2

/clientevent/process currently throws Object reference not set exception with the stacktrace as shown below.

Is there any configuration like IgnoreUrlPrefixes that need to be configured to throw a 404 error rather than a 500?

[NullReferenceException: Object reference not set to an instance of an object.]
Sitecore.Forms.Mvc.Data.Wrappers.WrappedRendering.get_UniqueId() +3
Sitecore.Forms.Mvc.Attributes.FormErrorHandlerAttribute.OnException(ExceptionContext filterContext) +109
System.Web.Mvc.ControllerActionInvoker.InvokeExceptionFilters(ControllerContext controllerContext, IList`1 filters, Exception exception) +173
System.Web.Mvc.Async.<>c__DisplayClass21.b__19(AsyncCallback asyncCallback, Object asyncState) +1133
System.Web.Mvc.Async.WrappedAsyncResultBase`1.Begin(AsyncCallback callback, Object state, Int32 timeout) +168
System.Web.Mvc.Async.AsyncControllerActionInvoker.BeginInvokeAction(ControllerContext controllerContext, String actionName, AsyncCallback callback, Object state) +454
System.Web.Mvc.Controller.b__1c(AsyncCallback asyncCallback, Object asyncState, ExecuteCoreState innerState) +41
System.Web.Mvc.Async.WrappedAsyncVoid`1.CallBeginDelegate(AsyncCallback callback, Object callbackState) +66
System.Web.Mvc.Async.WrappedAsyncResultBase`1.Begin(AsyncCallback callback, Object state, Int32 timeout) +168
System.Web.Mvc.Controller.BeginExecuteCore(AsyncCallback callback, Object state) +901
System.Web.Mvc.Async.WrappedAsyncResultBase`1.Begin(AsyncCallback callback, Object state, Int32 timeout) +169
System.Web.Mvc.Controller.BeginExecute(RequestContext requestContext, AsyncCallback callback, Object state) +711
System.Web.Mvc.MvcHandler.b__4(AsyncCallback asyncCallback, Object asyncState, ProcessRequestState innerState) +93 System.Web.Mvc.Async.WrappedAsyncVoid`1.CallBeginDelegate(AsyncCallback callback, Object callbackState) +67
System.Web.Mvc.Async.WrappedAsyncResultBase`1.Begin(AsyncCallback callback, Object state, Int32 timeout) +169
System.Web.Mvc.MvcHandler.BeginProcessRequest(HttpContextBase httpContext, AsyncCallback callback, Object state) +555
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +1028 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +134

3
  • Does that path exist as items in your tree?
    – Richard Seal
    Dec 12 '17 at 17:55
  • No it doesn't exist as such. But when I access /clientevents/process or /form, I am running into this issue.
    – Bharath
    Dec 13 '17 at 5:22
  • Was a solution to this ever found? I also have this issue (or very similar) when upgrading from 8.0 to 8.2.
    – SamMullins
    Jun 19 '19 at 8:28

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