saml2 memcached issue

[Fri Apr 10 23:06:17.338625 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627] mod_wsgi (pid=2961): Target WSGI script '
/etc/ckan/apache.wsgi' cannot be loaded as Python module.
[Fri Apr 10 23:06:17.338749 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627] mod_wsgi (pid=2961): Exception occurred p
rocessing WSGI script '/etc/ckan/apache.wsgi'.
[Fri Apr 10 23:06:17.338779 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627] Traceback (most recent call last):
[Fri Apr 10 23:06:17.338800 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]   File "/etc/ckan/apache.wsgi", line 10,
in <module>
[Fri Apr 10 23:06:17.338828 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]     application = loadapp('config:%s' % c
onfig_filepath)
[Fri Apr 10 23:06:17.338839 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]   File "/usr/lib/ckan/lib/python2.7/site-
packages/paste/deploy/loadwsgi.py", line 253, in loadapp
[Fri Apr 10 23:06:17.338859 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]     return loadobj(APP, uri, name=name, *
*kw)
[Fri Apr 10 23:06:17.338868 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]   File "/usr/lib/ckan/lib/python2.7/site-
packages/paste/deploy/loadwsgi.py", line 278, in loadobj
[Fri Apr 10 23:06:17.338882 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]     return context.create()
[Fri Apr 10 23:06:17.338891 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]   File "/usr/lib/ckan/lib/python2.7/site-
packages/paste/deploy/loadwsgi.py", line 715, in create
[Fri Apr 10 23:06:17.338911 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]     return self.object_type.invoke(self)
[Fri Apr 10 23:06:17.338921 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]   File "/usr/lib/ckan/lib/python2.7/site-
packages/paste/deploy/loadwsgi.py", line 152, in invoke
[Fri Apr 10 23:06:17.338935 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]     return fix_call(context.object, conte
xt.global_conf, **context.local_conf)
[Fri Apr 10 23:06:17.338944 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]   File "/usr/lib/ckan/lib/python2.7/site-
packages/paste/deploy/util.py", line 55, in fix_call
[Fri Apr 10 23:06:17.338958 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]     val = callable(*args, **kw)
[Fri Apr 10 23:06:17.338967 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]   File "/usr/lib/ckan-new/src/ckan/ckan/c
onfig/middleware.py", line 118, in make_app
[Fri Apr 10 23:06:17.338982 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]     who_parser.parse(open(app_conf['who.c
onfig_file']))
[Fri Apr 10 23:06:17.338990 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]   File "/usr/lib/ckan/lib/python2.7/site-
packages/repoze/who/config.py", line 83, in parse
[Fri Apr 10 23:06:17.339006 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]     obj = self._makePlugin(name, IPlugin,
 options)
[Fri Apr 10 23:06:17.339023 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]   File "/usr/lib/ckan/lib/python2.7/site-
packages/repoze/who/config.py", line 42, in _makePlugin
[Fri Apr 10 23:06:17.339038 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]     obj = obj(**options)
[Fri Apr 10 23:06:17.339046 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]   File "/usr/lib/ckan-new/src/pysaml2/src
/saml2/s2repoze/plugins/sp.py", line 688, in make_plugin
[Fri Apr 10 23:06:17.339220 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]     virtual_organization=virtual_organiza
tion,
[Fri Apr 10 23:06:17.339236 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]   File "/usr/lib/ckan-new/src/pysaml2/src
/saml2/client_base.py", line 109, in __init__
[Fri Apr 10 23:06:17.339465 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]     self.users = Population(identity_cach
e)
[Fri Apr 10 23:06:17.339479 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]   File "/usr/lib/ckan-new/src/pysaml2/src
/saml2/population.py", line 14, in __init__
[Fri Apr 10 23:06:17.339536 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]     self.cache = Cache(cache)
[Fri Apr 10 23:06:17.339548 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]   File "/usr/lib/ckan-new/src/pysaml2/src
/saml2/cache.py", line 27, in __init__
[Fri Apr 10 23:06:17.339622 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]     self._db = shelve.open(filename, writ
eback=True, protocol=2)
[Fri Apr 10 23:06:17.339634 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]   File "/usr/local/lib/python2.7.10/lib/p
ython2.7/shelve.py", line 243, in open
[Fri Apr 10 23:06:17.339714 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]     return DbfilenameShelf(filename, flag
, protocol, writeback)
[Fri Apr 10 23:06:17.339727 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]   File "/usr/local/lib/python2.7.10/lib/p
ython2.7/shelve.py", line 227, in __init__
[Fri Apr 10 23:06:17.339742 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]     Shelf.__init__(self, anydbm.open(file
name, flag), protocol, writeback)
[Fri Apr 10 23:06:17.339751 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]   File "/usr/local/lib/python2.7.10/lib/p
ython2.7/anydbm.py", line 85, in open
[Fri Apr 10 23:06:17.339814 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]     return mod.open(file, flag, mode)
[Fri Apr 10 23:06:17.339827 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]   File "/usr/local/lib/python2.7.10/lib/p
ython2.7/dbhash.py", line 18, in open
[Fri Apr 10 23:06:17.339872 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]     return bsddb.hashopen(file, flag, mod
e)
[Fri Apr 10 23:06:17.339884 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]   File "/usr/local/lib/python2.7.10/lib/p
ython2.7/bsddb/__init__.py", line 364, in hashopen
[Fri Apr 10 23:06:17.339998 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627]     d.open(file, db.DB_HASH, flags, mode)
[Fri Apr 10 23:06:17.340030 2020] [:error] [pid 2961:tid 139687386769152] [remote 10.177.19.22:31627] DBAccessError: (13, 'Permission denied')