Traceback excerpt

2009-12-03T02:31:46 ERROR root Exception during task
Traceback (most recent call last):
  File "/srv/launchpad.net/production/login-rev-8648/eggs/zope.server-3.4.3-py2.4.egg/zope/server/taskthreads.py", line 48, in handlerThread
    task.service()
  File "/srv/launchpad.net/production/login-rev-8648/eggs/zope.server-3.4.3-py2.4.egg/zope/server/serverchannelbase.py", line 207, in service
    task.service()
  File "/srv/launchpad.net/production/login-rev-8648/eggs/zope.server-3.4.3-py2.4.egg/zope/server/http/httptask.py", line 71, in service
    self.channel.server.executeRequest(self)
  File "/srv/launchpad.net/production/login-rev-8648/eggs/zc.zservertracelog-1.1.5-py2.4.egg/zc/zservertracelog/tracelog.py", line 114, in executeRequest
    response = self.application(env, start_response)
  File "/srv/launchpad.net/production/login-rev-8648/eggs/zope.app.wsgi-3.4.1-py2.4.egg/zope/app/wsgi/__init__.py", line 49, in __call__
    request = self.requestFactory(environ['wsgi.input'], environ)
  File "/srv/launchpad.net/production/login-rev-8648/eggs/zope.app.publication-3.4.4-py2.4.egg/zope/app/publication/httpfactory.py", line 69, in __call__
    request = request_class(input_stream, env)
  File "/srv/launchpad.net/production/login-rev-8648/lib/canonical/launchpad/webapp/servers.py", line 573, in __init__
    BasicLaunchpadRequest.__init__(self, body_instream, environ, response)
  File "/srv/launchpad.net/production/login-rev-8648/lib/canonical/launchpad/webapp/servers.py", line 502, in __init__
    super(BasicLaunchpadRequest, self).__init__(
  File "/srv/launchpad.net/production/login-rev-8648/eggs/zope.publisher-3.5.6-py2.4.egg/zope/publisher/browser.py", line 234, in __init__
    super(BrowserRequest, self).__init__(body_instream, environ, response)
  File "/srv/launchpad.net/production/login-rev-8648/eggs/zope.publisher-3.5.6-py2.4.egg/zope/publisher/http.py", line 311, in __init__
    environ = sane_environment(environ)
  File "/srv/launchpad.net/production/login-rev-8648/eggs/zope.publisher-3.5.6-py2.4.egg/zope/publisher/http.py", line 79, in sane_environment
    dict['PATH_INFO'] = dict['PATH_INFO'].decode('utf-8')
  File "/usr/lib/python2.4/encodings/utf_8.py", line 16, in decode
    return codecs.utf_8_decode(input, errors, True)
AttributeError: 'NoneType' object has no attribute 'utf_8_decode'
------
2009-12-03T02:31:47 ERROR root Exception during task
Traceback (most recent call last):
  File "/srv/launchpad.net/production/login-rev-8648/eggs/zope.server-3.4.3-py2.4.egg/zope/server/taskthreads.py", line 48, in handlerThread
    task.service()
  File "/srv/launchpad.net/production/login-rev-8648/eggs/zope.server-3.4.3-py2.4.egg/zope/server/serverchannelbase.py", line 207, in service
    task.service()
  File "/srv/launchpad.net/production/login-rev-8648/eggs/zope.server-3.4.3-py2.4.egg/zope/server/http/httptask.py", line 71, in service
    self.channel.server.executeRequest(self)
  File "/srv/launchpad.net/production/login-rev-8648/eggs/zc.zservertracelog-1.1.5-py2.4.egg/zc/zservertracelog/tracelog.py", line 114, in executeRequest
    response = self.application(env, start_response)
  File "/srv/launchpad.net/production/login-rev-8648/eggs/zope.app.wsgi-3.4.1-py2.4.egg/zope/app/wsgi/__init__.py", line 49, in __call__
    request = self.requestFactory(environ['wsgi.input'], environ)
  File "/srv/launchpad.net/production/login-rev-8648/eggs/zope.app.publication-3.4.4-py2.4.egg/zope/app/publication/httpfactory.py", line 69, in __call__
    request = request_class(input_stream, env)
  File "/srv/launchpad.net/production/login-rev-8648/lib/canonical/launchpad/webapp/servers.py", line 573, in __init__
    BasicLaunchpadRequest.__init__(self, body_instream, environ, response)
  File "/srv/launchpad.net/production/login-rev-8648/lib/canonical/launchpad/webapp/servers.py", line 502, in __init__
    super(BasicLaunchpadRequest, self).__init__(
  File "/srv/launchpad.net/production/login-rev-8648/eggs/zope.publisher-3.5.6-py2.4.egg/zope/publisher/browser.py", line 234, in __init__
    super(BrowserRequest, self).__init__(body_instream, environ, response)
  File "/srv/launchpad.net/production/login-rev-8648/eggs/zope.publisher-3.5.6-py2.4.egg/zope/publisher/http.py", line 311, in __init__
    environ = sane_environment(environ)
  File "/srv/launchpad.net/production/login-rev-8648/eggs/zope.publisher-3.5.6-py2.4.egg/zope/publisher/http.py", line 79, in sane_environment
    dict['PATH_INFO'] = dict['PATH_INFO'].decode('utf-8')
  File "/usr/lib/python2.4/encodings/utf_8.py", line 16, in decode
    return codecs.utf_8_decode(input, errors, True)
AttributeError: 'NoneType' object has no attribute 'utf_8_decode'