[Mono-aspnet-list] Configuration error on mod_mono startup under 2.10.2

jddunlap jddunlap at gmail.com
Wed May 4 05:13:14 EDT 2011


I'm trying to run a regular ASP.NET 4 application under Mono 2.10.2 (after
upgrading from 2.8), and whenever I try to request a page, I get a 500
server error. The server log indicates that it is a null reference error in
the configuration handler:

--------------
[notice] Apache/2.2.16 (Ubuntu) mod_mono/2.10 PHP/5.3.3-1ubuntu9.4 with
Suhosin-Patch mod_ssl/2.2.16 OpenSSL/0.9.8o configured -- resuming normal
operations
Exception caught during reading the configuration file:
System.NullReferenceException: Object reference not set to an instance of an
object
  at Mono.WebServer.Apache.Server+ApplicationSettings..ctor () [0x00000] in
<filename unknown>:0
--------------

Each instance of the error above is followed by:
--------------
System.Configuration.ConfigurationErrorsException: Unrecognized
configuration section <system.web>
[stack trace omitted for brevity]
--------------

I've verified that my web.config is valid, and it only has a <system.web>
tag with a <customErrors> tag within it. The error may be a mod_mono /
ASP.NET error, but it might also be a general error, because I tried to run
a Mono console app and got a similar configuration error:

--------------
System.Configuration.ConfigurationErrorsException: Error Initializing the
configuration system. --->
System.Configuration.ConfigurationErrorsException: Unrecognized
configuration section <startup>
--------------

What might this be and how can I fix it? Thanks!



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