initial commit

Author: nytian

src/Abstractions/TaskFailureDetails.cs

@@ -5,6 +5,7 @@
 using System.Reflection;
 using CoreFailureDetails = DurableTask.Core.FailureDetails;
 using CoreOrchestrationException = DurableTask.Core.Exceptions.OrchestrationException;
+using CoreSubOrchestrationFailedException = DurableTask.Core.Exceptions.SubOrchestrationFailedException;
 
 namespace Microsoft.DurableTask;
 
@@ -154,7 +155,7 @@ internal CoreFailureDetails ToCoreFailureDetails()
             return null;
         }
 
-        if (exception is CoreOrchestrationException coreEx)
+        if (exception is CoreOrchestrationException coreEx && exception is not CoreSubOrchestrationFailedException)
         {
             return new TaskFailureDetails(
                 coreEx.FailureDetails?.ErrorType ?? "(unknown)",

src/Worker/Core/Shims/TaskOrchestrationContextWrapper.cs

@@ -198,10 +198,7 @@ public override async Task<TResult> CallSubOrchestratorAsync<TResult>(
         catch (global::DurableTask.Core.Exceptions.SubOrchestrationFailedException e)
         {
             // Hide the core DTFx types and instead use our own
-            throw new TaskFailedException(
-                orchestratorName,
-                e.ScheduleId,
-                TaskFailureDetails.FromCoreFailureDetails(e.FailureDetails!));
+            throw new TaskFailedException(orchestratorName, e.ScheduleId, e);
         }
     }