NoReverseMatch at /
'learning_logs' is not a registered namespace
Request Method: GET
Request URL: http://127.0.0.1:8000/
Django Version: 2.0.10
Exception Type: NoReverseMatch
Exception Value:
'learning_logs' is not a registered namespace
Exception Location: e:\learn\learning_log\ll_env\lib\site-packages\django\urls\base.py in reverse, line 86
Python Executable: e:\learn\learning_log\ll_env\Scripts\python.exe
Python Version: 3.4.2
Python Path:
['e:\\learn\\learning_log',
'C:\\Windows\\system32\\python34.zip',
'C:\\Python34\\DLLs',
'C:\\Python34\\lib',
'C:\\Python34',
'e:\\learn\\learning_log\\ll_env',
'e:\\learn\\learning_log\\ll_env\\lib\\site-packages']
Server time: Thu, 15 May 2025 01:52:30 +0000
Error during template rendering
In template e:\learn\learning_log\learning_logs\templates\learning_logs\base.html, error at line 3
'learning_logs' is not a registered namespace
1 <p>
2 <a href="{% url 'learning_logs:index' % }"> Learning Log</a> -
3 <a href="{% url 'learning_logs:topics' %}">Topics</a>
4 </p>
5
6 {% block content %} {% endblock content %}
7
Traceback Switch to copy-and-paste view
e:\learn\learning_log\ll_env\lib\site-packages\django\urls\base.py in reverse
extra, resolver = resolver.namespace_dict[ns] ...
▶ Local vars
During handling of the above exception ('learning_logs'), another exception occurred:
e:\learn\learning_log\ll_env\lib\site-packages\django\core\handlers\exception.py in inner
response = get_response(request) ...
▶ Local vars
e:\learn\learning_log\ll_env\lib\site-packages\django\core\handlers\base.py in _get_response
response = self.process_exception_by_middleware(e, request) ...
▶ Local vars
e:\learn\learning_log\ll_env\lib\site-packages\django\core\handlers\base.py in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs) ...
▶ Local vars
e:\learn\learning_log\learning_logs\views.py in index
return render(request,'learning_logs/index.html') ...
▶ Local vars
e:\learn\learning_log\ll_env\lib\site-packages\django\shortcuts.py in render
content = loader.render_to_string(template_name, context, request, using=using) ...
▶ Local vars
e:\learn\learning_log\ll_env\lib\site-packages\django\template\loader.py in render_to_string
return template.render(context, request) ...
▶ Local vars
e:\learn\learning_log\ll_env\lib\site-packages\django\template\backends\django.py in render
return self.template.render(context) ...
▶ Local vars
e:\learn\learning_log\ll_env\lib\site-packages\django\template\base.py in render
return self._render(context) ...
▶ Local vars
e:\learn\learning_log\ll_env\lib\site-packages\django\template\base.py in _render
return self.nodelist.render(context) ...
▶ Local vars
e:\learn\learning_log\ll_env\lib\site-packages\django\template\base.py in render
bit = node.render_annotated(context) ...
▶ Local vars
e:\learn\learning_log\ll_env\lib\site-packages\django\template\base.py in render_annotated
return self.render(context) ...
▶ Local vars
e:\learn\learning_log\ll_env\lib\site-packages\django\template\loader_tags.py in render
return compiled_parent._render(context) ...
▶ Local vars
e:\learn\learning_log\ll_env\lib\site-packages\django\template\base.py in _render
return self.nodelist.render(context) ...
▶ Local vars
e:\learn\learning_log\ll_env\lib\site-packages\django\template\base.py in render
bit = node.render_annotated(context) ...
▶ Local vars
e:\learn\learning_log\ll_env\lib\site-packages\django\template\base.py in render_annotated
return self.render(context) ...
▶ Local vars
e:\learn\learning_log\ll_env\lib\site-packages\django\template\defaulttags.py in render
url = reverse(view_name, args=args, kwargs=kwargs, current_app=current_app) ...
▶ Local vars
e:\learn\learning_log\ll_env\lib\site-packages\django\urls\base.py in reverse
raise NoReverseMatch("%s is not a registered namespace" % key) ...
▶ Local vars
Request information
USER
AnonymousUser
GET
No GET data
POST
No POST data
FILES
No FILES data
COOKIES
No cookie data
META
Variable Value
#ENVTSLOGRBCSHELLEXT2372
'2554864'
ALLUSERSPROFILE
'C:\\ProgramData'
APPDATA
'C:\\Users\\ABCDC\\AppData\\Roaming'
COMMONPROGRAMFILES
'C:\\Program Files\\Common Files'
COMMONPROGRAMFILES(X86)
'C:\\Program Files (x86)\\Common Files'
COMMONPROGRAMW6432
'C:\\Program Files\\Common Files'
COMPUTERNAME
'ABCDC-PC'
COMSPEC
'C:\\Windows\\system32\\cmd.exe'
CONTENT_LENGTH
''
CONTENT_TYPE
'text/plain'
DJANGO_SETTINGS_MODULE
'learning_log.settings'
FP_NO_HOST_CHECK
'NO'
GATEWAY_INTERFACE
'CGI/1.1'
HOMEDRIVE
'C:'
HOMEPATH
'\\Users\\ABCDC'
HTTP_ACCEPT
'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9'
HTTP_ACCEPT_ENCODING
'gzip, deflate, br'
HTTP_ACCEPT_LANGUAGE
'zh-CN,zh;q=0.9'
HTTP_CACHE_CONTROL
'max-age=0'
HTTP_CONNECTION
'keep-alive'
HTTP_HOST
'127.0.0.1:8000'
HTTP_SEC_CH_UA
'"Not_A Brand";v="99", "Google Chrome";v="109", "Chromium";v="109"'
HTTP_SEC_CH_UA_MOBILE
'?0'
HTTP_SEC_CH_UA_PLATFORM
'"Windows"'
HTTP_SEC_FETCH_DEST
'document'
HTTP_SEC_FETCH_MODE
'navigate'
HTTP_SEC_FETCH_SITE
'none'
HTTP_SEC_FETCH_USER
'?1'
HTTP_UPGRADE_INSECURE_REQUESTS
'1'
HTTP_USER_AGENT
'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like '
'Gecko) Chrome/109.0.0.0 Safari/537.36'
LOCALAPPDATA
'C:\\Users\\ABCDC\\AppData\\Local'
LOGONSERVER
'\\\\ABCDC-PC'
NUMBER_OF_PROCESSORS
'4'
OS
'Windows_NT'
PATH
'e:\\learn\\learning_log\\ll_env\\Scripts;C:\\Python34\\;C:\\Python34\\Scripts;C:\\Program '
'Files (x86)\\Intel\\iCLS Client\\;C:\\Program Files\\Intel\\iCLS '
'Client\\;C:\\Windows\\system32;C:\\Windows;C:\\Windows\\System32\\Wbem;C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\;C:\\Program '
'Files\\Intel\\WiFi\\bin\\;C:\\Program Files\\Common '
'Files\\Intel\\WirelessCommon\\;C:\\Program Files\\Intel\\Intel(R) Management '
'Engine Components\\DAL;C:\\Program Files\\Intel\\Intel(R) Management Engine '
'Components\\IPT;C:\\Program Files (x86)\\Intel\\Intel(R) Management Engine '
'Components\\DAL;C:\\Program Files (x86)\\Intel\\Intel(R) Management Engine '
'Components\\IPT;C:\\Program Files\\Intel\\WiFi\\bin\\;C:\\Program '
'Files\\Common Files\\Intel\\WirelessCommon\\;C:\\Wind\\WFC\\bin\\'
PATHEXT
'.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC;.PY'
PATH_INFO
'/'
PROCESSOR_ARCHITECTURE
'AMD64'
PROCESSOR_IDENTIFIER
'Intel64 Family 6 Model 69 Stepping 1, GenuineIntel'
PROCESSOR_LEVEL
'6'
PROCESSOR_REVISION
'4501'
PROGRAMDATA
'C:\\ProgramData'
PROGRAMFILES
'C:\\Program Files'
PROGRAMFILES(X86)
'C:\\Program Files (x86)'
PROGRAMW6432
'C:\\Program Files'
PROMPT
'(ll_env) $P$G'
PSMODULEPATH
'C:\\Windows\\system32\\WindowsPowerShell\\v1.0\\Modules\\'
PUBLIC
'C:\\Users\\Public'
QUERY_STRING
''
REMOTE_ADDR
'127.0.0.1'
REMOTE_HOST
''
REQUEST_METHOD
'GET'
RUN_MAIN
'true'
SCRIPT_NAME
''
SERVER_NAME
'ABCDC-PC'
SERVER_PORT
'8000'
SERVER_PROTOCOL
'HTTP/1.1'
SERVER_SOFTWARE
'WSGIServer/0.2'
SESSIONNAME
'Console'
SHELLLAUNCH{A81BA54B-CCFE-4204-8E79-A68C0FDFA5CF}
'ShellExt'
SYSTEMDRIVE
'C:'
SYSTEMROOT
'C:\\Windows'
TEMP
'C:\\Users\\ABCDC\\AppData\\Local\\Temp'
TMP
'C:\\Users\\ABCDC\\AppData\\Local\\Temp'
USERDOMAIN
'ABCDC-PC'
USERNAME
'ABCDC'
USERPROFILE
'C:\\Users\\ABCDC'
VIRTUAL_ENV
'e:\\learn\\learning_log\\ll_env'
WINDIR
'C:\\Windows'
WINDOWS_TRACING_FLAGS
'3'
WINDOWS_TRACING_LOGFILE
'C:\\BVTBin\\Tests\\installpackage\\csilogfile.log'
_OLD_VIRTUAL_PATH
'C:\\Python34\\;C:\\Python34\\Scripts;C:\\Program Files (x86)\\Intel\\iCLS '
'Client\\;C:\\Program Files\\Intel\\iCLS '
'Client\\;C:\\Windows\\system32;C:\\Windows;C:\\Windows\\System32\\Wbem;C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\;C:\\Program '
'Files\\Intel\\WiFi\\bin\\;C:\\Program Files\\Common '
'Files\\Intel\\WirelessCommon\\;C:\\Program Files\\Intel\\Intel(R) Management '
'Engine Components\\DAL;C:\\Program Files\\Intel\\Intel(R) Management Engine '
'Components\\IPT;C:\\Program Files (x86)\\Intel\\Intel(R) Management Engine '
'Components\\DAL;C:\\Program Files (x86)\\Intel\\Intel(R) Management Engine '
'Components\\IPT;C:\\Program Files\\Intel\\WiFi\\bin\\;C:\\Program '
'Files\\Common Files\\Intel\\WirelessCommon\\;C:\\Wind\\WFC\\bin\\'
_OLD_VIRTUAL_PROMPT
'$P$G'
wsgi.errors
<_io.TextIOWrapper name='<stderr>' mode='w' encoding='cp936'>
wsgi.file_wrapper
''
wsgi.input
<_io.BufferedReader name=884>
wsgi.multiprocess
False
wsgi.multithread
True
wsgi.run_once
False
wsgi.url_scheme
'http'
wsgi.version
(1, 0)
Settings
Using settings module learning_log.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
'e:\\learn\\learning_log'
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_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': 'e:\\learn\\learning_log\\db.sqlite3',
'OPTIONS': {},
'PASSWORD': '********************',
'PORT': '',
'TEST': {'CHARSET': None,
'COLLATION': None,
'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',
'%Y-%m-%d',
'%m/%d/%Y %H:%M:%S',
'%m/%d/%Y %H:%M:%S.%f',
'%m/%d/%Y %H:%M',
'%m/%d/%Y',
'%m/%d/%y %H:%M:%S',
'%m/%d/%y %H:%M:%S.%f',
'%m/%d/%y %H:%M',
'%m/%d/%y']
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_CONTENT_TYPE
'text/html'
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_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_CHARSET
'utf-8'
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
None
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',
'learning_logs']
INTERNAL_IPS
[]
LANGUAGES
[('af', 'Afrikaans'),
('ar', 'Arabic'),
('ast', 'Asturian'),
('az', 'Azerbaijani'),
('bg', 'Bulgarian'),
('be', 'Belarusian'),
('bn', 'Bengali'),
('br', 'Breton'),
('bs', 'Bosnian'),
('ca', 'Catalan'),
('cs', 'Czech'),
('cy', 'Welsh'),
('da', 'Danish'),
('de', 'German'),
('dsb', 'Lower Sorbian'),
('el', 'Greek'),
('en', 'English'),
('en-au', 'Australian English'),
('en-gb', 'British English'),
('eo', 'Esperanto'),
('es', 'Spanish'),
('es-ar', 'Argentinian Spanish'),
('es-co', 'Colombian Spanish'),
('es-mx', 'Mexican Spanish'),
('es-ni', 'Nicaraguan Spanish'),
('es-ve', 'Venezuelan Spanish'),
('et', 'Estonian'),
('eu', 'Basque'),
('fa', 'Persian'),
('fi', 'Finnish'),
('fr', 'French'),
('fy', 'Frisian'),
('ga', 'Irish'),
('gd', 'Scottish Gaelic'),
('gl', 'Galician'),
('he', 'Hebrew'),
('hi', 'Hindi'),
('hr', 'Croatian'),
('hsb', 'Upper Sorbian'),
('hu', 'Hungarian'),
('ia', 'Interlingua'),
('id', 'Indonesian'),
('io', 'Ido'),
('is', 'Icelandic'),
('it', 'Italian'),
('ja', 'Japanese'),
('ka', 'Georgian'),
('kab', 'Kabyle'),
('kk', 'Kazakh'),
('km', 'Khmer'),
('kn', 'Kannada'),
('ko', 'Korean'),
('lb', 'Luxembourgish'),
('lt', 'Lithuanian'),
('lv', 'Latvian'),
('mk', 'Macedonian'),
('ml', 'Malayalam'),
('mn', 'Mongolian'),
('mr', 'Marathi'),
('my', 'Burmese'),
('nb', 'Norwegian Bokmål'),
('ne', 'Nepali'),
('nl', 'Dutch'),
('nn', 'Norwegian Nynorsk'),
('os', 'Ossetic'),
('pa', 'Punjabi'),
('pl', 'Polish'),
('pt', 'Portuguese'),
('pt-br', 'Brazilian Portuguese'),
('ro', 'Romanian'),
('ru', 'Russian'),
('sk', 'Slovak'),
('sl', 'Slovenian'),
('sq', 'Albanian'),
('sr', 'Serbian'),
('sr-latn', 'Serbian Latin'),
('sv', 'Swedish'),
('sw', 'Swahili'),
('ta', 'Tamil'),
('te', 'Telugu'),
('th', 'Thai'),
('tr', 'Turkish'),
('tt', 'Tatar'),
('udm', 'Udmurt'),
('uk', 'Ukrainian'),
('ur', 'Urdu'),
('vi', 'Vietnamese'),
('zh-hans', 'Simplified Chinese'),
('zh-hant', 'Traditional Chinese')]
LANGUAGES_BIDI
['he', 'ar', 'fa', 'ur']
LANGUAGE_CODE
'en-us'
LANGUAGE_COOKIE_AGE
None
LANGUAGE_COOKIE_DOMAIN
None
LANGUAGE_COOKIE_NAME
'django_language'
LANGUAGE_COOKIE_PATH
'/'
LOCALE_PATHS
[]
LOGGING
{}
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.middleware.security.SecurityMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'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_DAYS
'********************'
PREPEND_WWW
False
ROOT_URLCONF
'learning_log.urls'
SECRET_KEY
'********************'
SECURE_BROWSER_XSS_FILTER
False
SECURE_CONTENT_TYPE_NOSNIFF
False
SECURE_HSTS_INCLUDE_SUBDOMAINS
False
SECURE_HSTS_PRELOAD
False
SECURE_HSTS_SECONDS
0
SECURE_PROXY_SSL_HEADER
None
SECURE_REDIRECT_EXEMPT
[]
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_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
'learning_log.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
None
STATIC_URL
'/static/'
TEMPLATES
[{'APP_DIRS': True,
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': [],
'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
'UTC'
USE_ETAGS
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
'learning_log.wsgi.application'
X_FRAME_OPTIONS
'SAMEORIGIN'
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.