frankvicky commented on code in PR #18844:
URL: https://github.com/apache/kafka/pull/18844#discussion_r1964654037
##########
core/src/main/scala/kafka/docker/KafkaDockerWrapper.scala:
##########
@@ -110,7 +110,9 @@ object KafkaDockerWrapper extends Logging {
case Some(str) => str
case None => throw new RuntimeException("CLUSTER_ID environment variable
is not set.")
}
- Array("format", "--cluster-id=" + clusterId, "-c",
s"${configsPath.toString}/server.properties", "--standalone")
+ // We maintain static voter configurations in Docker Hub images for better
version compatibility and deployment stability,
Review Comment:
Currently, it will fail with the following message:
```
===> User
uid=1000(appuser) gid=1000(appuser) groups=1000(appuser)
===> Setting default values of environment variables if not already set.
CLUSTER_ID not set. Setting it to default value: "5L6g3nShT-eMCtK--X86sw"
===> Configuring ...
===> Launching ...
===> Using provided cluster id 5L6g3nShT-eMCtK--X86sw ...
Because controller.quorum.voters is not set on this controller, you must
specify one of the following: --standalone, --initial-controllers, or
--no-initial-controllers.
```
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