feat: complete jetstream deep operational parity closure

2026-02-23 13:43:14 -05:00
parent 5506fc4705
commit 377ad4a299
27 changed files with 933 additions and 13 deletions
--- a/src/NATS.Server/JetStream/ConsumerManager.cs
+++ b/src/NATS.Server/JetStream/ConsumerManager.cs
@@ -35,6 +35,12 @@ public sealed class ConsumerManager
        if (config.FilterSubjects.Count == 0 && !string.IsNullOrWhiteSpace(config.FilterSubject))
            config.FilterSubjects.Add(config.FilterSubject);

+        if (config.DeliverPolicy == DeliverPolicy.LastPerSubject
+            && string.IsNullOrWhiteSpace(config.ResolvePrimaryFilterSubject()))
+        {
+            return JetStreamApiResponse.ErrorResponse(400, "last per subject requires filter subject");
+        }
+
        var key = (stream, config.DurableName);
        var handle = _consumers.AddOrUpdate(key,
            _ => new ConsumerHandle(stream, config),