ableegoldman commented on a change in pull request #8716: URL: https://github.com/apache/kafka/pull/8716#discussion_r429490753
########## File path: streams/src/main/java/org/apache/kafka/streams/processor/internals/assignment/AssignorConfiguration.java ########## @@ -359,6 +359,10 @@ private AssignmentConfigs(final StreamsConfig configs) { final Integer maxWarmupReplicas, final Integer numStandbyReplicas, final Long probingRebalanceIntervalMs) { + if (maxWarmupReplicas < 1) { + throw new IllegalArgumentException("must configure at least one warmup replica"); + } + Review comment: Should we add the same for all the other configs? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org