AttributeError: Cannot find an implementation of the "IPermissionStore" interface named "UserExtensiblePermissionStore". Please update the option trac.permission_store in trac.ini.

[anonymous]

How to Reproduce

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

(please provide additional details here)

Request parameters:

{}

User agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/30.0.1599.69 Safari/537.36

System Information

System information not available

Enabled Plugins

Plugin information not available

Python Traceback

Traceback (most recent call last):
  File "build/bdist.linux-x86_64/egg/trac/web/main.py", line 497, in _dispatch_request
    dispatcher.dispatch(req)
  File "build/bdist.linux-x86_64/egg/trac/web/main.py", line 233, in dispatch
    content_type)
  File "build/bdist.linux-x86_64/egg/trac/web/chrome.py", line 1015, in render_template
    encoding='utf-8')
  File "/usr/local/lib/python2.7/site-packages/Genshi-0.7-py2.7-linux-x86_64.egg/genshi/core.py", line 184, in render
    return encode(generator, method=method, encoding=encoding, out=out)
  File "/usr/local/lib/python2.7/site-packages/Genshi-0.7-py2.7-linux-x86_64.egg/genshi/output.py", line 58, in encode
    for chunk in iterator:
  File "/usr/local/lib/python2.7/site-packages/Genshi-0.7-py2.7-linux-x86_64.egg/genshi/output.py", line 350, in __call__
    for kind, data, pos in stream:
  File "/usr/local/lib/python2.7/site-packages/Genshi-0.7-py2.7-linux-x86_64.egg/genshi/output.py", line 829, in __call__
    for kind, data, pos in stream:
  File "/usr/local/lib/python2.7/site-packages/Genshi-0.7-py2.7-linux-x86_64.egg/genshi/output.py", line 669, in __call__
    for kind, data, pos in stream:
  File "/usr/local/lib/python2.7/site-packages/Genshi-0.7-py2.7-linux-x86_64.egg/genshi/output.py", line 774, in __call__
    for kind, data, pos in chain(stream, [(None, None, None)]):
  File "/usr/local/lib/python2.7/site-packages/Genshi-0.7-py2.7-linux-x86_64.egg/genshi/output.py", line 594, in __call__
    for ev in stream:
  File "/usr/local/lib/python2.7/site-packages/Genshi-0.7-py2.7-linux-x86_64.egg/genshi/core.py", line 289, in _ensure
    for event in stream:
  File "/usr/local/lib/python2.7/site-packages/Genshi-0.7-py2.7-linux-x86_64.egg/genshi/core.py", line 289, in _ensure
    for event in stream:
  File "build/bdist.linux-x86_64/egg/trac/web/chrome.py", line 1152, in _strip_accesskeys
    for kind, data, pos in stream:
  File "/usr/local/lib/python2.7/site-packages/Genshi-0.7-py2.7-linux-x86_64.egg/genshi/core.py", line 289, in _ensure
    for event in stream:
  File "build/bdist.linux-x86_64/egg/trac/web/chrome.py", line 1141, in _generate
    for kind, data, pos in stream:
  File "/usr/local/lib/python2.7/site-packages/Genshi-0.7-py2.7-linux-x86_64.egg/genshi/template/base.py", line 618, in _include
    for event in stream:
  File "/usr/local/lib/python2.7/site-packages/Genshi-0.7-py2.7-linux-x86_64.egg/genshi/template/markup.py", line 378, in _match
    ctxt, start=idx + 1, **vars):
  File "/usr/local/lib/python2.7/site-packages/Genshi-0.7-py2.7-linux-x86_64.egg/genshi/template/markup.py", line 326, in _match
    for event in stream:
  File "/usr/local/lib/python2.7/site-packages/Genshi-0.7-py2.7-linux-x86_64.egg/genshi/template/base.py", line 598, in _flatten
    stream = _apply_directives(data[1], data[0], ctxt, vars)
  File "/usr/local/lib/python2.7/site-packages/Genshi-0.7-py2.7-linux-x86_64.egg/genshi/template/base.py", line 274, in _apply_directives
    stream = directives[0](iter(stream), directives[1:], ctxt, **vars)
  File "/usr/local/lib/python2.7/site-packages/Genshi-0.7-py2.7-linux-x86_64.egg/genshi/template/directives.py", line 401, in __call__
    value = _eval_expr(self.expr, ctxt, vars)
  File "/usr/local/lib/python2.7/site-packages/Genshi-0.7-py2.7-linux-x86_64.egg/genshi/template/base.py", line 289, in _eval_expr
    retval = expr.evaluate(ctxt)
  File "/usr/local/lib/python2.7/site-packages/Genshi-0.7-py2.7-linux-x86_64.egg/genshi/template/eval.py", line 177, in evaluate
    return eval(self.code, _globals, {'__data__': data})
  File "/home/admin/.python-eggs/Trac-1.0.1-py2.7.egg-tmp/trac/templates/layout.html", line 27, in <Expression u"not defined('trac_error_rendering') and 'SEARCH_VIEW' in perm">
    <py:if test="not defined('trac_error_rendering') and 'SEARCH_VIEW' in perm" id="search">
  File "build/bdist.linux-x86_64/egg/trac/perm.py", line 556, in has_permission
    return self._has_permission(action, resource)
  File "build/bdist.linux-x86_64/egg/trac/perm.py", line 570, in _has_permission
    check_permission(action, perm.username, resource, perm)
  File "build/bdist.linux-x86_64/egg/trac/perm.py", line 462, in check_permission
    perm)
  File "build/bdist.linux-x86_64/egg/trac/perm.py", line 296, in check_permission
    get_user_permissions(username)
  File "build/bdist.linux-x86_64/egg/trac/perm.py", line 398, in get_user_permissions
    for perm in self.store.get_user_permissions(username) or []:
  File "build/bdist.linux-x86_64/egg/trac/config.py", line 697, in __get__
    self.section, self.name))
AttributeError: Cannot find an implementation of the "IPermissionStore" interface named "UserExtensiblePermissionStore".  Please update the option trac.permission_store in trac.ini.

[Jun Omae]

It seems an InstallationIssue with ​th:DirectoryAuthPlugin. Please ask on the mailing list or IRC channel.