Update input-kafka.asciidoc to indicate required version for Kafka 4.0 (

#41540) Update input-kafka.asciidoc to indicate required version for Kafka 4.0
elastic · Nov 18, 2024 · df97534 · df97534
1 parent f4b80fd
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diff --git a/filebeat/docs/inputs/input-kafka.asciidoc b/filebeat/docs/inputs/input-kafka.asciidoc
@@ -89,7 +89,7 @@ The Kafka client id (optional).
 [float]
 ===== `version`
 
-The version of the Kafka protocol to use (defaults to `"1.0.0"`).
+The version of the Kafka protocol to use (defaults to `"1.0.0"`). When using Kafka 4.0 and newer, the version must be set to at least `"2.1.0"`.
 
 [float]
 ===== `initial_offset`

diff --git a/libbeat/outputs/kafka/docs/kafka.asciidoc b/libbeat/outputs/kafka/docs/kafka.asciidoc
@@ -44,7 +44,7 @@ endif::[]
 ==== Compatibility
 
 This output can connect to Kafka version 0.8.2.0 and later. Older versions
-might work as well, but are not supported.
+might work as well, but are not supported. When using Kafka 4.0 and newer, the version must be set to at least `"2.1.0"`
 
 ==== Configuration options
 
@@ -69,7 +69,7 @@ The cluster metadata contain the actual Kafka brokers events are published to.
 
 ===== `version`
 
-Kafka protocol version that {beatname_uc} will request when connecting. Defaults to 1.0.0.
+Kafka protocol version that {beatname_uc} will request when connecting. Defaults to 1.0.0. When using Kafka 4.0 and newer, the version must be set to at least `"2.1.0"`
 
 Valid values are all kafka releases in between `0.8.2.0` and `2.6.0`.