Problems Inserting an Assignment

[Ted K.]

I'm having issues inserting a new assignment into the demo site. No matter what I do I receive an error. I am trying to post to https://demo.aeries.net/aeries/api/v3/gradebooks/3778088/InsertAssignment?cert=477abe9e7d27439681d62f4e0de1f5e1.

The JSON that I'm sending is: {"Description":"Test the Aeries API","AssignmentCategoryCode":"T","DateAssigned":"2017-01-27","DateDue":"2017-02-17","NumberCorrectPossible":50,"PointsPossible":50,"Comment":"Make sure the Gradebook end points work","FormativeSummativeIndicator":"S","RubricAssignment":false,"ExternalID":"","CreateInLinkedGradebooksToo":true}

When I post this I receive the following response along with a 500 response code.

"Message":"An error has occurred.",

"ExceptionMessage":"Object reference not set to an instance of an object.",

"ExceptionType":"System.NullReferenceException",

"StackTrace":"   at AeriesLib.TableWrapper.SetPropValue(String FldName, Object FldValue)\r\n   at Aeries.API.v3.Public.Controllers.GradebookV3Controller.InsertAssignment(Int64 gn, AssignmentInsert AssignmentDetails)\r\n   at lambda_method(Closure , Object , Object[] )\r\n   at System.Web.Http.Controllers.ReflectedHttpActionDescriptor.ActionExecutor.<>c__DisplayClass10.<GetExecutor>b__9(Object instance, Object[] methodParameters)\r\n   at System.Web.Http.Controllers.ReflectedHttpActionDescriptor.ExecuteAsync(HttpControllerContext controllerContext, IDictionary`2 arguments, CancellationToken cancellationToken)\r\n--- End of stack trace from previous location where exception was thrown ---\r\n   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n   at System.Web.Http.Controllers.ApiControllerActionInvoker.<InvokeActionAsyncCore>d__0.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n   at System.Web.Http.Controllers.ActionFilterResult.<ExecuteAsync>d__2.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)\r\n   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n   at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext()"}

Can someone point me in the correct direction to fix this?

Thanks!

[Ted K.]

A followup for anyone that winds up here.

Setting a header to "Content-Type: application/json" took care of the issue for us.

[ho...@aeries.com]

I'm glad that you were able to resolve the issue. We also fixed the issue on the server side. It will be going out once it passes QC. 

Hoan @ aeries