Fix NRE when scheduling messages to ASB topics#2235
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jeremydmiller merged 1 commit intomainfrom Feb 24, 2026
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…cs. Closes #2223 FindListenerCircuit returns null for send-only endpoints (e.g. Azure Service Bus topics) since they have no listener. EnqueueDirectlyAsync now falls back to the sending agent when no listener circuit is found, allowing scheduled messages to be sent through the normal outbound path. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This was referenced Feb 26, 2026
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Summary
FindListenerCircuit()returns null for send-only endpoints (e.g. ASB topics) because topics are not listeners — only subscriptions areEnqueueDirectlyAsyncnow handles this by falling back to the sending agent when no listener circuit existsIEndpointCollection.FindListenerCircuit()return nullableIListenerCircuit?Test plan
schedule_to_topic_with_subscription_listenertest tousing_native_scheduling.csthat publishes to a topic and listens via a subscriptionwith_buffered_endpointfailure is a pre-existing flaky test)FindListenerCircuitalready finds them)🤖 Generated with Claude Code