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Mention in docs that org.eclipse.paho.client.mqttv3 is optional

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Artem Bilan
2025-01-15 11:52:59 -05:00
parent 18149108b2
commit 7ac6b2175e
2 changed files with 8 additions and 1 deletions
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src/reference/antora/modules/ROOT/pages/mqtt.adoc
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@@ -27,6 +27,7 @@ compile "org.springframework.integration:spring-integration-mqtt:{project-versio
======
The current implementation uses the https://www.eclipse.org/paho/[Eclipse Paho MQTT Client] library.
Starting with version 6.5, the `org.eclipse.paho:org.eclipse.paho.client.mqttv3` dependency is an `optional` dependency, so has to be included explicitly in the target project for MQTT v3 support.
IMPORTANT: The XML configuration and most of this chapter are about MQTT v3.1 protocol support and respective Paho Client.
See xref:mqtt.adoc#mqtt-v5[MQTT v5 Support] paragraph for respective protocol support.

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src/reference/antora/modules/ROOT/pages/whats-new.adoc
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@@ -44,4 +44,10 @@ See xref:message-store.adoc#use-lock-registry[Use LockRegistry] for more informa
The `SourcePollingChannelAdapter` endpoint now starts a `CONSUMER` kind observation for the received message.
The `MessageReceiverContext` now distinguishes between `handler`, `message-source` and `message-producer` values for the `spring.integration.type` low cardinality tag.
See xref:metrics.adoc#micrometer-observation[Micrometer Observation] for more information.
See xref:metrics.adoc#micrometer-observation[Micrometer Observation] for more information.
[[x6.4-mqtt-changes]]
== Optional Paho MQTT Dependencies
The `org.eclipse.paho:org.eclipse.paho.client.mqttv3` dependency for `spring-integration-mqtt` is now also optional as `org.eclipse.paho:org.eclipse.paho.mqttv5.client` always was.
See xref:mqtt.adoc[MQTT Support] for more information.