Index: django/core/handlers/wsgi.py
===================================================================
--- django/core/handlers/wsgi.py	(revision 6474)
+++ django/core/handlers/wsgi.py	(working copy)
@@ -75,7 +75,7 @@
 class WSGIRequest(http.HttpRequest):
     def __init__(self, environ):
         self.environ = environ
-        self.path = force_unicode(environ['PATH_INFO'])
+        self.path = force_unicode(environ['PATH_INFO'], errors='ignore')
         self.META = environ
         self.method = environ['REQUEST_METHOD'].upper()
 
Index: django/core/handlers/modpython.py
===================================================================
--- django/core/handlers/modpython.py	(revision 6474)
+++ django/core/handlers/modpython.py	(working copy)
@@ -14,7 +14,7 @@
 class ModPythonRequest(http.HttpRequest):
     def __init__(self, req):
         self._req = req
-        self.path = force_unicode(req.uri)
+        self.path = force_unicode(req.uri, errors='ignore')
 
     def __repr__(self):
         # Since this is called as part of error handling, we need to be very