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Web API innererror property will be removed

Headshot of article author Jim Daly

, Senior Program Manager, Monday, 6 April 2020

We are changing the structure of error messages that are returned using the Common Data Service Web API, our OData v4 RESTful web service.

Developers who use the Web API should verify that their code will not be impacted by this change. This change will be deployed across all our regions starting in late April through May 2020.

We are removing the innererror property that appears in the JSON response from the server when an error occurs. Today, the JSON error data returned looks like this:

{  
 "error":{  
  "code": "<This code is not related to the http status code and is frequently empty>",  
  "message": "<A message describing the error>",  
  "innererror": {  
   "message": "<A message describing the error, this is frequently the same as the outer message>",  
   "type": "Microsoft.Crm.CrmHttpException",  
   "stacktrace": "<Details from the server about where the error occurred>"  
  }  
 }  
}

After this change is applied, the JSON error data will look like this:

{  
 "error":{  
  "code": "<This code is not related to the http status code and is frequently empty>",  
  "message": "<A message describing the error>"  
 }  
}

We are making this change to be in alignment with OData protocol guidance that this property should only be included for development environments.

We expect that this change will not impact most application code because the information included in this property is not useful for applications to report when an error occurs.  If this change causes an error in an application you use, please contact technical support. We can revert this change temporarily for your environment to provide time for the application developer to make appropriate changes to remove a dependency on this property.

As always, we will continuously monitor the impact of this change as it is deployed. If serious issues occur, we will roll back this change.

Specific examples

One place where errors may occur is because plug-in developers may intentionally or unintentionally add them in their code.

Intentional error

A plug-in developer may intentionally fail an operation by throwing an InvalidPluginExecution exception like this:

public class ThrowException : IPlugin
{
    public void Execute(IServiceProvider serviceProvider)
    {
        throw new InvalidPluginExecutionException("Business logic on the server cancelled this operation.");           
    }
}

With this change, the error returned from the Web API will look like this:

{
    "error": {
        "code": "0x80040265",
        "message": "Business logic on the server cancelled this operation."
    }
}

Previously, it looked like this:

{
    "error": {
        "code": "0x80040265",
        "message": "Business logic on the server cancelled this operation.",
        "innererror": {
            "message": "Business logic on the server cancelled this operation.",
            "type": "System.ServiceModel.FaultException`1[[Microsoft.Xrm.Sdk.OrganizationServiceFault, Microsoft.Xrm.Sdk, Version=9.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]",
            "stacktrace": "   at Microsoft.Crm.Extensibility.OrganizationSdkServiceInternal.CreateInternal(Entity entity, InvocationContext invocationContext, CallerOriginToken callerOriginToken, WebServiceType serviceType, Boolean checkAdminMode, Dictionary`2 optionalParameters)\r\n   at Microsoft.Crm.Extensibility.OData.CrmODataExecutionContext.CreateOrganizationResponse(Entity entity)\r\n   at Microsoft.Crm.Extensibility.OData.CrmODataServiceDataProvider.CreateEdmEntity(CrmODataExecutionContext context, String edmEntityName, EdmEntityObject entityObject, Boolean isUpsert)\r\n   at Microsoft.Crm.Extensibility.OData.EntityController.PostEntitySetImplementation(String& entitySetName, EdmEntityObject entityObject)\r\n   at Microsoft.PowerApps.CoreFramework.ActivityLoggerExtensions.Execute[TResult](ILogger logger, EventId eventId, ActivityType activityType, Func`1 func, IEnumerable`1 additionalCustomProperties)\r\n   at Microsoft.Xrm.Telemetry.XrmTelemetryExtensions.Execute[TResult](ILogger logger, XrmTelemetryActivityType activityType, Func`1 func)\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.ExceptionServices.ExceptionDispatchInfo.Throw()\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.ExceptionServices.ExceptionDispatchInfo.Throw()\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.ExceptionServices.ExceptionDispatchInfo.Throw()\r\n   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n   at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext()"
        }
    }
}

Unintentional error

The following code will exceed the time available to complete and represents a kind of unintentional error.

public class ForceTimeout : IPlugin
{
    public void Execute(IServiceProvider serviceProvider)
    {
        Thread.Sleep(180000); //Three minutes
    }
}

With this change, the error returned from the Web API will look like this:

{
    "error": {
        "code": "0x80040224",
        "message": "An unexpected error occurred from ISV code. (ErrorType = ClientError) Unexpected exception from plug-in (Execute):  ErrorMessageTest.ForceTimeout: System.TimeoutException: Couldn’t complete execution of the ErrorMessageTest.ForceTimeout plug-in within the 2-minute limit."
    }
}

Previously, it looked like this:

{
    "error": {
        "code": "0x80040224",
        "message": "An unexpected error occurred from ISV code. (ErrorType = ClientError) Unexpected exception from plug-in (Execute):  ErrorMessageTest.ForceTimeout: System.TimeoutException: Couldn’t complete execution of the ErrorMessageTest.ForceTimeout plug-in within the 2-minute limit.",
        "innererror": {
            "message": "An unexpected error occurred from ISV code. (ErrorType = ClientError) Unexpected exception from plug-in (Execute):  ErrorMessageTest.ForceTimeout: System.TimeoutException: Couldn’t complete execution of the ErrorMessageTest.ForceTimeout plug-in within the 2-minute limit.",
            "type": "System.ServiceModel.FaultException`1[[Microsoft.Xrm.Sdk.OrganizationServiceFault, Microsoft.Xrm.Sdk, Version=9.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]",
            "stacktrace": "   at Microsoft.Crm.Extensibility.OrganizationSdkServiceInternal.CreateInternal(Entity entity, InvocationContext invocationContext, CallerOriginToken callerOriginToken, WebServiceType serviceType, Boolean checkAdminMode, Dictionary`2 optionalParameters)\r\n   at Microsoft.Crm.Extensibility.OData.CrmODataExecutionContext.CreateOrganizationResponse(Entity entity)\r\n   at Microsoft.Crm.Extensibility.OData.CrmODataServiceDataProvider.CreateEdmEntity(CrmODataExecutionContext context, String edmEntityName, EdmEntityObject entityObject, Boolean isUpsert)\r\n   at Microsoft.Crm.Extensibility.OData.EntityController.PostEntitySetImplementation(String& entitySetName, EdmEntityObject entityObject)\r\n   at Microsoft.PowerApps.CoreFramework.ActivityLoggerExtensions.Execute[TResult](ILogger logger, EventId eventId, ActivityType activityType, Func`1 func, IEnumerable`1 additionalCustomProperties)\r\n   at Microsoft.Xrm.Telemetry.XrmTelemetryExtensions.Execute[TResult](ILogger logger, XrmTelemetryActivityType activityType, Func`1 func)\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.ExceptionServices.ExceptionDispatchInfo.Throw()\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.ExceptionServices.ExceptionDispatchInfo.Throw()\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.ExceptionServices.ExceptionDispatchInfo.Throw()\r\n   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n   at System.Web.Http.Dispatcher.HttpControllerDispatcher.<SendAsync>d__1.MoveNext()"
        }
    }
}

As you can see, the data that is no longer returned represents these items:

  • error.innererror.type
  • error.innererror.stacktrace

This information is not particularly useful for client application developers, so we expect it will not be missed.

For more information see Parse errors from the response.

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