AttributeError: Cannot find an implementation of the "ITicketGroupStatsProvider" interface named "DefaultTicketGroupStatsProvide". Please update the option milestone.stats_provider in trac.ini.

[talsop]

How to Reproduce

While doing a GET operation on /milestone/CSTBss, Trac issued an internal error.

I have upgraded to latest Trac code from trunk and when I click on roadmap tab, then select one of the milestones to display information about the milestone I get this error.

Request parameters:

{'id': u'CSTBss'}

System Information

Trac	0.11dev-r6363
Python	2.3.5 (#1, Jun 26 2006, 16:39:05) [GCC 3.2.3 20030502 (Red Hat Linux 3.2.3-49)]
setuptools	0.6b3
SQLite	3.1.5
pysqlite	1.1.7
Genshi	0.4.1
Subversion	1.3.2 (r19776)

Python Traceback

Traceback (most recent call last):
  File "/usr/lib/python2.3/site-packages/Trac-0.11dev_r6363-py2.3.egg/trac/web/main.py", line 398, in _dispatch_request
    dispatcher.dispatch(req)
  File "/usr/lib/python2.3/site-packages/Trac-0.11dev_r6363-py2.3.egg/trac/web/main.py", line 195, in dispatch
    resp = chosen_handler.process_request(req)
  File "/usr/lib/python2.3/site-packages/Trac-0.11dev_r6363-py2.3.egg/trac/ticket/roadmap.py", line 571, in process_request
    return self._render_view(req, db, milestone)
  File "/usr/lib/python2.3/site-packages/Trac-0.11dev_r6363-py2.3.egg/trac/ticket/roadmap.py", line 707, in _render_view
    stat = get_ticket_stats(self.stats_provider, tickets)
  File "/usr/lib/python2.3/site-packages/Trac-0.11dev_r6363-py2.3.egg/trac/config.py", line 462, in __get__
    raise AttributeError('Cannot find an implementation of the "%s" '
AttributeError: Cannot find an implementation of the "ITicketGroupStatsProvider" interface named "DefaultTicketGroupStatsProvide".  Please update the option milestone.stats_provider in trac.ini.

[hyuga <hyugaricdeau@…>]

Works fine for me in trunk. Check your trac.ini file and make sure that the stats_provider option is correct (or just remove it, since DefaultTicketGroupStatsProvider is, well, the default.

[anonymous]

Looks like that was the problem. Somehow my trac.ini had wrong entry. See below:

stats_provider = DefaultTicketGroupStatsProvide

As you can see there is an 'r' missing from the end of the name.

Thankyou for your help. I will close this ticket.

[Christian Boos]

(clearing report:35)