Error in dagobah log if a deleted job is accessed about dagobah HOT 3 CLOSED

Could you give me some more steps to reproduce this? Which page are you looking at in the frontend when this happens? My best guess is that you left a window open on a job detail page after deleting it from the jobs page?

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Two ways to reproduce the error:

1. Access a random job which does not exist. Like: http://HOST:9000/job/87333
   You will get Internal server error and this error in the log:

   ERROR [dagobah.daemon.daemon] Exception on /job/87333 [GET]
   Traceback (most recent call last):
     File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1817, in wsgi_app
       response = self.full_dispatch_request()
     File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1477, in full_dispatch_request
       rv = self.handle_user_exception(e)
     File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1381, in handle_user_exception
       reraise(exc_type, exc_value, tb)
     File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1475, in full_dispatch_request
       rv = self.dispatch_request()
     File "/usr/local/lib/python2.7/dist-packages/flask/app.py", line 1461, in dispatch_request
       return self.view_functions[rule.endpoint](**req.view_args)
     File "/usr/local/lib/python2.7/dist-packages/Flask_Login-0.2.6-py2.7.egg/flask_login.py", line 663, in decorated_view
       return func(*args, **kwargs)
     File "/usr/local/lib/python2.7/dist-packages/dagobah-0.2.0-py2.7.egg/dagobah/daemon/views.py", line 37, in job_detail
       job = [job for job in jobs if str(job['job_id']) == job_id][0]
   IndexError: list index out of range
   

2. Open a job which exists, say http://HOST:9000/job/1, now open a dagobah in a new window and delete the job_id=1. You will start seeing the errors mentioned in the original bug since http://HOST:9000/job/1 is already open and making ajax calls.

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Understood. I'm going to make it throw a reasonable error in both cases and, in the second case, wipe pretty much the entire DOM and let you know there's nothing there anymore.

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