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Master data Service: No parameterless constructor defined for this object RRS feed

  • Question

  • MDS site suddenly stopped working with the below error. Noticeable action was vulnerability scan from the security team.

    Appreciate any assistance to resolve this issue

    Note: MDS 2016 is deployed on SQL server 2016 version.

    No parameterless constructor defined for this object.

    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.MissingMethodException: No parameterless constructor defined for this object.

    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:
    [MissingMethodException: No parameterless constructor defined for this object.]
       System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandleInternal& ctor, Boolean& bNeedSecurityCheck) +0
       System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, StackCrawlMark& stackMark) +139
       System.Activator.CreateInstance(Type type, Boolean nonPublic) +105
       System.Activator.CreateInstance(Type type) +12
       System.Web.Mvc.DefaultControllerActivator.Create(RequestContext requestContext, Type controllerType) +75
    
    [InvalidOperationException: An error occurred when trying to create a controller of type 'Microsoft.MasterDataServices.WebUI.Controllers.HomeController'. Make sure that the controller has a parameterless public constructor.]
       System.Web.Mvc.DefaultControllerActivator.Create(RequestContext requestContext, Type controllerType) +242
       System.Web.Mvc.DefaultControllerFactory.CreateController(RequestContext requestContext, String controllerName) +103
       System.Web.Mvc.MvcHandler.ProcessRequestInit(HttpContextBase httpContext, IController& controller, IControllerFactory& factory) +263
       System.Web.Mvc.MvcHandler.BeginProcessRequest(HttpContextBase httpContext, AsyncCallback callback, Object state) +77
       System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +1020
       System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +195
       System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +128
    


    Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3282.0 

    Thursday, April 25, 2019 5:15 PM