[Mono-dev] HttpRuntime.Cache crashing HttpListener in console application

[MemphisWeb]

Done!  Bug #491343


Gonzalo Paniagua Javier-5 wrote:
> 
> Do you mind entering this information in https://bugzilla.novell.com ?
> Under "Mono::class libraries" - Sys.Web.
> 
> Thanks!
> 
> -Gonzalo
> 
> On Wed, 2009-04-01 at 09:46 -0700, MemphisWeb wrote:
>> If I Cache data using System.Web.Caching in a console application I get
>> an
>> exception if I ltry to start a HttpListener object.  It seems that
>> somewhere
>> in System.Net it is looking for Cache Settings in a web.config.
>> 
>> This is a bug because the behavior does not exist in the .net runtime.
>> 
>> Is there a workaround? 
>> 
>> ############################
>> 
>> using System;
>> using System.Web;
>> using System.Web.Caching;
>> using System.Net;
>> 
>> namespace TestWeb
>> {
>> 	class MainClass
>> 	{
>> 		public static void Main(string[] args)
>> 		{
>> 			/* Uncomment to section to produce error
>> 			 * 
>> 			Cache cache = HttpRuntime.Cache;
>> 			cache["hello"] = "world";
>> 			Console.WriteLine("Hello World!");
>> 			
>> 			Cache cacheClone = HttpRuntime.Cache;
>> 			string s = cacheClone["hello"] as String;
>> 			Console.Write(s);
>> 			*/
>> 						
>> 			System.Net.HttpListener listener = new System.Net.HttpListener();
>> 			listener.Prefixes.Add("http://192.168.1.101:8081/");
>> 			listener.Start();
>> 			
>> 			Console.WriteLine(listener.IsListening);
>> 		}
>> 	}
>> }
>> 
>> Hello World!
>> world
>> Unhandled Exception: System.TypeInitializationException: An exception was
>> thrown by the type initializer for System.Net.Sockets.Socket --->
>> System.NullReferenceException: Object reference not set to an instance of
>> an
>> object
>>   at System.Web.Configuration.WebConfigurationManager.GetSectionCacheKey
>> (System.String sectionName, System.String path) [0x00000] in
>> /usr/src/packages/BUILD/mono-2.4/mcs/class/System.Web/System.Web.Configuration_2.0/WebConfigurationManager.cs:487 
>>   at System.Web.Configuration.WebConfigurationManager.GetSection
>> (System.String sectionName, System.String path) [0x00000] in
>> /usr/src/packages/BUILD/mono-2.4/mcs/class/System.Web/System.Web.Configuration_2.0/WebConfigurationManager.cs:313 
>>   at System.Web.Configuration.WebConfigurationManager.GetSection
>> (System.String sectionName) [0x00000] in
>> /usr/src/packages/BUILD/mono-2.4/mcs/class/System.Web/System.Web.Configuration_2.0/WebConfigurationManager.cs:308 
>>   at
>> System.Web.Configuration.HttpConfigurationSystem.System.Configuration.Internal.IInternalConfigSystem.GetSection
>> (System.String configKey) [0x00000] in
>> /usr/src/packages/BUILD/mono-2.4/mcs/class/System.Web/System.Web/UplevelHelper.cs:1 
>>   at System.Configuration.ConfigurationManager.GetSection (System.String
>> sectionName) [0x00000] in
>> /usr/src/packages/BUILD/mono-2.4/mcs/class/System.Configuration/System.Configuration/ConfigurationManager.cs:162 
>>   at System.Net.Sockets.Socket.CheckProtocolSupport () [0x0003c] in
>> /usr/src/packages/BUILD/mono-2.4/mcs/class/System/System.Net.Sockets/Socket.cs:1342 
>>   at System.Net.Sockets.Socket..cctor () [0x0000c] in
>> /usr/src/packages/BUILD/mono-2.4/mcs/class/System/System.Net.Sockets/Socket.cs:601 
>>   --- End of inner exception stack trace ---
>>   at System.Net.EndPointListener..ctor (System.Net.IPAddress addr, Int32
>> port, Boolean secure) [0x00028] in
>> /usr/src/packages/BUILD/mono-2.4/mcs/class/System/System.Net/EndPointListener.cs:58 
>>   at System.Net.EndPointManager.GetEPListener (System.Net.IPAddress addr,
>> Int32 port, System.Net.HttpListener listener, Boolean secure) [0x00064]
>> in
>> /usr/src/packages/BUILD/mono-2.4/mcs/class/System/System.Net/EndPointManager.cs:96 
>>   at System.Net.EndPointManager.AddPrefixInternal (System.String p,
>> System.Net.HttpListener listener) [0x00050] in
>> /usr/src/packages/BUILD/mono-2.4/mcs/class/System/System.Net/EndPointManager.cs:78 
>>   at System.Net.EndPointManager.AddListener (System.Net.HttpListener
>> listener) [0x0002a] in
>> /usr/src/packages/BUILD/mono-2.4/mcs/class/System/System.Net/EndPointManager.cs:49 
> 
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