I vaguely remember some issues where the account you're running under ( i.e. the one that accesses the WebService) needs write access to the configured temp folder, where the XmlSerializer stores temporary assemblies used by for marshalling and unmarshalling the SOAP messages.
Check groups.google.com for the error message for some possible solutions. HTH, Christoph Schittko ----- Original Message ----- From: "Atul Khare" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, August 16, 2002 11:55 PM Subject: [ADVANCED-DOTNET] ASP.NET:Unable to generate temporary class error... > Hi folks, > > My web service is configured to use NTLM authentication in IIS (w/o > anonymous access) and is also uses the authentication="windows" and > impersonate="true" settings in web.config. However for some strange > reason, I seem to get the "unable to temporary class" error while trying > to access my web service (see [1] for details). > > This error goes away if: > > a) impersonate is set to "false" > OR > b) ASP.NET is configured to run under the SYSTEM account > > Is this a bug in ASP.NET? Note that this seems to happen only on some > machines (right now I have seen it only on *some* XP machines). I even > tried giving the remote user administrative rights to the machine but with > no luck. There are no directory permission restrictions on the entire > drive and therefore everyone should be able to access any directory on the > machine. > > [1]: > > System.Web.Services.Protocols.SoapException: Unable to generate a > temporary class (result=1). > error CS0009: Metadata file 'C:\WINNT\Microsoft.NET\Framework\v1.0.3705 > \Temporary ASP.NET > Files\eam_webservices_Foowebserviceprojects_webservice\aaf0c337\eff30307 > \assembly\dl\ff172149\b1dcec4e_743dc201\Foo.DLL' could not be opened -- > 'Access is denied. ' > ---> System.InvalidOperationException: Unable to generate a temporary > class (result=1). > error CS0009: Metadata file 'C:\WINNT\Microsoft.NET\Framework\v1.0.3705 > \Temporary ASP.NET > Files\eam_webservices_Foowebserviceprojects_webservice\aaf0c337\eff30307 > \assembly\dl\ff172149\b1dcec4e_743dc201\Foo.DLL' could not be opened -- > 'Access is denied. ' > > at System.Xml.Serialization.Compiler.Compile() > at System.Xml.Serialization.TempAssembly..ctor(XmlMapping[] xmlMappings) > at System.Xml.Serialization.XmlSerializer..ctor(Type type) > at WebService.XmlSerializerHelper.GetCollectionAsXmlDocument(Object > collection) in > c:\inetpub\wwwroot\Foo\webservices\Foowebserviceprojects_webservice\xmlseri > alizerhelper.cs:line 61 > at WebService.Workflow.GetApprovalDesc(Int32 workflowID) in > c:\inetpub\wwwroot\Foo\WebServices\FooWebServiceProjects_WebService\Workflo > w.asmx.cs:line 140 > --- End of inner exception stack trace --- > at WebService.Workflow.GetApprovalDesc(Int32 workflowID) in > c:\inetpub\wwwroot\Foo\WebServices\FooWebServiceProjects_WebService\Workflo > w.asmx.cs:line 148 > > > Atul > > You can read messages from the Advanced DOTNET archive, unsubscribe from Advanced DOTNET, or > subscribe to other DevelopMentor lists at http://discuss.develop.com. You can read messages from the Advanced DOTNET archive, unsubscribe from Advanced DOTNET, or subscribe to other DevelopMentor lists at http://discuss.develop.com.
