We currently get:
<Error><Message>An exception has occurred.</Message><ExceptionMessage>No MediaTypeFormatter is available to read an object of type 'ZumoAppInput' from content with media type 'application/json'.</ExceptionMessage><ExceptionType>System.InvalidOperationException</ExceptionType><StackTrace> at System.Net.Http.HttpContentExtensions.ReadAsAsync[T](HttpContent content, Type type, IEnumerable`1 formatters, IFormatterLogger formatterLogger)
at System.Net.Http.HttpContentExtensions.ReadAsAsync(HttpContent content, Type type, IEnumerable`1 formatters, IFormatterLogger formatterLogger)
at System.Web.Http.ModelBinding.FormatterParameterBinding.ReadContentAsync(HttpRequestMessage request, Type type, IEnumerable`1 formatters, IFormatterLogger formatterLogger)
at System.Web.Http.ModelBinding.FormatterParameterBinding.ExecuteBindingAsync(ModelMetadataProvider metadataProvider, HttpActionContext actionContext, CancellationToken cancellationToken)
at System.Web.Http.Controllers.HttpActionBinding.<>c__DisplayClass1.<ExecuteBindingAsync>b__0(HttpParameterBinding parameterBinder)
at System.Linq.Enumerable.WhereSelectArrayIterator`2.MoveNext()
at System.Threading.Tasks.TaskHelpers.IterateImpl(IEnumerator`1 enumerator, CancellationToken cancellationToken)</StackTrace></Error>
Comments: Fixed already by Youssef's check-in http://aspnetwebstack.codeplex.com/SourceControl/changeset/7bad1c5e3ef6
<Error><Message>An exception has occurred.</Message><ExceptionMessage>No MediaTypeFormatter is available to read an object of type 'ZumoAppInput' from content with media type 'application/json'.</ExceptionMessage><ExceptionType>System.InvalidOperationException</ExceptionType><StackTrace> at System.Net.Http.HttpContentExtensions.ReadAsAsync[T](HttpContent content, Type type, IEnumerable`1 formatters, IFormatterLogger formatterLogger)
at System.Net.Http.HttpContentExtensions.ReadAsAsync(HttpContent content, Type type, IEnumerable`1 formatters, IFormatterLogger formatterLogger)
at System.Web.Http.ModelBinding.FormatterParameterBinding.ReadContentAsync(HttpRequestMessage request, Type type, IEnumerable`1 formatters, IFormatterLogger formatterLogger)
at System.Web.Http.ModelBinding.FormatterParameterBinding.ExecuteBindingAsync(ModelMetadataProvider metadataProvider, HttpActionContext actionContext, CancellationToken cancellationToken)
at System.Web.Http.Controllers.HttpActionBinding.<>c__DisplayClass1.<ExecuteBindingAsync>b__0(HttpParameterBinding parameterBinder)
at System.Linq.Enumerable.WhereSelectArrayIterator`2.MoveNext()
at System.Threading.Tasks.TaskHelpers.IterateImpl(IEnumerator`1 enumerator, CancellationToken cancellationToken)</StackTrace></Error>
Comments: Fixed already by Youssef's check-in http://aspnetwebstack.codeplex.com/SourceControl/changeset/7bad1c5e3ef6