RuntimeError: instance.__dict__ not accessible in restricted mode

[martynas.jocius@…]

The following traceback appears quite often:

Python Traceback

Traceback (most recent call last):
  File "/var/lib/python-support/python2.5/trac/web/main.py", line 387, in dispatch_request
    dispatcher.dispatch(req)
  File "/var/lib/python-support/python2.5/trac/web/main.py", line 191, in dispatch
    chosen_handler = self._pre_process_request(req, chosen_handler)
  File "/var/lib/python-support/python2.5/trac/web/main.py", line 263, in _pre_process_request
    chosen_handler = f.pre_process_request(req, chosen_handler)
  File "/var/lib/python-support/python2.5/trac/versioncontrol/api.py", line 73, in pre_process_request
    self.get_repository(req.authname) # triggers a sync if applicable
  File "/var/lib/python-support/python2.5/trac/versioncontrol/api.py", line 101, in get_repository
    repos = self._connector.get_repository(rtype, rdir, authname)
  File "/var/lib/python-support/python2.5/trac/versioncontrol/svn_fs.py", line 259, in get_repository
    repos = SubversionRepository(dir, None, self.log)
  File "/var/lib/python-support/python2.5/trac/versioncontrol/svn_fs.py", line 281, in __init__
    self.pool = Pool()
  File "/var/lib/python-support/python2.5/trac/versioncontrol/svn_fs.py", line 158, in __init__
    self._pool = core.svn_pool_create(self._parent_pool())
  File "/var/lib/python-support/python2.5/svn/core.py", line 177, in svn_pool_create
    return Pool(parent_pool)
  File "/var/lib/python-support/python2.5/libsvn/core.py", line 1082, in svn_pool_create
    return apply(_core.svn_pool_create, args)
  File "/var/lib/python-support/python2.5/libsvn/core.py", line 3105, in _wrap
    obj.set_parent_pool(self)
  File "/var/lib/python-support/python2.5/libsvn/core.py", line 2996, in set_parent_pool
    self._parent_pool = parent_pool or application_pool
  File "/var/lib/python-support/python2.5/libsvn/core.py", line 2984, in <lambda>
    __setattr__ = lambda self, name, value: _swig_setattr(self, apr_pool_t, name, value)
  File "/var/lib/python-support/python2.5/libsvn/core.py", line 24, in _swig_setattr
    return _swig_setattr_nondynamic(self,class_type,name,value,0)
  File "/var/lib/python-support/python2.5/libsvn/core.py", line 19, in _swig_setattr_nondynamic
    self.__dict__[name] = value
RuntimeError: instance.__dict__ not accessible in restricted mode

Using Trac 0.10.3-1, libapache2-mod-python 0.10.3-1, apache2 2.2.3-3.2build1 under Ubuntu Linux.

[Emmanuel Blot]

Probable duplicate of #3371