Does Not Exist Django Error
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Django raises some of its own exceptions as well django template does not exist error as standard Python exceptions. Django Core Exceptions¶ Django
Relation Does Not Exist Django
core exception classes are defined in django.core.exceptions. AppRegistryNotReady¶ exception AppRegistryNotReady[source]¶ This
Matching Query Does Not Exist Django
exception is raised when attempting to use models before the app loading process, which initializes the ORM, is complete. ObjectDoesNotExist¶ exception
Site Matching Query Does Not Exist Django
ObjectDoesNotExist[source]¶ The base class for DoesNotExist exceptions; a try/except for ObjectDoesNotExist will catch DoesNotExist exceptions for all models. See get() for further information on ObjectDoesNotExist and DoesNotExist. FieldDoesNotExist¶ exception FieldDoesNotExist[source]¶ The FieldDoesNotExist exception is django column does not exist raised by a model's _meta.get_field() method when the requested field does not exist on the model or on the model's parents. MultipleObjectsReturned¶ exception MultipleObjectsReturned[source]¶ The MultipleObjectsReturned exception is raised by a query if only one object is expected, but multiple objects are returned. A base version of this exception is provided in django.core.exceptions; each model class contains a subclassed version that can be used to identify the specific object type that has returned multiple objects. See get() for further information. SuspiciousOperation¶ exception SuspiciousOperation[source]¶ The SuspiciousOperation exception is raised when a user has performed an operation that should be considered suspicious from a security perspective, such as tampering with a session cookie. Subclasses of SuspiciousOperation include: DisallowedHost DisallowedModelAdminLooku
here for a quick overview of the site Help django error log Center Detailed answers to any questions you might have Meta django icontains Discuss the workings and policies of this site About Us Learn more about Stack django console log Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask https://docs.djangoproject.com/en/1.10/ref/exceptions/ Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Django DoesNotExist up vote 24 down vote favorite 4 I am having issues on trying to http://stackoverflow.com/questions/16181188/django-doesnotexist figure "DoesNotExist Errors", I have tried to find the right way for manage the no answer results, however I continue having issues on "DoesNotExist" or "Object hast not Attribute DoestNotExists" from django.http import HttpResponse from django.contrib.sites.models import Site from django.utils import simplejson from vehicles.models import * from gpstracking.models import * def request_statuses(request): data = [] vehicles = Vehicle.objects.filter() Vehicle.vehicledevice_ for vehicle in vehicles: try: vehicledevice = vehicle.vehicledevice_set.get(is_joined__exact = True) imei = vehicledevice.device.imei try: lastposition = vehicledevice.device.devicetrack_set.latest('date_time_process') altitude = lastposition.altitude latitude = lastposition.latitude longitude = lastposition.longitude date_time_process = lastposition.date_time_process.strftime("%Y-%m-%d %H:%M:%S"), date_time_created = lastposition.created.strftime("%Y-%m-%d %H:%M:%S") except Vehicle.vehicledevice.device.DoesNotExist: lastposition = None altitude = None latitude = None longitude = None date_time_process = None date_time_created = None except Vehicle.DoesNotExist: vehicledevice = None imei = '' item = [ vehicle.vehicle_type.name, imei, altitude, "Lat %s Lng %s" % (latitude, longitude), date_time_process, date_time_created, '', '' ] data.a
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies http://stackoverflow.com/questions/17813919/django-error-matching-query-does-not-exist of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: does not Sign up Django error - matching query does not exist up vote 13 down vote favorite 2 I finally released my project to the production level and suddenly I have some issues I never had to deal with in the development phase. When the users posts some actions, I sometimes get the following error. Traceback (most recent call last): File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py", line 111, does not exist in get_response response = callback(request, *callback_args, **callback_kwargs) File "home/ubuntu/server/opineer/comments/views.py", line 103, in comment_expand comment = Comment.objects.get(pk=comment_id) File "/usr/local/lib/python2.7/dist-packages/django/db/models/manager.py", line 131, in get return self.get_query_set().get(*args, **kwargs) File "/usr/local/lib/python2.7/dist-packages/django/db/models/query.py", line 366, in get % self.model._meta.object_name) DoesNotExist: Comment matching query does not exist What really frustrates me is that the project works fine in the local environment and furthermore, the matching query object DOES exist in the Database. Now I am suspecting that the user is accessing the Database when it's reserved to other users, but there's no way to prove my argument nor I have any solution to it. Does anybody had this kind of issue before? Any suggestions on how to resolve this issue? Thank you very much for your help in advance. EDIT: I have manually queried the database using the same information retrieved from the server error email I received. I was able to hit the entry without any issue. Furthermore, it seems like the exact same behavior the user performed does not raise any issue most of the time, but rather in some (which is yet unknown) cases. In conclusion, it definitely is