In order to test some some JobQueue features I've created a page with 500 links in labs and ORESFetchScoreJob failed, because for that page ORES files with a 500.
curl -i 'https://ores-beta.wmflabs.org/v3/scores/enwiki/?models=damaging%7Cgoodfaith%7Cdraftquality&revids=372206&precache=true&format=json'
HTTP/1.1 500 INTERNAL SERVER ERROR
Server: nginx/1.11.13
Date: Thu, 26 Oct 2017 11:09:30 GMT
Content-Type: application/json
Content-Length: 1653
Connection: keep-alive
Cache-Control: no-store, no-cache, max-age=0
Pragma: no-cache
Expires: Thu, 01 Jan 1970 00:00:00 GMT
Access-Control-Allow-Origin: *
{"error": {"code": "internal server error", "message": "Traceback (most recent call last):\n File \"./ores/wsgi/routes/v3/scores.py\", line 28, in process_score_request\n score_response = scoring_system.score(score_request)\n File \"./ores/scoring_systems/scoring_system.py\", line 42, in score\n response = self._score(request)\n File \"./ores/scoring_systems/celery_queue.py\", line 194, in _score\n return super()._score(*args, **kwargs)\n File \"./ores/scoring_systems/scoring_system.py\", line 98, in _score\n inprogress_results=inprogress_results)\n File \"./ores/scoring_systems/celery_queue.py\", line 117, in _process_missing_scores\n request, missing_models, rev_id, root_cache)\n File \"/srv/deployment/ores/venv/lib/python3.4/site-packages/celery/app/task.py\", line 453, in delay\n return self.apply_async(args, kwargs)\n File \"/srv/deployment/ores/venv/lib/python3.4/site-packages/celery/app/task.py\", line 565, in apply_async\n **dict(self._get_exec_options(), **options)\n File \"/srv/deployment/ores/venv/lib/python3.4/site-packages/celery/app/base.py\", line 354, in send_task\n reply_to=reply_to or self.oid, **options\n File \"/srv/deployment/ores/venv/lib/python3.4/site-packages/celery/app/amqp.py\", line 297, in publish_task\n retry_policy=retry_policy,\n File \"/srv/deployment/ores/venv/lib/python3.4/site-packages/celery/utils/dispatch/signal.py\", line 166, in send\n response = receiver(signal=self, sender=sender, **named)\n File \"./ores/scoring_systems/celery_queue.py\", line 31, in update_sent_state\n task_id = properties['correlation_id']\nKeyError: 'correlation_id'\n"}}