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Fix URL to SI Idempotent Receiver

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Artem Bilan
2019-03-26 12:33:39 -04:00
committed by GitHub
parent 8e9a648f96
commit 1241e9b68d
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src/reference/asciidoc/kafka.adoc
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@@ -1656,7 +1656,7 @@ See <<annotation-error-handling>> for more information.
In certain scenarios, such as rebalancing, a message that has already been processed may be redelivered.
The framework cannot know whether such a message has been processed or not.
That is an application-level function.
This is known as the https://www.enterpriseintegrationpatterns.com/patterns/messaging/IdempotentReceiver.html[Idempotent Receiver] pattern and Spring Integration provides an https://docs.spring.io/spring-integration/reference/html/messaging-endpoints-chapter.html#idempotent-receiver[implementation of it].
This is known as the https://www.enterpriseintegrationpatterns.com/patterns/messaging/IdempotentReceiver.html[Idempotent Receiver] pattern and Spring Integration provides an https://docs.spring.io/spring-integration/reference/html/#idempotent-receiver[implementation of it].
The Spring for Apache Kafka project also provides some assistance by means of the `FilteringMessageListenerAdapter` class, which can wrap your `MessageListener`.
This class takes an implementation of `RecordFilterStrategy` in which you implement the `filter` method to signal that a message is a duplicate and should be discarded.