ProcessEventsAsync Handler not set

[Selekena]

We are setting up our .Net app with netherite against a storage account and eventhub. We get an exception when our app attempts to start.

System.InvalidOperationException
HResult=0x80131509
Message=Cannot begin processing without the ProcessEventAsync handler set.
Source=Azure.Messaging.EventHubs.Processor
StackTrace:
at Azure.Messaging.EventHubs.EventProcessorClient.d__73.MoveNext()
at Azure.Messaging.EventHubs.EventProcessorClient.d__54.MoveNext()
at DurableTask.Netherite.EventHubsTransport.EventHubsPartitionManager.d__16.MoveNext()
at DurableTask.Netherite.EventHubsTransport.EventHubsTransport.d__39.MoveNext()
at DurableTask.Netherite.NetheriteOrchestrationService.d__94.MoveNext()
at DurableTask.Netherite.NetheriteOrchestrationService.<>c__DisplayClass92_0`1.<g__conditionalTransition|0>d.MoveNext()
at DurableTask.Netherite.NetheriteOrchestrationService.d__91.MoveNext()
at DurableTask.Core.TaskHubWorker.d__32.MoveNext()
at Microsoft.Azure.EdgeProvisioning.Common.Workflow.Engine.WorkflowWorker.d__10.MoveNext()
at Microsoft.Azure.EdgeProvisioning.Common.Workflow.Engine.WorkflowEngine.d__5.MoveNext()
at Microsoft.Extensions.Hosting.Internal.Host.d__12.MoveNext()
at Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.d__4.MoveNext()
at Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.d__4.MoveNext()
at Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.Run(IHost host)
at Microsoft.AspNetCore.Builder.WebApplication.Run(String url)
at Program.

This exception was originally thrown at this call stack:
[External Code]
Program.$(string[]) in Program.cs

We supposed (and I get this from reading the source here) that this should be handled by Netherite already. Our other apps did not need to register one. Is this a netherite issue or are not passing something into the Taskhubworker startAsync?

[sebastianburckhardt]

It looks to me like there is a line missing from the second constructor in EventProcessorHost.cs. By all appearances, a simple copy-paste mistake that got missed in the testing because all the tests use the other constructor.

I submitted a PR to fix.

[sebastianburckhardt]

Fixed with latest release.