.8dev_r10236-py2.7.egg/trac/prefs/web_ui.py"", line 91, in render_preference_panel
    self._do_load(req)
  File ""/usr/local/virtualenv/0.11-stable/lib/python2.7/site-packages/Trac-0.11.8dev_r10236-py2.7.egg/trac/prefs/web_ui.py"", line 133, in _do_load
    req.session.get_session(oldsid)
  File ""/usr/local/virtualenv/0.11-stable/lib/python2.7/site-packages/Trac-0.11.8dev_r10236-py2.7.egg/trac/web/session.py"", line 184, in get_session
    self.bake_cookie()
  File ""/usr/local/virtualenv/0.11-stable/lib/python2.7/site-packages/Trac-0.11.8dev_r10236-py2.7.egg/trac/web/session.py"", line 165, in bake_cookie
    assert self.sid, 'Session ID not set'
AssertionError: Session ID not set

}}}
    ",defect,closed,major,,General,0.6,invalid,,