Cast error HttpApplication WebClientApplication

Question

User184794328 posted

Hi,

   I am encountering this server error when page was deployed. The dlls files are all there. I am using VS 2008 and WCSF. Any ideas how to resolved this?

Unable to cast object of type 'System.Web.HttpApplication' to type 'Microsoft.Practices.CompositeWeb.WebClientApplication'.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.InvalidCastException: Unable to cast object of type 'System.Web.HttpApplication' to type 'Microsoft.Practices.CompositeWeb.WebClientApplication'.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[InvalidCastException: Unable to cast object of type 'System.Web.HttpApplication' to type 'Microsoft.Practices.CompositeWeb.WebClientApplication'.] Microsoft.Practices.CompositeWeb.Authorization.WebClientAuthorizationModule.Init(HttpApplication context) +173 System.Web.HttpApplication.InitModulesCommon() +65 System.Web.HttpApplication.InitModules() +43 System.Web.HttpApplication.InitInternal(HttpContext context, HttpApplicationState state, MethodInfo[] handlers) +729 System.Web.HttpApplicationFactory.GetNormalApplicationInstance(HttpContext context) +298 System.Web.HttpApplicationFactory.GetApplicationInstance(HttpContext context) +107 System.Web.HttpRuntime.ProcessRequestInternal(HttpWorkerRequest wr) +289

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Version Information: Microsoft .NET Framework Version:2.0.50727.3643; ASP.NET Version:2.0.50727.3634

Thanks in advanced.

Answer 1

User-166373564 posted

Hi,

Unable to cast object of type 'System.Web.HttpApplication' to type 'Microsoft.Practices.CompositeWeb.WebClientApplication'.

We should look into this issue first, many issues may lead to this error, you could learn relevant analysis about this error, and check whether some tips can fix this error,

Unable to cast object of type 'System.Web.HttpApplication' to type 'Microsoft.Practices.CompositeWeb.WebClientApplication

At the same time this is also available for you to learn how to use the WCSF with an existing Web Application Project,

using the WCSF with an existing Web Application Project

hope it helpful to troubleshoot,

with regards

 

 

Answer 2

User184794328 posted
This issue has been resolved by a co-worker. The source of issue is 2 different version was used.