Use /dev/null for mime types if no system mime types file can be found.

Author: GrahamDumpleton

docs/release-notes/version-4.6.5.rst

@@ -14,6 +14,9 @@ Bugs Fixed
   ``--mount-point``, the static files in the document root outside of the
   mount point for the WSGI application would no longer be accessible.
 
+* If no system mime types file can be found, fall back to ``/dev/null``
+  so that Apache can still at least start up.
+
 Features Changed
 ----------------
 

src/server/__init__.py

@@ -106,7 +106,7 @@ def find_mimetypes():
             return name
             break
     else:
-        return name
+        return '/dev/null'
 
 APACHE_GENERAL_CONFIG = """
 <IfModule !version_module>