SagaMetadataCollection can have sagas found by scanning even on a send-only endpoint so just checking saga metadata is not sufficient. (#7784)

danielmarbach · web-flow · commit 645ac46ac714 · 2026-05-28T11:15:42.000-05:00
Co-authored-by: Daniel Marbach &lt;danielmarbach@users.noreply.github.com&gt;
diff --git a/src/NServiceBus.Core/Sagas/Sagas.cs b/src/NServiceBus.Core/Sagas/Sagas.cs
@@ -15,6 +15,7 @@ public Sagas()
     {
         Enable<SynchronizedStorage>();
         DependsOn<SynchronizedStorage>();
+        Prerequisite(context => !context.Settings.GetOrDefault<bool>("Endpoint.SendOnly"), "Sagas are only relevant for endpoints receiving messages.");
         Prerequisite(s => s.Settings.Get<SagaMetadataCollection>().HasMetadata, "No sagas were found. Either enable assembly scanning or manually register sagas using AddSaga<TSaga>().");
     }
 

Original file line number	Diff line number	Diff line change
`@@ -15,6 +15,7 @@ public Sagas()`
`15`	`15`	`{`
`16`	`16`	`Enable<SynchronizedStorage>();`
`17`	`17`	`DependsOn<SynchronizedStorage>();`
	`18`	`+ Prerequisite(context => !context.Settings.GetOrDefault<bool>("Endpoint.SendOnly"), "Sagas are only relevant for endpoints receiving messages.");`
`18`	`19`	`Prerequisite(s => s.Settings.Get<SagaMetadataCollection>().HasMetadata, "No sagas were found. Either enable assembly scanning or manually register sagas using AddSaga<TSaga>().");`
`19`	`20`	`}`
`20`	`21`