Hi,
I've loaded assembly (compiled in 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 thrownby 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
Looks like the only place entry assembly is being set is mono_runtime_exec_main, which means that every time object is created I must also call Main method. Is this the way it is supposed to be? I'd imagine especially in embedded environment objects would be created without calling Main methods at all.
Doing the mono_runtime_exec_main -call solves problem having GetEntryAssembly returning null and it also sets the AppDomain.CurrentDomain.SetupInformation.ConfigurationFile.
Janne
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