[Mono-dev] Assembly.GetEntryAssembly() returns null

[Michał Ziemski]

Hi!

I've just tripped on this one.
This time under mod_mono.

This is very bad as it crashes WaitHandle.WaitAll under mod_mono.
Filed a bug #79859.

Cheers!
Michał Ziemski

Janne Rantala napisał(a):
> Hi,
>
> I've loaded assembly (compiled in VS.NET <http://VS.NET>) in embedded 
> environment. This assembly is supposed to work as a client for web 
> service. However this does not work because Assembly.GetEntryAssembly 
> returns null when called from managed code. This causes 
> ConfigurationManager to throw ArgumentException stating that "exePath 
> must be specified when not running inside a stand alone exe".
>
> MSDN 
> http://msdn2.microsoft.com/en-us/library/system.reflection.assembly.getentryassembly.aspx 
> says that
>
> "Return Value
> The Assembly that is the process executable in the default application
> domain, or the first executable that was executed by
> AppDomain.ExecuteAssembly. Can return a null reference (Nothing in
> Visual Basic) when called from unmanaged code."
>
> But since this call is made from managed code it should return 
> something else than null? Both Assembly.GetCallingAssembly() and 
> Assembly.GetExecutingAssembly return the assembly I've loaded.
>
> Is this a bug?
>
> Here's the full stack trace if it's any help:
>
> Unhandled Exception: System.TypeInitializationException : An exception 
> was thrown
>  by the type initializer for System.Net.WebRequest ---> 
> System.ArgumentException
>
> : exePath must be specified when not running inside a stand alone exe.
>   at 
> System.Configuration.ConfigurationManager.OpenExeConfigurationInternal 
> (Con
> figurationUserLevel userLevel, System.Reflection.Assembly 
> calling_assembly, Syst
> em.String exePath) [0x00000]
>   at 
> System.Configuration.ClientConfigurationSystem.System.Configuration.Interna 
>
> l.IInternalConfigSystem.GetSection (System.String configKey) [0x00000]
>   at System.Configuration.ConfigurationManager.GetSection 
> (System.String section
> Name) [0x00000]
>   at System.Net.WebRequest..cctor () [0x00000] --- End of inner 
> exception stack
> trace ---
>
>   at <0x00000> <unknown method>
>   at System.Web.Services.Protocols.WebClientProtocol.GetWebRequest 
> (System.Uri u
> ri) [0x00000]
>   at System.Web.Services.Protocols.HttpWebClientProtocol.GetWebRequest 
> (System.U
> ri uri) [0x00000]
>   at 
> System.Web.Services.Protocols.SoapHttpClientProtocol.GetWebRequest 
> (System.
> Uri uri) [0x00000]
>   at 
> System.Web.Services.Protocols.SoapHttpClientProtocol.GetRequestForMessage 
> (
> System.Uri uri, System.Web.Services.Protocols.SoapClientMessage 
> message) [0x0000
> 0]
>   at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke 
> (System.String
> method_name, System.Object[] parameters) [0x00000]
>   at WSTest.net.xmethods.www.CurrencyExchangeService.getRate 
> (System.String coun
> try1, System.String country2) [0x00000]
>   at (wrapper remoting-invoke-with-check) 
> WSTest.net.xmethods.www.CurrencyExchan
> geService:getRate (string,string)
>   at WSTest.Class1.WebServiceTest () [0x00000]
>
> Cheers,
>
> Janne
> ------------------------------------------------------------------------
>
> _______________________________________________
> Mono-devel-list mailing list
> Mono-devel-list at lists.ximian.com
> http://lists.ximian.com/mailman/listinfo/mono-devel-list
>