Fixed #164 The wrapped IExceptionFilter was not being awaited.

Author: niemyjski

src/Platforms/Exceptionless.WebApi/ExceptionlessHandleErrorAttribute.cs

@@ -8,19 +8,27 @@ namespace Exceptionless.WebApi {
     public class ExceptionlessHandleErrorAttribute : IExceptionFilter {
         private readonly ExceptionlessClient _client;
 
-        public bool HasWrappedFilter { get { return WrappedFilter != null; } }
+        protected bool HasWrappedFilter { get { return WrappedFilter != null; } }
 
-        public IExceptionFilter WrappedFilter { get; set; }
+        protected internal IExceptionFilter WrappedFilter { get; set; }
 
         public bool AllowMultiple { get { return HasWrappedFilter && WrappedFilter.AllowMultiple; } }
 
         public ExceptionlessHandleErrorAttribute(ExceptionlessClient client = null) {
             _client = client ?? ExceptionlessClient.Default;
         }
 
-        public virtual void OnHttpException(HttpActionExecutedContext actionExecutedContext, CancellationToken cancellationToken) {
+        public Task ExecuteExceptionFilterAsync(HttpActionExecutedContext actionExecutedContext, CancellationToken cancellationToken) {
+            _client.Configuration.Resolver.GetLog().Trace("ExecuteExceptionFilterAsync executing...");
+            if (actionExecutedContext == null)
+                throw new ArgumentNullException(nameof(actionExecutedContext));
+
+            return OnHttpExceptionAsync(actionExecutedContext, cancellationToken);
+        }
+
+        protected virtual async Task OnHttpExceptionAsync(HttpActionExecutedContext actionExecutedContext, CancellationToken cancellationToken) {
             if (HasWrappedFilter)
-                WrappedFilter.ExecuteExceptionFilterAsync(actionExecutedContext, cancellationToken);
+                await WrappedFilter.ExecuteExceptionFilterAsync(actionExecutedContext, cancellationToken).ConfigureAwait(false);
 
             var contextData = new ContextData();
             contextData.MarkAsUnhandledError();
@@ -32,13 +40,5 @@ public virtual void OnHttpException(HttpActionExecutedContext actionExecutedCont
                 .Submit();
         }
 
-        public Task ExecuteExceptionFilterAsync(HttpActionExecutedContext actionExecutedContext, CancellationToken cancellationToken) {
-            _client.Configuration.Resolver.GetLog().Trace("ExecuteExceptionFilterAsync executing...");
-            if (actionExecutedContext == null)
-                throw new ArgumentNullException("actionExecutedContext");
-
-            OnHttpException(actionExecutedContext, cancellationToken);
-            return Task.FromResult(0);
-        }
     }
 }