LR error

*** Starting uWSGI 1.4.5 (32bit) on [Mon Feb 25 14:54:32 2013] ***
compiled with version: 4.6.3 on 21 February 2013 11:14:46
os: Linux-3.2.0-37-generic-pae #58-Ubuntu SMP Thu Jan 24 15:51:02 UTC 2013
nodename: lr
machine: i686
clock source: unix
detected number of CPU cores: 1
current working directory: /
writing pidfile to /var/run/learningregistry/uwsgi.pid
detected binary path: /usr/local/bin/uwsgi
your processes number limit is 15987
your memory page size is 4096 bytes
detected max file descriptor number: 1024
lock engine: pthread robust mutexes
uwsgi socket 0 bound to TCP address 127.0.0.1:5000 fd 3
Python version: 2.7.3 (default, Aug  1 2012, 05:27:35)  [GCC 4.6.3]
Set PythonHome to /home/learningregistry/virtualenv/LR
*** Python threads support is disabled. You can enable it with --enable-threads ***
Python main interpreter initialized at 0x87ac4e8
your server socket listen backlog is limited to 100 connections
mapped 127616 bytes (124 KB) for 1 cores
*** Operational MODE: single process ***
Loading paste environment: config:/home/learningregistry/git/LearningRegistry/LR/development.ini
14:54:34,423 INFO  [lr.lib.model_parser] [MainThread] Cannot get document type: 'str' object has no attribute 'value'
14:54:34,619 DEBUG [lr.model.resource_data_monitor] [MainThread]

-----{'since': -1}------


14:54:34,621 DEBUG [lr.lib.couch_change_monitor.change_monitor] [MainThread] {'feed': 'continuous', 'include_docs': True, 'since': -1}
14:54:34,623 DEBUG [lr.lib.couch_change_monitor.change_monitor] [MainThread] {'feed': 'continuous', 'include_docs': True, 'since': -1}
14:54:34,632 DEBUG [lr.lib.couch_change_monitor.change_monitor] [MainThread]

Start monitoring database : <Database 'resource_data'> changes PID: 5654 since:-1


14:54:34,638 DEBUG [lr.lib.couch_change_monitor.base_change_threshold_handler] [MainThread] class: TrackLastSequence count: 1 countThreshold: 25 timedelta: 0:00:00.191069 timethreshold: 0:01:00


14:54:34,638 DEBUG [lr.lib.couch_change_monitor.base_change_threshold_handler] [MainThread] class: CompactionHandler count: 1 countThreshold: 10000 timedelta: 0:00:00.191184 timethreshold: 999999999 days, 23:59:59.999999


14:54:34,638 DEBUG [lr.lib.couch_change_monitor.change_monitor] [MainThread] --Last change sequence: 1


14:54:34,638 DEBUG [lr.lib.couch_change_monitor.base_change_threshold_handler] [MainThread] class: TrackLastSequence count: 2 countThreshold: 25 timedelta: 0:00:00.191508 timethreshold: 0:01:00


14:54:34,638 DEBUG [lr.lib.couch_change_monitor.base_change_threshold_handler] [MainThread] class: CompactionHandler count: 2 countThreshold: 10000 timedelta: 0:00:00.191581 timethreshold: 999999999 days, 23:59:59.999999


14:54:34,639 DEBUG [lr.lib.couch_change_monitor.change_monitor] [MainThread] --Last change sequence: 3


14:54:34,639 DEBUG [lr.lib.couch_change_monitor.base_change_threshold_handler] [MainThread] class: TrackLastSequence count: 3 countThreshold: 25 timedelta: 0:00:00.191859 timethreshold: 0:01:00


14:54:34,639 DEBUG [lr.lib.couch_change_monitor.base_change_threshold_handler] [MainThread] class: CompactionHandler count: 3 countThreshold: 10000 timedelta: 0:00:00.191931 timethreshold: 999999999 days, 23:59:59.999999


14:54:34,639 DEBUG [lr.lib.couch_change_monitor.change_monitor] [MainThread] --Last change sequence: 4


14:54:34,639 DEBUG [lr.lib.couch_change_monitor.base_change_threshold_handler] [MainThread] class: TrackLastSequence count: 4 countThreshold: 25 timedelta: 0:00:00.192220 timethreshold: 0:01:00


14:54:34,639 DEBUG [lr.lib.couch_change_monitor.base_change_threshold_handler] [MainThread] class: CompactionHandler count: 4 countThreshold: 10000 timedelta: 0:00:00.192293 timethreshold: 999999999 days, 23:59:59.999999


14:54:34,639 DEBUG [lr.lib.couch_change_monitor.change_monitor] [MainThread] --Last change sequence: 5


14:54:34,643 DEBUG [lr.lib.couch_change_monitor.change_monitor] [MainThread]

Start monitoring database : <Database 'incoming'> changes PID: 5655 since:-1


14:54:34,643 DEBUG [lr.lib.couch_change_monitor.base_change_threshold_handler] [MainThread] class: TrackLastSequence count: 5 countThreshold: 25 timedelta: 0:00:00.196422 timethreshold: 0:01:00


14:54:34,643 DEBUG [lr.lib.couch_change_monitor.base_change_threshold_handler] [MainThread] class: CompactionHandler count: 5 countThreshold: 10000 timedelta: 0:00:00.196510 timethreshold: 999999999 days, 23:59:59.999999


14:54:34,643 DEBUG [lr.lib.couch_change_monitor.change_monitor] [MainThread] --Last change sequence: 6


14:54:34,644 DEBUG [lr.lib.couch_change_monitor.base_change_threshold_handler] [MainThread] class: TrackLastSequence count: 6 countThreshold: 25 timedelta: 0:00:00.196798 timethreshold: 0:01:00


14:54:34,644 DEBUG [lr.lib.couch_change_monitor.base_change_threshold_handler] [MainThread] class: CompactionHandler count: 6 countThreshold: 10000 timedelta: 0:00:00.196873 timethreshold: 999999999 days, 23:59:59.999999


14:54:34,644 DEBUG [lr.lib.couch_change_monitor.change_monitor] [MainThread] --Last change sequence: 7


14:54:34,647 DEBUG [lr.lib.couch_change_monitor.base_change_threshold_handler] [MainThread] class: TrackLastSequence count: 7 countThreshold: 25 timedelta: 0:00:00.199998 timethreshold: 0:01:00


14:54:34,647 DEBUG [lr.lib.couch_change_monitor.base_change_threshold_handler] [MainThread] class: CompactionHandler count: 7 countThreshold: 10000 timedelta: 0:00:00.200079 timethreshold: 999999999 days, 23:59:59.999999


14:54:34,647 DEBUG [lr.lib.couch_change_monitor.change_monitor] [MainThread] --Last change sequence: 8


14:54:34,649 INFO  [lr.config.routing] [MainThread] Enabling service route for: administrative:Network Node Status service member: status collection: status
14:54:34,651 DEBUG [lr.lib.couch_change_monitor.base_change_threshold_handler] [MainThread] class: TrackLastSequence count: 8 countThreshold: 25 timedelta: 0:00:00.204089 timethreshold: 0:01:00


14:54:34,651 DEBUG [lr.lib.couch_change_monitor.base_change_threshold_handler] [MainThread] class: CompactionHandler count: 8 countThreshold: 10000 timedelta: 0:00:00.204169 timethreshold: 999999999 days, 23:59:59.999999


14:54:34,651 DEBUG [lr.lib.couch_change_monitor.change_monitor] [MainThread] --Last change sequence: 9


14:54:34,651 DEBUG [lr.lib.couch_change_monitor.base_change_threshold_handler] [MainThread] class: TrackLastSequence count: 9 countThreshold: 25 timedelta: 0:00:00.204434 timethreshold: 0:01:00


14:54:34,651 DEBUG [lr.lib.couch_change_monitor.base_change_threshold_handler] [MainThread] class: CompactionHandler count: 9 countThreshold: 10000 timedelta: 0:00:00.204506 timethreshold: 999999999 days, 23:59:59.999999


14:54:34,651 DEBUG [lr.lib.couch_change_monitor.change_monitor] [MainThread] --Last change sequence: 10


14:54:34,656 DEBUG [lr.lib.couch_change_monitor.base_change_threshold_handler] [MainThread] class: TrackLastSequence count: 10 countThreshold: 25 timedelta: 0:00:00.208874 timethreshold: 0:01:00


14:54:34,656 DEBUG [lr.lib.couch_change_monitor.base_change_threshold_handler] [MainThread] class: CompactionHandler count: 10 countThreshold: 10000 timedelta: 0:00:00.208955 timethreshold: 999999999 days, 23:59:59.999999


14:54:34,656 DEBUG [lr.lib.couch_change_monitor.change_monitor] [MainThread] --Last change sequence: 11


14:54:34,658 INFO  [lr.config.routing] [MainThread] Enabling service route for: distribute:Resource Data Distribution service member: distribute collection: distribute
14:54:34,660 INFO  [lr.config.routing] [MainThread] Enabling service route for: publish:Basic Publish service member: publish collection: publish
14:54:34,662 INFO  [lr.config.routing] [MainThread] Enabling service route for: access:Basic Obtain service member: obtain collection: obtain
14:54:34,665 INFO  [lr.config.routing] [MainThread] Enabling service route for: administrative:Network Node Description service member: description collection: description
14:54:34,667 INFO  [lr.config.routing] [MainThread] Enabling service route for: administrative:Network Node Services service member: services collection: services
14:54:34,669 INFO  [lr.config.routing] [MainThread] Enabling service route for: administrative:Resource Distribution Network Policy service member: policy collection: policy
14:54:34,672 INFO  [lr.config.routing] [MainThread] Enabling service route for: access:Basic Harvest service member: harvest collection: harvest
14:54:34,674 INFO  [lr.config.routing] [MainThread] Enabling service route for: access:OAI-PMH Harvest service member: OAI-PMH collection: OAI-PMH
14:54:34,676 INFO  [lr.config.routing] [MainThread] Enabling service route for: access:Slice service member: slice collection: slice
14:54:34,679 INFO  [lr.config.routing] [MainThread] Enabling service route for: publish:SWORD APP Publish V1.3 service member: swordservice collection: swordservice
WSGI app 0 (mountpoint='') ready in 2 seconds on interpreter 0x87ac4e8 pid: 5647 (default app)
*** uWSGI is running in multiple interpreter mode ***
spawned uWSGI master process (pid: 5647)
spawned uWSGI worker 1 (pid: 5656, cores: 1)
[pid: 5656|app: 0|req: 1/1] 138.253.65.139 () {46 vars in 953 bytes} [Mon Feb 25 14:54:44 2013] GET / => generated 3694 bytes in 1 msecs (HTTP/1.1 200) 6 headers in 196 bytes (1 switches on core 0)
[pid: 5656|app: 0|req: 2/2] 138.253.65.139 () {50 vars in 1050 bytes} [Mon Feb 25 14:54:47 2013] GET / => generated 0 bytes in 0 msecs (HTTP/1.1 304) 2 headers in 79 bytes (1 switches on core 0)
Error - <class 'couchdb.http.ServerError'>: (500, ('unknown_error', 'badarg'))
URL: http://lr.liv.ac.uk//status
File '/home/learningregistry/virtualenv/LR/local/lib/python2.7/site-packages/weberror/errormiddleware.py', line 162 in __call__
  app_iter = self.application(environ, sr_checker)
File '/home/learningregistry/virtualenv/LR/local/lib/python2.7/site-packages/beaker/middleware.py', line 155 in __call__
  return self.wrap_app(environ, session_start_response)
File '/home/learningregistry/virtualenv/LR/local/lib/python2.7/site-packages/routes/middleware.py', line 131 in __call__
  response = self.app(environ, start_response)
File '/home/learningregistry/virtualenv/LR/local/lib/python2.7/site-packages/pylons/wsgiapp.py', line 107 in __call__
  response = self.dispatch(controller, environ, start_response)
File '/home/learningregistry/virtualenv/LR/local/lib/python2.7/site-packages/pylons/wsgiapp.py', line 312 in dispatch
  return controller(environ, start_response)
File '/home/learningregistry/git/LearningRegistry/LR/lr/lib/base.py', line 17 in __call__
  return WSGIController.__call__(self, environ, start_response)
File '/home/learningregistry/virtualenv/LR/local/lib/python2.7/site-packages/pylons/controllers/core.py', line 211 in __call__
  response = self._dispatch_call()
File '/home/learningregistry/virtualenv/LR/local/lib/python2.7/site-packages/pylons/controllers/core.py', line 162 in _dispatch_call
  response = self._inspect_call(func)
File '/home/learningregistry/virtualenv/LR/local/lib/python2.7/site-packages/pylons/controllers/core.py', line 105 in _inspect_call
  result = self._perform_call(func, args)
File '/home/learningregistry/virtualenv/LR/local/lib/python2.7/site-packages/pylons/controllers/core.py', line 57 in _perform_call
  return func(**args)
File '/home/learningregistry/git/LearningRegistry/LR/lr/controllers/status.py', line 36 in index
  s = sourceLRNode.status
File '/home/learningregistry/git/LearningRegistry/LR/lr/model/node_config.py', line 152 in _getStatusDescription
  if len(view.rows) > 0:
File '/home/learningregistry/virtualenv/LR/local/lib/python2.7/site-packages/couchdb/client.py', line 1003 in rows
  self._fetch()
File '/home/learningregistry/virtualenv/LR/local/lib/python2.7/site-packages/couchdb/client.py', line 990 in _fetch
  data = self.view._exec(self.options)
File '/home/learningregistry/virtualenv/LR/local/lib/python2.7/site-packages/couchdb/client.py', line 880 in _exec
  _, _, data = self.resource.get_json(**self._encode_options(options))
File '/home/learningregistry/virtualenv/LR/local/lib/python2.7/site-packages/couchdb/http.py', line 393 in get_json
  status, headers, data = self.get(*a, **k)
File '/home/learningregistry/virtualenv/LR/local/lib/python2.7/site-packages/couchdb/http.py', line 374 in get
  return self._request('GET', path, headers=headers, **params)
File '/home/learningregistry/virtualenv/LR/local/lib/python2.7/site-packages/couchdb/http.py', line 419 in _request
  credentials=self.credentials)
File '/home/learningregistry/virtualenv/LR/local/lib/python2.7/site-packages/couchdb/http.py', line 310 in request
  raise ServerError((status, error))
ServerError: (500, ('unknown_error', 'badarg'))


CGI Variables
-------------
  CONTENT_TYPE: '; charset="utf-8"'
  DOCUMENT_ROOT: '/etc/nginx//html'
  HTTP_ACCEPT: 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8'
  HTTP_ACCEPT_CHARSET: 'ISO-8859-1,utf-8;q=0.7,*;q=0.3'
  HTTP_ACCEPT_ENCODING: 'gzip,deflate,sdch'
  HTTP_ACCEPT_LANGUAGE: 'en-US,en;q=0.8,en-GB;q=0.6'
  HTTP_AUTHORIZATION: 'Basic ZW5ncmljaDpMUjRMaXYxMg=='
  HTTP_CONNECTION: 'keep-alive'
  HTTP_COOKIE: '__utma=28784417.230680206.1351528854.1361790067.1361797398.109; __utmc=28784417; __utmz=28784417.1354728123.38.2.utmcsr=google|utmccn=(organic)|utmcmd=organic|utmctr=(not%20provided)'
  HTTP_HOST: 'lr.liv.ac.uk'
  HTTP_USER_AGENT: 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.22 (KHTML, like Gecko) Chrome/25.0.1364.97 Safari/537.22'
  PATH_INFO: '/status'
  REMOTE_ADDR: '138.253.65.139'
  REMOTE_PORT: '64234'
  REQUEST_METHOD: 'GET'
  REQUEST_URI: '/status'
  SCRIPT_NAME: '/'
  SERVER_NAME: 'lr.liv.ac.uk'
  SERVER_PORT: '80'
  SERVER_PROTOCOL: 'HTTP/1.1'


WSGI Variables
--------------
  application: <beaker.middleware.SessionMiddleware object at 0x93fdb2c>
  beaker.get_session: <bound method SessionMiddleware._get_session of <beaker.middleware.SessionMiddleware object at 0x93fdb2c>>
  beaker.session: Cannot display: type object got multiple values for keyword argument 'use_cookies'
  paste.registry: <paste.registry.Registry object at 0x946648c>
  paste.throw_errors: True
  pylons.action_method: <bound method StatusController.index of <lr.controllers.status.StatusController object at 0x946e3cc>>
  pylons.controller: <lr.controllers.status.StatusController object at 0x946e3cc>
  pylons.environ_config: {'session': 'beaker.session', 'cache': 'beaker.cache'}
  pylons.pylons: <pylons.util.PylonsContext object at 0x93cd80c>
  pylons.routes_dict: {'action': u'index', 'controller': u'status'}
  routes.route: <routes.route.Route object at 0x93cdb4c>
  routes.url: <routes.util.URLGenerator object at 0xb6c2344c>
  uwsgi.node: 'lr'
  uwsgi.version: '1.4.5'
  webob.adhoc_attrs: {'language': 'en-us'}
  wsgi process: 'Non-concurrent server'
  wsgi.file_wrapper: <built-in function uwsgi_sendfile>
  wsgiorg.routing_args: (<routes.util.URLGenerator object at 0xb6c2344c>, {'action': u'index', 'controller': u'status'})
------------------------------------------------------------
[pid: 5656|app: 0|req: 3/3] 138.253.65.139 () {44 vars in 934 bytes} [Mon Feb 25 14:54:52 2013] GET /status => generated 815 bytes in 78 msecs (HTTP/1.1 500) 4 headers in 142 bytes (1 switches on core 0)