fapaul commented on a change in pull request #17696:
URL: https://github.com/apache/flink/pull/17696#discussion_r743698529
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File path: flink-connectors/flink-connector-kafka/pom.xml
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@@ -111,6 +111,15 @@ under the License.
<scope>test</scope>
</dependency>
+ <!-- Required to execute the kafka server for testing. Please
change the zookeeper version accordingly when changing the Kafka version
+
https://github.com/apache/kafka/blob/839b886f9b732b151e1faeace7303c80641c08c4/gradle/dependencies.gradle#L122
-->
+ <dependency>
+ <groupId>org.apache.zookeeper</groupId>
+ <artifactId>zookeeper</artifactId>
+ <version>3.5.9</version>
+ <scope>test</scope>
+ </dependency>
+
Review comment:
Honestly, I am not sure whether other versions suffice here. I just know
that the `kafka-server` no longer has this dependency therefore we have to
include it. I guess other zookeeper versions will also work but this is the one
currently included by Kafka therefore I left the link to check the
corresponding version.
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