KeyError at /lang/2/

'HTTP_REFERER'
Request Method: GET
Request URL: https://newlinkcollege.com/lang/2/
Django Version: 4.0.4
Exception Type: KeyError
Exception Value:
'HTTP_REFERER'
Exception Location: /opt/project/newlinkcollege/newlinkcollege/apps/base/views.py, line 29, in langchoice
Python Executable: /opt/project/newlinkcollege/bin/uwsgi
Python Version: 3.9.5
Python Path:
['/opt/project/newlinkcollege/newlinkcollege/apps',
 '.',
 '',
 '/usr/lib/python39.zip',
 '/usr/lib/python3.9',
 '/usr/lib/python3.9/lib-dynload',
 '/opt/project/newlinkcollege/lib/python3.9/site-packages']
Server time: Mon, 18 Mar 2024 22:54:15 -0700

Traceback Switch to copy-and-paste view



Request information

USER

AnonymousUser

GET

No GET data

POST

No POST data

FILES

No FILES data

No cookie data

META

Variable Value
CONTENT_LENGTH
''
CONTENT_TYPE
''
DOCUMENT_ROOT
'/opt/project/newlinkcollege/newlinkcollege'
HTTPS
'on'
HTTP_ACCEPT
'*/*'
HTTP_HOST
'newlinkcollege.com'
HTTP_USER_AGENT
'claudebot'
PATH_INFO
'/lang/2/'
QUERY_STRING
''
REMOTE_ADDR
'35.168.113.41'
REMOTE_PORT
'60306'
REQUEST_METHOD
'GET'
REQUEST_SCHEME
'https'
REQUEST_URI
'/lang/2/'
SCRIPT_NAME
''
SERVER_NAME
'demo.newlinkcollege.com'
SERVER_PORT
'443'
SERVER_PROTOCOL
'HTTP/2.0'
uwsgi.node
b'ilink'
uwsgi.version
b'2.0.20'
wsgi.errors
<_io.TextIOWrapper name=2 mode='w' encoding='UTF-8'>
wsgi.file_wrapper
<built-in function uwsgi_sendfile>
wsgi.input
<uwsgi._Input object at 0x7fe22c1d9a50>
wsgi.multiprocess
True
wsgi.multithread
False
wsgi.run_once
False
wsgi.url_scheme
'https'
wsgi.version
(1, 0)

Settings

Using settings module newlinkcollege.settings

Setting Value
ABSOLUTE_URL_OVERRIDES
{}
ADMINS
[]
ALLOWED_HOSTS
['newlinkcollege.com', 'demo.newlinkcollege.com', 'www.newlinkcollege.com']
APPEND_SLASH
True
AUTHENTICATION_BACKENDS
{'userinfo.views.CustomBackend'}
AUTH_PASSWORD_VALIDATORS
'********************'
AUTH_USER_MODEL
'userinfo.UserProfile'
BASE_DIR
PosixPath('/opt/project/newlinkcollege/newlinkcollege')
CACHES
{'default': {'BACKEND': 'django.core.cache.backends.locmem.LocMemCache'}}
CACHE_MIDDLEWARE_ALIAS
'default'
CACHE_MIDDLEWARE_KEY_PREFIX
'********************'
CACHE_MIDDLEWARE_SECONDS
600
CREDENTIAL_CODE
'2c5NmzajTLeaz5xFzeKldQ3vWARqfGkU'
CSRF_COOKIE_AGE
31449600
CSRF_COOKIE_DOMAIN
None
CSRF_COOKIE_HTTPONLY
False
CSRF_COOKIE_NAME
'csrftoken'
CSRF_COOKIE_PATH
'/'
CSRF_COOKIE_SAMESITE
'Lax'
CSRF_COOKIE_SECURE
False
CSRF_FAILURE_VIEW
'django.views.csrf.csrf_failure'
CSRF_HEADER_NAME
'HTTP_X_CSRFTOKEN'
CSRF_TRUSTED_ORIGINS
[]
CSRF_USE_SESSIONS
False
DATABASES
{'default': {'ATOMIC_REQUESTS': False,
             'AUTOCOMMIT': True,
             'CONN_MAX_AGE': 0,
             'ENGINE': 'django.db.backends.mysql',
             'HOST': 'ilinkdb.mysql.database.azure.com',
             'NAME': 'newlinkcollege',
             'OPTIONS': {'ssl': {'ca': '/opt/project/ilinkdb/ilinkdb/cert/DigiCertGlobalRootCA.crt.pem'}},
             'PASSWORD': '********************',
             'PORT': '3306',
             'TEST': {'CHARSET': None,
                      'COLLATION': None,
                      'MIGRATE': True,
                      'MIRROR': None,
                      'NAME': None},
             'TIME_ZONE': None,
             'USER': 'ilink'}}
DATABASE_ROUTERS
[]
DATA_UPLOAD_MAX_MEMORY_SIZE
2621440
DATA_UPLOAD_MAX_NUMBER_FIELDS
1000
DATETIME_FORMAT
'N j, Y, P'
DATETIME_INPUT_FORMATS
['%Y-%m-%d %H:%M:%S',
 '%Y-%m-%d %H:%M:%S.%f',
 '%Y-%m-%d %H:%M',
 '%m/%d/%Y %H:%M:%S',
 '%m/%d/%Y %H:%M:%S.%f',
 '%m/%d/%Y %H:%M',
 '%m/%d/%y %H:%M:%S',
 '%m/%d/%y %H:%M:%S.%f',
 '%m/%d/%y %H:%M']
DATE_FORMAT
'N j, Y'
DATE_INPUT_FORMATS
['%Y-%m-%d',
 '%m/%d/%Y',
 '%m/%d/%y',
 '%b %d %Y',
 '%b %d, %Y',
 '%d %b %Y',
 '%d %b, %Y',
 '%B %d %Y',
 '%B %d, %Y',
 '%d %B %Y',
 '%d %B, %Y']
DEBUG
True
DEBUG_PROPAGATE_EXCEPTIONS
False
DECIMAL_SEPARATOR
'.'
DEFAULT_AUTO_FIELD
'django.db.models.BigAutoField'
DEFAULT_CHARSET
'utf-8'
DEFAULT_EXCEPTION_REPORTER
'django.views.debug.ExceptionReporter'
DEFAULT_EXCEPTION_REPORTER_FILTER
'django.views.debug.SafeExceptionReporterFilter'
DEFAULT_FILE_STORAGE
'django.core.files.storage.FileSystemStorage'
DEFAULT_FROM_EMAIL
'webmaster@localhost'
DEFAULT_INDEX_TABLESPACE
''
DEFAULT_TABLESPACE
''
DISALLOWED_USER_AGENTS
[]
EMAIL_BACKEND
'django.core.mail.backends.smtp.EmailBackend'
EMAIL_FROM
'support@coolearn.ca'
EMAIL_HOST
'smtp.office365.com'
EMAIL_HOST_PASSWORD
'********************'
EMAIL_HOST_USER
'support@coolearn.ca'
EMAIL_PORT
587
EMAIL_SSL_CERTFILE
None
EMAIL_SSL_KEYFILE
'********************'
EMAIL_SUBJECT_PREFIX
'[Django] '
EMAIL_TIMEOUT
None
EMAIL_USE_LOCALTIME
False
EMAIL_USE_SSL
False
EMAIL_USE_TLS
True
FILE_UPLOAD_DIRECTORY_PERMISSIONS
None
FILE_UPLOAD_HANDLERS
['django.core.files.uploadhandler.MemoryFileUploadHandler',
 'django.core.files.uploadhandler.TemporaryFileUploadHandler']
FILE_UPLOAD_MAX_MEMORY_SIZE
2621440
FILE_UPLOAD_PERMISSIONS
420
FILE_UPLOAD_TEMP_DIR
None
FIRST_DAY_OF_WEEK
0
FIXTURE_DIRS
[]
FORCE_SCRIPT_NAME
None
FORMAT_MODULE_PATH
None
FORM_RENDERER
'django.forms.renderers.DjangoTemplates'
IGNORABLE_404_URLS
[]
INSTALLED_APPS
['simpleui',
 'django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'apps',
 'tinymce',
 'django_summernote',
 'userinfo',
 'base',
 'course',
 'cart',
 'videoset',
 'events']
INTERNAL_IPS
[]
LANGUAGES
[('zh-Hans', '中文简体'), ('en', 'English'), ('zh-Hant', '中文繁體')]
LANGUAGES_BIDI
['he', 'ar', 'ar-dz', 'fa', 'ur']
LANGUAGE_CODE
'zh-hans'
LANGUAGE_COOKIE_AGE
None
LANGUAGE_COOKIE_DOMAIN
None
LANGUAGE_COOKIE_HTTPONLY
False
LANGUAGE_COOKIE_NAME
'django_language'
LANGUAGE_COOKIE_PATH
'/'
LANGUAGE_COOKIE_SAMESITE
None
LANGUAGE_COOKIE_SECURE
False
LOCALE_PATHS
('/opt/project/newlinkcollege/newlinkcollege/locale',)
LOGGING
{}
LOGGING_CONFIG
'logging.config.dictConfig'
LOGIN_REDIRECT_URL
'/accounts/profile/'
LOGIN_URL
'/accounts/login/'
LOGOUT_REDIRECT_URL
None
MANAGERS
[]
MEDIA_ROOT
'/opt/project/newlinkcollege/newlinkcollege/media/'
MEDIA_URL
'/media/'
MESSAGE_STORAGE
'django.contrib.messages.storage.fallback.FallbackStorage'
MIDDLEWARE
['django.middleware.security.SecurityMiddleware',
 'django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.locale.LocaleMiddleware',
 'django.middleware.common.CommonMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware']
MIGRATION_MODULES
{}
MONTH_DAY_FORMAT
'F j'
NUMBER_GROUPING
0
PARTNER_CODE
'ZZZ6'
PASSWORD_HASHERS
'********************'
PASSWORD_RESET_TIMEOUT
'********************'
PREPEND_WWW
False
ROOT_URLCONF
'newlinkcollege.urls'
SECRET_KEY
'********************'
SECURE_CONTENT_TYPE_NOSNIFF
True
SECURE_CROSS_ORIGIN_OPENER_POLICY
'same-origin'
SECURE_HSTS_INCLUDE_SUBDOMAINS
False
SECURE_HSTS_PRELOAD
False
SECURE_HSTS_SECONDS
0
SECURE_PROXY_SSL_HEADER
None
SECURE_REDIRECT_EXEMPT
[]
SECURE_REFERRER_POLICY
'same-origin'
SECURE_SSL_HOST
None
SECURE_SSL_REDIRECT
False
SERVERURL
'http://demo.newlinkcollege.com/'
SERVER_EMAIL
'root@localhost'
SERVICE_CHOICES
(('0', '關於我們'),
 ('1', 'ELL'),
 ('2', '雅思'),
 ('3', 'BC省新省考'),
 ('4', '文學閱讀/寫作'),
 ('5', '數理化 AP/IB'),
 ('6', '大專'))
SESSION_CACHE_ALIAS
'default'
SESSION_COOKIE_AGE
1209600
SESSION_COOKIE_DOMAIN
None
SESSION_COOKIE_HTTPONLY
True
SESSION_COOKIE_NAME
'sessionid'
SESSION_COOKIE_PATH
'/'
SESSION_COOKIE_SAMESITE
'Lax'
SESSION_COOKIE_SECURE
False
SESSION_ENGINE
'django.contrib.sessions.backends.db'
SESSION_EXPIRE_AT_BROWSER_CLOSE
False
SESSION_FILE_PATH
None
SESSION_SAVE_EVERY_REQUEST
False
SESSION_SERIALIZER
'django.contrib.sessions.serializers.JSONSerializer'
SETTINGS_MODULE
'newlinkcollege.settings'
SHORT_DATETIME_FORMAT
'm/d/Y P'
SHORT_DATE_FORMAT
'm/d/Y'
SIGNING_BACKEND
'django.core.signing.TimestampSigner'
SILENCED_SYSTEM_CHECKS
[]
STATICFILES_DIRS
[]
STATICFILES_FINDERS
['django.contrib.staticfiles.finders.FileSystemFinder',
 'django.contrib.staticfiles.finders.AppDirectoriesFinder']
STATICFILES_STORAGE
'django.contrib.staticfiles.storage.StaticFilesStorage'
STATIC_ROOT
'/opt/project/newlinkcollege/newlinkcollege/static/'
STATIC_URL
'/static/'
TEMPLATES
[{'APP_DIRS': True,
  'BACKEND': 'django.template.backends.django.DjangoTemplates',
  'DIRS': [PosixPath('/opt/project/newlinkcollege/newlinkcollege/templates')],
  'OPTIONS': {'context_processors': ['django.template.context_processors.i18n',
                                     'django.template.context_processors.debug',
                                     'django.template.context_processors.request',
                                     'django.contrib.auth.context_processors.auth',
                                     'django.contrib.messages.context_processors.messages',
                                     'django.template.context_processors.media']}}]
TEST_NON_SERIALIZED_APPS
[]
TEST_RUNNER
'django.test.runner.DiscoverRunner'
THOUSAND_SEPARATOR
','
TIME_FORMAT
'P'
TIME_INPUT_FORMATS
['%H:%M:%S', '%H:%M:%S.%f', '%H:%M']
TIME_ZONE
'America/Vancouver'
TINYMCE_DEFAULT_CONFIG
{'convert_urls': False,
 'force_p_newlines': False,
 'forced_root_block': '',
 'images_upload_url': '/upload_image/',
 'imageupload_url': '/upload_img/',
 'language': 'zh_CN',
 'plugins': 'advlist,autolink,lists,link,image,charmap,print,preview,anchor,searchreplace,visualblocks,code,fullscreen,insertdatetime,media,table,paste,axupimgs,wordcount,bdmap,',
 'remove_script_host': False,
 'theme': 'silver',
 'toolbar': 'undo redo | link | bold italic | styleselect fontselect '
            'fontsizeselect | bullist numlist outdent indent | alignleft '
            'aligncenter alignright alignjustify | print preview media | '
            'forecolor backcolor emoticons | bdmap | wordcount'}
USE_DEPRECATED_PYTZ
False
USE_I18N
True
USE_L10N
True
USE_THOUSAND_SEPARATOR
False
USE_TZ
True
USE_X_FORWARDED_HOST
False
USE_X_FORWARDED_PORT
False
WSGI_APPLICATION
'newlinkcollege.wsgi.application'
X_FRAME_OPTIONS
'DENY'
YEAR_MONTH_FORMAT
'F Y'

You’re seeing this error because you have DEBUG = True in your Django settings file. Change that to False, and Django will display a standard page generated by the handler for this status code.