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Document Direct Reply-To for AMQP #2358

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merged 3 commits into from
Sep 11, 2025
Merged

Document Direct Reply-To for AMQP #2358

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d54ba7e
Document Direct Reply-To for AMQP
ansd Sep 10, 2025
cf44a9f
Add AMQP Java request/response direct reply-to example
acogoluegnes Sep 11, 2025
4a90b77
Check requester is still connected in request/response example
acogoluegnes Sep 11, 2025
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1 change: 0 additions & 1 deletion docs/amqp.md
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Expand Up @@ -307,7 +307,6 @@ This section lists features that RabbitMQ supports exclusively in AMQP 1.0, whic

### AMQP 0.9.1 Features
This section lists features that RabbitMQ supports exclusively in AMQP 0.9.1, which are currently not available in AMQP 1.0:
* **[Direct Reply-to](./direct-reply-to)**: While AMQP 1.0 clients can perform Remote Procedure Calls (RPCs) by declaring a reply queue (as [described](https://rabbitmq.github.io/rabbitmq-amqp-java-client/stable/htmlsingle/#remote-procedure-call-rpc) in the RabbitMQ AMQP 1.0 Java client), the Direct Reply-to feature is only available in AMQP 0.9.1.
* **[AMQP 0.9.1 Channel Interceptor](https://github.com/rabbitmq/internals/blob/master/interceptors.md)**: Plugins, such as the [Sharding Plugin](https://github.com/rabbitmq/rabbitmq-server/tree/main/deps/rabbitmq_sharding#rabbitmq-sharding-plugin), that intercept and modify frames are [currently](https://github.com/rabbitmq/rabbitmq-server/issues/10051) only supported for AMQP 0.9.1.
* **Message rates in the Management UI**: Message rates for exchanges and queues are shown in the Management UI for AMQP 0.9.1 connections. These rates are not available for AMQP 1.0 connections.
* **[Transactions](./semantics)**: AMQP 0.9.1 provides limited support, whereas AMQP 1.0 currently does not support transactions (as listed in the [limitations](#limitations)).
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2 changes: 1 addition & 1 deletion docs/confirms.md
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Expand Up @@ -81,7 +81,7 @@ so the delivered message can be marked for future deletion.
Sometimes publishing and consuming applications need to communicate via requests and responses
that need an explicit acknowledgement from the peer. [RabbitMQ tutorial #6](/tutorials)
demonstrates the basics of how that's done, and [Direct Reply-to](./direct-reply-to) provides
a way to do it without declaring a lot of short-lived temporary response queues.
a way to do it without creating response queues.

This type of communication, however, is not covered in this guide, and is mentioned only to
contrast it with the much more focussed messaging protocol features described in this guide.
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