TypeError at /run/23114/export/

Argument must be string or unicode.
Request Method: GET
Request URL: https://tcms-stage.englab.bne.redhat.com/run/23114/export/?format=xml&
Django Version: 1.2.3
Exception Type: TypeError
Exception Value: 
Argument must be string or unicode.
Exception Location: /usr/lib/python2.4/site-packages/tcms/apps/testruns/helpers/serializer.py in write_to_xml, line 94
Python Executable: /usr/bin/python
Python Version: 2.4.3
Python Path: ['/usr/lib64/python24.zip', '/usr/lib64/python2.4', '/usr/lib64/python2.4/plat-linux2', '/usr/lib64/python2.4/lib-tk', '/usr/lib64/python2.4/lib-dynload', '/usr/lib64/python2.4/site-packages', '/usr/lib/python2.4/site-packages', '/usr/lib/python2.4/site-packages/tcms/core/lib']
Server time: Thu, 9 Aug 2012 14:40:02 +0800

Traceback Switch to copy-and-paste view

Request information

GET

Variable Value
format
u'xml'

POST

No POST data

FILES

No FILES data

Variable Value
s_vi
''
s_nr
'1343207438990'
rh_omni_tc
'70160000000H4AjAAK'
SESS60ca0fbd9e9889ff0cc6b5fc9b0fc0f3
'co3mpdoejsc3sv3cl0qm544i73'
s_vnum
'1345799161673%26vn%3D2'
sessionid
'd637c4c4ccedac5b2eee2817eff51f9e'
s_cc
'true'
s_sq
'%5B%5BB%5D%5D'
SSESS475ef4e7532e7b0aa18d3af05f60e9dd
'T7pTvbniXoTKMiCB2XX4sFyCS0sudFh8RPxPPV7lZKU'
csrftoken
'716b68288161d423858f4c9826459af0'
s_ria
'flash%2011%7Csilverlight%20not%20detected'

META

Variable Value
AUTH_TYPE
'Basic'
CSRF_COOKIE
'716b68288161d423858f4c9826459af0'
DOCUMENT_ROOT
'/var/www/html'
GATEWAY_INTERFACE
'CGI/1.1'
HTTPS
'on'
HTTP_ACCEPT
'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8'
HTTP_ACCEPT_ENCODING
'gzip, deflate'
HTTP_ACCEPT_LANGUAGE
'en-gb,en;q=0.5'
HTTP_AUTHORIZATION
'Basic amluZ3dhbmc6UmguMjI0NDEzNjc='
HTTP_CONNECTION
'keep-alive'
HTTP_COOKIE
'rh_omni_tc=70160000000H4AjAAK; s_vi=[CS]v1|27F3E1A7051D394F-60000143200075B3[CE]; csrftoken=716b68288161d423858f4c9826459af0; SESS60ca0fbd9e9889ff0cc6b5fc9b0fc0f3=co3mpdoejsc3sv3cl0qm544i73; s_nr=1343207438990; s_vnum=1345799161673%26vn%3D2; sessionid=d637c4c4ccedac5b2eee2817eff51f9e; SSESS475ef4e7532e7b0aa18d3af05f60e9dd=T7pTvbniXoTKMiCB2XX4sFyCS0sudFh8RPxPPV7lZKU; s_ria=flash%2011%7Csilverlight%20not%20detected; s_cc=true; s_sq=%5B%5BB%5D%5D'
HTTP_HOST
'tcms-stage.englab.bne.redhat.com'
HTTP_REFERER
'https://tcms-stage.englab.bne.redhat.com/run/23114/'
HTTP_USER_AGENT
'Mozilla/5.0 (X11; Linux i686; rv:14.0) Gecko/20100101 Firefox/14.0.1'
PATH_INFO
u'/run/23114/export/'
PATH_TRANSLATED
'/usr/lib/python2.4/site-packages/tcms/nitrate-wsgi.py/run/23114/export/'
QUERY_STRING
'format=xml&'
REMOTE_ADDR
'10.66.10.12'
REMOTE_PORT
'37417'
REMOTE_USER
'jingwang@REDHAT.COM'
REQUEST_METHOD
'GET'
REQUEST_URI
'/run/23114/export/?format=xml&'
SCRIPT_FILENAME
'/usr/lib/python2.4/site-packages/tcms/nitrate-wsgi.py'
SCRIPT_NAME
u''
SERVER_ADDR
'10.64.12.15'
SERVER_ADMIN
'sysadmin-engops@redhat.com'
SERVER_NAME
'tcms-stage.englab.bne.redhat.com'
SERVER_PORT
'443'
SERVER_PROTOCOL
'HTTP/1.1'
SERVER_SIGNATURE
''
SERVER_SOFTWARE
'Apache'
mod_wsgi.application_group
'tcms-stage.englab.bne.redhat.com|'
mod_wsgi.callable_object
'application'
mod_wsgi.handler_script
''
mod_wsgi.input_chunked
'0'
mod_wsgi.listener_host
''
mod_wsgi.listener_port
'443'
mod_wsgi.process_group
''
mod_wsgi.request_handler
'wsgi-script'
mod_wsgi.script_reloading
'1'
mod_wsgi.version
(3, 2)
wsgi.errors
<mod_wsgi.Log object at 0x2aaaacee20b0>
wsgi.file_wrapper
<built-in method file_wrapper of mod_wsgi.Adapter object at 0x2aaaace6ee40>
wsgi.input
<mod_wsgi.Input object at 0x2aaaacee2170>
wsgi.multiprocess
True
wsgi.multithread
False
wsgi.run_once
False
wsgi.url_scheme
'https'
wsgi.version
(1, 1)

Settings

Using settings module tcms.product_settings

Setting Value
ABSOLUTE_URL_OVERRIDES
{}
ADMINS
(('Chaobin Tang', 'ctang@redhat.com'), ('Jian Chen', 'jianchen@redhat.com'), ('Chenxiong Qi', 'cqi@redhat.com'))
ADMIN_FOR
()
ADMIN_MEDIA_PREFIX
'/admin_media/'
ADMIN_PREFIX
'/admin'
ALLOWED_INCLUDE_ROOTS
()
APPEND_SLASH
True
AUTHENTICATION_BACKENDS
('tcms.core.contrib.auth.backends.ModAuthKerbBackend',)
AUTH_PROFILE_MODULE
'profiles.UserProfile'
BANNED_IPS
()
BUGZILLA3_RPC_SERVER
'https://partner-bugzilla.redhat.com/xmlrpc.cgi'
BUGZILLA_PASSWORD
'********************'
BUGZILLA_URL
'https://bugzilla.redhat.com/'
BUGZILLA_USER
'tcms@redhat.com'
CACHE_BACKEND
'memcached://127.0.0.1:11211/'
CACHE_MIDDLEWARE_KEY_PREFIX
''
CACHE_MIDDLEWARE_SECONDS
600
CASE_DELETE_EMAIL_TEMPLATE
'mail/delete_case.txt'
CASE_EMAIL_TEMPLATE
'mail/edit_case.txt'
COMMENTS_ALLOW_PROFANITIES
False
COMMENTS_APP
'tcms.core.contrib.comments'
COMMENTS_BANNED_USERS_GROUP
None
COMMENTS_FIRST_FEW
0
COMMENTS_MODERATORS_GROUP
None
COMMENTS_SKETCHY_USERS_GROUP
None
CSRF_COOKIE_DOMAIN
None
CSRF_COOKIE_NAME
'csrftoken'
CSRF_FAILURE_VIEW
'django.views.csrf.csrf_failure'
DATABASES
{'default': {'ENGINE': 'django.db.backends.mysql', 'HOST': 'dbdevel.lab.eng.bne.redhat.com', 'NAME': 'testopia_stage', 'OPTIONS': {}, 'PASSWORD': '********************', 'PORT': '3306', 'TEST_CHARSET': None, 'TEST_COLLATION': None, 'TEST_MIRROR': None, 'TEST_NAME': None, 'TIME_ZONE': 'Asia/Shanghai', 'USER': 'nitrate_devel'}}
DATABASE_ENGINE
'mysql'
DATABASE_HOST
'dbdevel.lab.eng.bne.redhat.com'
DATABASE_NAME
'testopia_stage'
DATABASE_OPTIONS
{}
DATABASE_PASSWORD
'********************'
DATABASE_PORT
'3306'
DATABASE_ROUTERS
[]
DATABASE_USER
'nitrate_devel'
DATETIME_FORMAT
'N j, Y, P'
DATETIME_INPUT_FORMATS
('%Y-%m-%d %H:%M:%S', '%Y-%m-%d %H:%M', '%Y-%m-%d', '%m/%d/%Y %H:%M:%S', '%m/%d/%Y %H:%M', '%m/%d/%Y', '%m/%d/%y %H:%M:%S', '%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_LEVEL
0
DEBUG_LOG_FILE
'/var/log/shipshape.log'
DEBUG_PROPAGATE_EXCEPTIONS
False
DECIMAL_SEPARATOR
'.'
DEFAULT_CHARSET
'utf-8'
DEFAULT_CONTENT_TYPE
'text/html'
DEFAULT_FILE_STORAGE
'django.core.files.storage.FileSystemStorage'
DEFAULT_FROM_EMAIL
'webmaster@localhost'
DEFAULT_GROUPS
['default']
DEFAULT_INDEX_TABLESPACE
''
DEFAULT_TABLESPACE
''
DISALLOWED_USER_AGENTS
()
EMAILS_FOR_DEBUG
['ctang@redhat.com']
EMAIL_BACKEND
'django.core.mail.backends.smtp.EmailBackend'
EMAIL_FROM
'noreply@redhat.com'
EMAIL_HOST
'smtp.corp.redhat.com'
EMAIL_HOST_PASSWORD
'********************'
EMAIL_HOST_USER
''
EMAIL_PORT
25
EMAIL_SUBJECT_PREFIX
'[TCMS] '
EMAIL_USE_TLS
False
ERRATA_URL_PREFIX
'https://errata.devel.redhat.com/errata/stateview'
FILE_CHARSET
'utf-8'
FILE_UPLOAD_DIR
'/var/tmp/uploads'
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
FIRST_RUN
False
FIXTURE_DIRS
()
FOOTER_LINKS
(('mailto:tcms-dev-list@redhat.com', 'Contact developers'), ('mailto:eng-ops-appsupport@redhat.com', 'Request permissions'), ('https://bugzilla.redhat.com/enter_bug.cgi?product=TCMS&version=3.0', 'Report bug'), ('https://riddler.bne.redhat.com/TCMS-User_Guide/index.html', 'User guide'), ('http://survey.englab.nay.redhat.com/index.php?sid=14851&lang=en', 'Satisfaction Survey'), ('https://fedorahosted.org/nitrate/wiki', 'Release schedule'), ('/xmlrpc/', 'XML-RPC service'))
FORCE_SCRIPT_NAME
None
FORMAT_MODULE_PATH
None
IGNORABLE_404_ENDS
('mail.pl', 'mailform.pl', 'mail.cgi', 'mailform.cgi', 'favicon.ico', '.php')
IGNORABLE_404_STARTS
('/cgi-bin/', '/_vti_bin', '/_vti_inf')
INSTALLED_APPS
['django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.sites', 'django.contrib.admin', 'django.contrib.admindocs', 'django.contrib.comments', 'kobo.django.xmlrpc', 'tcms.apps.profiles', 'tcms.core', 'tcms.core.contrib.auth', 'tcms.core.contrib.comments', 'tcms.core.logs', 'tcms.apps.management', 'tcms.apps.testcases', 'tcms.apps.testplans', 'tcms.apps.testruns', 'tcms.apps.testreviews', 'tcms.core.lib.django-pagination.pagination', 'tcms.integration.djqpid', 'tcms.integration.apps.errata', 'tcms.core.contrib.linkreference', 'tcms.integration.apps.bugzilla']
INTERNAL_IPS
('127.0.0.1',)
KRB5_REALM
'REDHAT.COM'
LANGUAGES
(('ar', 'Arabic'), ('bg', 'Bulgarian'), ('bn', 'Bengali'), ('bs', 'Bosnian'), ('ca', 'Catalan'), ('cs', 'Czech'), ('cy', 'Welsh'), ('da', 'Danish'), ('de', 'German'), ('el', 'Greek'), ('en', 'English'), ('en-gb', 'British English'), ('es', 'Spanish'), ('es-ar', 'Argentinian Spanish'), ('et', 'Estonian'), ('eu', 'Basque'), ('fa', 'Persian'), ('fi', 'Finnish'), ('fr', 'French'), ('fy-nl', 'Frisian'), ('ga', 'Irish'), ('gl', 'Galician'), ('he', 'Hebrew'), ('hi', 'Hindi'), ('hr', 'Croatian'), ('hu', 'Hungarian'), ('id', 'Indonesian'), ('is', 'Icelandic'), ('it', 'Italian'), ('ja', 'Japanese'), ('ka', 'Georgian'), ('km', 'Khmer'), ('kn', 'Kannada'), ('ko', 'Korean'), ('lt', 'Lithuanian'), ('lv', 'Latvian'), ('mk', 'Macedonian'), ('ml', 'Malayalam'), ('mn', 'Mongolian'), ('nl', 'Dutch'), ('no', 'Norwegian'), ('nb', 'Norwegian Bokmal'), ('nn', 'Norwegian Nynorsk'), ('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'), ('ta', 'Tamil'), ('te', 'Telugu'), ('th', 'Thai'), ('tr', 'Turkish'), ('uk', 'Ukrainian'), ('vi', 'Vietnamese'), ('zh-cn', 'Simplified Chinese'), ('zh-tw', 'Traditional Chinese'))
LANGUAGES_BIDI
('he', 'ar', 'fa')
LANGUAGE_CODE
'en-us'
LANGUAGE_COOKIE_NAME
'django_language'
LISTENING_MODEL_SIGNAL
True
LOCALE_PATHS
()
LOGIN_REDIRECT_URL
'/accounts/profile/'
LOGIN_URL
'/accounts/login/'
LOGOUT_URL
'/accounts/logout/'
MANAGERS
()
MAX_UPLOAD_SIZE
5242880
MEDIA_ROOT
'/usr/share/nitrate/media/'
MEDIA_URL
'/media'
MESSAGE_STORAGE
'django.contrib.messages.storage.user_messages.LegacyFallbackStorage'
MIDDLEWARE_CLASSES
('django.middleware.common.CommonMiddleware', 'django.contrib.sessions.middleware.SessionMiddleware', 'django.contrib.auth.middleware.AuthenticationMiddleware', 'django.contrib.auth.middleware.RemoteUserMiddleware', 'tcms.core.middleware.CsrfDisableMiddleware', 'django.contrib.csrf.middleware.CsrfMiddleware', 'django.contrib.csrf.middleware.CsrfViewMiddleware', 'django.contrib.csrf.middleware.CsrfResponseMiddleware', 'tcms.core.lib.django-pagination.pagination.middleware.PaginationMiddleware')
MONTH_DAY_FORMAT
'F j'
MOTD_AUTH
'\n<p>This is the staging server for the production instance of the TCMS, \nconnected to a copy of the testopia database.</p>\n'
MOTD_LOGIN
'<p>This is the staging server of the TCMS (for testing).</p>\n<p>Please use your kerberos user name and password.</p>\n'
NUMBER_GROUPING
0
PASSWORD_RESET_TIMEOUT_DAYS
'********************'
PLAN_DELELE_EMAIL_TEMPLATE
'mail/delete_plan.txt'
PLAN_EMAIL_TEMPLATE
'mail/change_plan.txt'
PREPEND_WWW
False
PROFANITIES_LIST
'********************'
ROOT_URLCONF
'tcms.urls'
SECRET_KEY
'********************'
SEND_BROKEN_LINK_EMAILS
False
SERIALIZATION_MODULES
{'json': 'tcms.core.lib.wadofstuff.django.serializers.json'}
SERVER_EMAIL
'root@localhost'
SESSION_COOKIE_AGE
1209600
SESSION_COOKIE_DOMAIN
None
SESSION_COOKIE_NAME
'sessionid'
SESSION_COOKIE_PATH
'/'
SESSION_COOKIE_SECURE
False
SESSION_ENGINE
'django.contrib.sessions.backends.cached_db'
SESSION_EXPIRE_AT_BROWSER_CLOSE
False
SESSION_FILE_PATH
None
SESSION_SAVE_EVERY_REQUEST
False
SETTINGS_MODULE
'tcms.product_settings'
SET_ADMIN_AS_SUPERUSER
False
SHORT_DATETIME_FORMAT
'm/d/Y P'
SHORT_DATE_FORMAT
'm/d/Y'
SIGNAL_PLUGINS
()
SITE_ID
1
TEMPLATE_CONTEXT_PROCESSORS
('django.core.context_processors.auth', 'django.core.context_processors.request', 'django.core.context_processors.media', 'django.core.context_processors.debug', 'tcms.core.context_processors.admin_prefix_processor', 'tcms.core.context_processors.admin_media_prefix_processor', 'tcms.core.context_processors.auth_backend_processor', 'tcms.core.context_processors.request_contents_processor', 'tcms.core.context_processors.settings_processor')
TEMPLATE_DEBUG
True
TEMPLATE_DIRS
('/usr/share/nitrate/templates',)
TEMPLATE_LOADERS
('django.template.loaders.filesystem.load_template_source', 'django.template.loaders.app_directories.load_template_source')
TEMPLATE_STRING_IF_INVALID
''
TESTOPIA_XML_VERSION
'1.0'
TEST_DATABASE_CHARSET
None
TEST_DATABASE_COLLATION
None
TEST_DATABASE_NAME
None
TEST_RUNNER
'django.test.simple.DjangoTestSuiteRunner'
THOUSAND_SEPARATOR
','
TIME_FORMAT
'P'
TIME_INPUT_FORMATS
('%H:%M:%S', '%H:%M')
TIME_ZONE
'Asia/Shanghai'
TRANSACTIONS_MANAGED
False
URL_VALIDATOR_USER_AGENT
'Django/1.2.3 (http://www.djangoproject.com)'
USER_GUIDE_URL
'https://riddler.bne.redhat.com/TCMS-User_Guide/index.html'
USE_ETAGS
False
USE_I18N
True
USE_L10N
False
USE_THOUSAND_SEPARATOR
False
XMLRPC_METHODS
{'TCMS_XML_RPC': (('tcms.xmlrpc.auth', 'Auth'), ('tcms.xmlrpc.build', 'Build'), ('tcms.xmlrpc.env', 'Env'), ('tcms.xmlrpc.product', 'Product'), ('tcms.xmlrpc.testcase', 'TestCase'), ('tcms.xmlrpc.testcaserun', 'TestCaseRun'), ('tcms.xmlrpc.testcaseplan', 'TestCasePlan'), ('tcms.xmlrpc.testopia', 'Testopia'), ('tcms.xmlrpc.testplan', 'TestPlan'), ('tcms.xmlrpc.testrun', 'TestRun'), ('tcms.xmlrpc.user', 'User'), ('tcms.xmlrpc.version', 'Version'), ('tcms.xmlrpc.tag', 'Tag'))}
XMLRPC_TEMPLATE
'xmlrpc.html'
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 500 page.