KeyError at /

'HTTP_ACCEPT_LANGUAGE'
Request Method: GET
Request URL: http://quiz.lswi.de/
Django Version: 3.1.7
Exception Type: KeyError
Exception Value:
'HTTP_ACCEPT_LANGUAGE'
Exception Location: /projects/django/hoersaalquiz/webapp/views.py, line 190, in get
Python Executable: /usr/bin/python3
Python Version: 3.7.3
Python Path:
['/projects/django/hoersaalquiz',
 '/usr/lib/python37.zip',
 '/usr/lib/python3.7',
 '/usr/lib/python3.7/lib-dynload',
 '/usr/local/lib/python3.7/dist-packages',
 '/usr/lib/python3/dist-packages']
Server time: Fri, 29 Mar 2024 05:54:39 +0100

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
'text/plain'
DJANGO_SETTINGS_MODULE
'hoersaalquiz.settings'
GATEWAY_INTERFACE
'CGI/1.1'
HOME
'/home/ladmin'
HTTP_ACCEPT
'*/*'
HTTP_CONNECTION
'close'
HTTP_HOST
'quiz.lswi.de'
HTTP_USER_AGENT
'claudebot'
HTTP_X_FORWARDED_FOR
'54.147.17.95'
LANG
'de_DE.UTF-8'
LOGNAME
'ladmin'
LS_COLORS
'rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=00:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arc=01;31:*.arj=01;31:*.taz=01;31:*.lha=01;31:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.tzo=01;31:*.t7z=01;31:*.zip=01;31:*.z=01;31:*.dz=01;31:*.gz=01;31:*.lrz=01;31:*.lz=01;31:*.lzo=01;31:*.xz=01;31:*.zst=01;31:*.tzst=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.alz=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.cab=01;31:*.wim=01;31:*.swm=01;31:*.dwm=01;31:*.esd=01;31:*.jpg=01;35:*.jpeg=01;35:*.mjpg=01;35:*.mjpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=00;36:*.au=00;36:*.flac=00;36:*.m4a=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.oga=00;36:*.opus=00;36:*.spx=00;36:*.xspf=00;36:'
MAIL
'/var/mail/ladmin'
OLDPWD
'/home/ladmin'
PATH
'/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games'
PATH_INFO
'/'
PWD
'/projects/django/hoersaalquiz'
QUERY_STRING
''
REMOTE_ADDR
'127.0.0.1'
REMOTE_HOST
''
REQUEST_METHOD
'GET'
RUN_MAIN
'true'
SCRIPT_NAME
''
SERVER_NAME
'localhost'
SERVER_PORT
'8000'
SERVER_PROTOCOL
'HTTP/1.0'
SERVER_SOFTWARE
'WSGIServer/0.2'
SHELL
'/bin/bash'
SHLVL
'2'
SSH_CLIENT
'141.89.46.245 65168 22'
SSH_CONNECTION
'141.89.46.245 65168 141.89.39.52 22'
SSH_TTY
'/dev/pts/0'
STY
'744.pts-0.quizen'
TERM
'screen.xterm-256color'
TERMCAP
('SC|screen.xterm-256color|VT 100/ANSI X3.64 virtual terminal:\\\n'
 '\t:DO=\\E[%dB:LE=\\E[%dD:RI=\\E[%dC:UP=\\E[%dA:bs:bt=\\E[Z:\\\n'
 '\t:cd=\\E[J:ce=\\E[K:cl=\\E[H\\E[J:cm=\\E[%i%d;%dH:ct=\\E[3g:\\\n'
 '\t:do=^J:nd=\\E[C:pt:rc=\\E8:rs=\\Ec:sc=\\E7:st=\\EH:up=\\EM:\\\n'
 '\t:le=^H:bl=^G:cr=^M:it#8:ho=\\E[H:nw=\\EE:ta=^I:is=\\E)0:\\\n'
 '\t:li#46:co#233:am:xn:xv:LP:sr=\\EM:al=\\E[L:AL=\\E[%dL:\\\n'
 '\t:cs=\\E[%i%d;%dr:dl=\\E[M:DL=\\E[%dM:dc=\\E[P:DC=\\E[%dP:\\\n'
 '\t:im=\\E[4h:ei=\\E[4l:mi:IC=\\E[%d@:ks=\\E[?1h\\E=:\\\n'
 '\t:ke=\\E[?1l\\E>:vi=\\E[?25l:ve=\\E[34h\\E[?25h:vs=\\E[34l:\\\n'
 '\t:ti=\\E[?1049h:te=\\E[?1049l:us=\\E[4m:ue=\\E[24m:so=\\E[3m:\\\n'
 '\t:se=\\E[23m:mb=\\E[5m:md=\\E[1m:mh=\\E[2m:mr=\\E[7m:\\\n'
 '\t:me=\\E[m:ms:\\\n'
 '\t:Co#8:pa#64:AF=\\E[3%dm:AB=\\E[4%dm:op=\\E[39;49m:AX:\\\n'
 '\t:vb=\\Eg:G0:as=\\E(0:ae=\\E(B:\\\n'
 '\t'
 ':ac=\\140\\140aaffggjjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~..--++,,hhII00:\\\n'
 '\t:po=\\E[5i:pf=\\E[4i:Km=\\E[M:k0=\\E[10~:k1=\\EOP:k2=\\EOQ:\\\n'
 '\t:k3=\\EOR:k4=\\EOS:k5=\\E[15~:k6=\\E[17~:k7=\\E[18~:\\\n'
 '\t:k8=\\E[19~:k9=\\E[20~:k;=\\E[21~:F1=\\E[23~:F2=\\E[24~:\\\n'
 '\t:F3=\\E[1;2P:F4=\\E[1;2Q:F5=\\E[1;2R:F6=\\E[1;2S:\\\n'
 '\t:F7=\\E[15;2~:F8=\\E[17;2~:F9=\\E[18;2~:FA=\\E[19;2~:\\\n'
 '\t:FB=\\E[20;2~:FC=\\E[21;2~:FD=\\E[23;2~:FE=\\E[24;2~:kb=\x7f:\\\n'
 '\t:K2=\\EOE:kB=\\E[Z:kF=\\E[1;2B:kR=\\E[1;2A:*4=\\E[3;2~:\\\n'
 '\t:*7=\\E[1;2F:#2=\\E[1;2H:#3=\\E[2;2~:#4=\\E[1;2D:%c=\\E[6;2~:\\\n'
 '\t:%e=\\E[5;2~:%i=\\E[1;2C:kh=\\E[1~:@1=\\E[1~:kH=\\E[4~:\\\n'
 '\t:@7=\\E[4~:kN=\\E[6~:kP=\\E[5~:kI=\\E[2~:kD=\\E[3~:ku=\\EOA:\\\n'
 '\t:kd=\\EOB:kr=\\EOC:kl=\\EOD:km:')
TZ
'Europe/Berlin'
USER
'ladmin'
WINDOW
'0'
XDG_RUNTIME_DIR
'/run/user/1000'
XDG_SESSION_CLASS
'user'
XDG_SESSION_ID
'1'
XDG_SESSION_TYPE
'tty'
_
'/usr/bin/python3'
wsgi.errors
<_io.TextIOWrapper name='<stderr>' mode='w' encoding='UTF-8'>
wsgi.file_wrapper
<class 'wsgiref.util.FileWrapper'>
wsgi.input
<django.core.handlers.wsgi.LimitedStream object at 0x7f9574a27f98>
wsgi.multiprocess
False
wsgi.multithread
True
wsgi.run_once
False
wsgi.url_scheme
'http'
wsgi.version
(1, 0)

Settings

Using settings module hoersaalquiz.settings

Setting Value
ABSOLUTE_URL_OVERRIDES
{}
ADMINS
[]
ALLOWED_HOSTS
['*']
APPEND_SLASH
True
AUTHENTICATION_BACKENDS
['django.contrib.auth.backends.ModelBackend']
AUTH_PASSWORD_VALIDATORS
'********************'
AUTH_USER_MODEL
'auth.User'
BASE_DIR
'/projects/django/hoersaalquiz/hoersaalquiz'
CACHES
{'default': {'BACKEND': 'django.core.cache.backends.locmem.LocMemCache'}}
CACHE_MIDDLEWARE_ALIAS
'default'
CACHE_MIDDLEWARE_KEY_PREFIX
'********************'
CACHE_MIDDLEWARE_SECONDS
600
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.sqlite3',
             'HOST': '',
             'NAME': '/projects/django/hoersaalquiz/hoersaalquiz/db.sqlite3',
             'OPTIONS': {},
             'PASSWORD': '********************',
             'PORT': '',
             'TEST': {'CHARSET': None,
                      'COLLATION': None,
                      'MIGRATE': True,
                      'MIRROR': None,
                      'NAME': None},
             'TIME_ZONE': None,
             'USER': ''}}
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_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_HASHING_ALGORITHM
'sha256'
DEFAULT_INDEX_TABLESPACE
''
DEFAULT_TABLESPACE
''
DISALLOWED_USER_AGENTS
[]
EMAIL_BACKEND
'django.core.mail.backends.smtp.EmailBackend'
EMAIL_HOST
'localhost'
EMAIL_HOST_PASSWORD
'********************'
EMAIL_HOST_USER
''
EMAIL_PORT
25
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
False
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
('django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'rest_framework',
 'rest_framework.authtoken',
 'hoersaalquiz',
 'tutor',
 'quiz',
 'webapp',
 'quickcheck',
 'feedback',
 'panic')
INTERNAL_IPS
[]
LANGUAGES
[('de', 'German'), ('en', 'English'), ('fr', 'French')]
LANGUAGES_BIDI
['he', 'ar', 'ar-dz', 'fa', 'ur']
LANGUAGE_CODE
'en'
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
('/projects/django/hoersaalquiz/locale/',)
LOGGING
{'disable_existing_loggers': False,
 'formatters': {'simple': {'datefmt': '%d/%b/%Y %H:%M:%S',
                           'format': '[%(asctime)s] %(levelname)s %(message)s'},
                'verbose': {'datefmt': '%d/%b/%Y %H:%M:%S',
                            'format': '[%(asctime)s] %(levelname)s '
                                      '[%(name)s:%(lineno)s] %(message)s'}},
 'handlers': {'file': {'class': 'logging.FileHandler',
                       'filename': 'logs/django.log',
                       'formatter': 'verbose',
                       'level': 'DEBUG'}},
 'loggers': {'django': {'handlers': ['file'],
                        'level': 'DEBUG',
                        'propagate': True}},
 'version': 1}
LOGGING_CONFIG
'logging.config.dictConfig'
LOGIN_REDIRECT_URL
'/accounts/profile/'
LOGIN_URL
'/accounts/login/'
LOGOUT_REDIRECT_URL
None
MANAGERS
[]
MEDIA_ROOT
''
MEDIA_URL
'/'
MESSAGE_STORAGE
'django.contrib.messages.storage.fallback.FallbackStorage'
MIDDLEWARE
('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',
 'django.middleware.clickjacking.XFrameOptionsMiddleware')
MIGRATION_MODULES
{}
MONTH_DAY_FORMAT
'F j'
NUMBER_GROUPING
0
PASSWORD_HASHERS
'********************'
PASSWORD_RESET_TIMEOUT
'********************'
PASSWORD_RESET_TIMEOUT_DAYS
'********************'
PREPEND_WWW
False
PROJECT_DIR
'/projects/django/hoersaalquiz/hoersaalquiz/settings'
REST_FRAMEWORK
{}
ROOT_URLCONF
'hoersaalquiz.urls'
SECRET_KEY
'********************'
SECURE_BROWSER_XSS_FILTER
False
SECURE_CONTENT_TYPE_NOSNIFF
True
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
SERVER_EMAIL
'root@localhost'
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
'hoersaalquiz.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
('static',)
STATICFILES_FINDERS
('django.contrib.staticfiles.finders.FileSystemFinder',
 'django.contrib.staticfiles.finders.AppDirectoriesFinder')
STATICFILES_STORAGE
'django.contrib.staticfiles.storage.StaticFilesStorage'
STATIC_ROOT
'/projects/django/hoersaalquiz/hoersaalquiz/staticfiles/'
STATIC_URL
'/static/'
TEMPLATES
[{'APP_DIRS': True,
  'BACKEND': 'django.template.backends.django.DjangoTemplates',
  'DIRS': ['/projects/django/hoersaalquiz/hoersaalquiz/templates'],
  'OPTIONS': {'context_processors': ['django.template.context_processors.debug',
                                     'django.template.context_processors.request',
                                     'django.contrib.auth.context_processors.auth',
                                     'django.contrib.messages.context_processors.messages']}}]
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
'Europe/Berlin'
USE_I18N
True
USE_L10N
True
USE_THOUSAND_SEPARATOR
False
USE_TZ
False
USE_X_FORWARDED_HOST
False
USE_X_FORWARDED_PORT
False
WSGI_APPLICATION
'hoersaalquiz.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.