OrderTopic/Subscriptions/EastSubscription/$DeadLetterQueue Let’s assume we have create a topic named as “OrderTopic” and one subscription named as “EastSubscrpption” is also created in “orderTopic” then below will be dead letter queue path. SubscrpitonName: It will be subscription name that is create under azure topic. TopicName: it will be any qualified topic name created in azure server bus. No additional efforts are required to create dead-letter sub queue for Queue and Subscription,dead letter subqueue created automatically when main entities either azure service bus queue or topics/subscription are created.Įvery topic/subscription have dead letter queue and name ends with $deadletterqueue. ![]() ![]() Listener for the dead letter would just need to facilitate that by logging the message to some database or to a log file so that the user can take a look at that later. This would mean, we may need manual intervention to determine why the message is not getting processed. If for whatever reason message could not be processed by a receiver, we could move that such message to dead letter queue. DownLoad Project: AzureTopic&SubscriptionĪzure service bus Queue and topic subscription provide addition sub-queue called dead-letter queue (DLQ).All expired message move to dead letter queue from queue and subscriptions for further investigations and processing.ĭead letter queues are the safest bet when we are using Azure Service Bus.
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