How do you access the dead letter sub-queue on an Azure subscription?

azure azure-servicebus-queues
kareem picture kareem · Mar 27, 2014 · Viewed 11.3k times · Source

When I use the following:

var deadLetterPath = SubscriptionClient.FormatDeadLetterPath(topicPath,subName);
var client = SubscriptionClient.CreateFromConnectionString(connectionString, deadLetterPath, subName);

I get an InvalidOperationException

Cannot directly create a client on a sub-queue. Create a client on the main queue and use that to create receivers on the appropriate sub-queue

Some parts of the azure documentation say to use SubscriptionClient.CreateReceiver to access a sub-queue but that method doesn't exist.

Answer

Sam Vanhoutte picture Sam Vanhoutte · Mar 27, 2014

Does this approach work for you ?

MessagingFactory factory = MessagingFactory.CreateFromConnectionString(cnxString);
var deadLetterPath = SubscriptionClient.FormatDeadLetterPath(topicPath,subName);
var dlqReceiver = factory.CreateMessageReceiver(deadLetterPath, ReceiveMode.ReceiveAndDelete);

I haven't test it out here (in a meeting), but give it a try

cheers

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