On Tuesday, December 30, 2014 2:29:11 AM UTC-8, Roger Oberholtzer wrote:
>
> I updated some stuff on the openSUSE 12.3 server running Trac and I
> now get this when accessing the site:
>
> Configuration Error
>
> Cannot find implementation(s) of the IPermissionPolicy interface named
> InternalTicketsPolicy. Please check that the Component is enabled or
> update the option [trac] permission_policies in trac.ini.
>
> The trac.log file says:
>
> 2014-12-30 11:20:06,970 Trac[chrome] WARNING: Error with navigation
> contributor HudsonTracPlugin
> 2014-12-30 11:20:06,970 Trac[chrome] WARNING: Error with navigation
> contributor DownloadsDownloads
> 2014-12-30 11:20:07,437 Trac[chrome] WARNING: Error with navigation
> contributor RPCWeb
> 2014-12-30 11:20:07,437 Trac[chrome] WARNING: Error with navigation
> contributor QueryModule
> 2014-12-30 11:20:07,437 Trac[chrome] WARNING: Error with navigation
> contributor TicketModule
> 2014-12-30 11:20:07,437 Trac[chrome] WARNING: Error with navigation
> contributor SearchModule
> 2014-12-30 11:20:07,438 Trac[chrome] WARNING: Error with navigation
> contributor WikiModule
> 2014-12-30 11:20:07,438 Trac[chrome] WARNING: Error with navigation
> contributor RoadmapModule
> 2014-12-30 11:20:07,438 Trac[chrome] WARNING: Error with navigation
> contributor ReleasesModule
> 2014-12-30 11:20:07,439 Trac[chrome] WARNING: Error with navigation
> contributor AdminModule
> 2014-12-30 11:20:07,439 Trac[chrome] WARNING: Error with navigation
> contributor ReportModule
> 2014-12-30 11:20:07,439 Trac[chrome] WARNING: Error with navigation
> contributor TimelineModule
> 2014-12-30 11:20:07,500 Trac[chrome] WARNING: Error with navigation
> contributor BrowserModule
> 2014-12-30 11:20:07,501 Trac[chrome] WARNING: Error with navigation
> contributor FullBlogModule
> 2014-12-30 11:20:07,502 Trac[main] ERROR: Exception caught while
> post-processing request:
> Traceback (most recent call last):
> File "/usr/lib/python2.7/site-packages/trac/web/main.py", line 250,
> in dispatch
> self._post_process_request(req)
> File "/usr/lib/python2.7/site-packages/trac/web/main.py", line 348,
> in _post_process_request
> f.post_process_request(req, *(None,)*extra_arg_count)
> File
> "/usr/lib/python2.7/site-packages/TracWatchlistPlugin-1.0.1-py2.7.egg/tracwatchlist/plugin.py",
>
>
> line 674, in post_process_request
> self.realm_handler[realm].has_perm(realm, req.perm):
> File
> "/usr/lib/python2.7/site-packages/TracWatchlistPlugin-1.0.1-py2.7.egg/tracwatchlist/api.py",
>
>
> line 154, in has_perm
> return realm.upper() + '_VIEW' in perm
> File "/usr/lib/python2.7/site-packages/trac/perm.py", line 554, in
> has_permission
> return self._has_permission(action, resource)
> File "/usr/lib/python2.7/site-packages/trac/perm.py", line 568, in
> _has_permission
> check_permission(action, perm.username, resource, perm)
> File "/usr/lib/python2.7/site-packages/trac/perm.py", line 458, in
> check_permission
> for policy in self.policies:
> File "/usr/lib/python2.7/site-packages/trac/config.py", line 779, in
> __get__
> option=tag.tt("[%s] %s" % (self.section, self.name))))
> ConfigurationError: Cannot find implementation(s) of the
> <tt>IPermissionPolicy</tt> interface named
> <tt>InternalTicketsPolicy</tt>. Please check that the Component is
> enabled or update the option <tt>[trac] permission_policies</tt> in
> trac.ini.
> 2014-12-30 11:20:07,502 Trac[main] WARNING: [10.209.160.46]
> HTTPInternalError: 500 Configuration Error (Cannot find
> implementation(s) of the <tt>IPermissionPolicy</tt> interface named
> <tt>InternalTicketsPolicy</tt>. Please check that the Component is
> enabled or update the option <tt>[trac] permission_policies</tt> in
> trac.ini.)
>
>
>
> There was no change to trac.ini. So I think the problem is elsewhere.
> I see that Babel was updated to 1.3 and Trac to 1.0.2.
>
Since Trac 1.0.2 any permission policies defined in the [trac]
permission_policies section must have been loaded. This was done so that
Trac will "fail closed". If a permission policy fails to load it could
result in a security issue.
You appear to have a policy named InternalTicketPolicy that is not active.
This could be due to a plugin that you've removed without removing the
policy from permission_policies, or the plugin could be failing to load.
Note the hint that is provided in the error message:
Cannot find implementation(s) of the IPermissionPolicy interface named
InternalTicketsPolicy. Please check that the Component is enabled or
update the option [trac] permission_policies in trac.ini.
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