ableegoldman commented on a change in pull request #10573: URL: https://github.com/apache/kafka/pull/10573#discussion_r619558819
########## File path: streams/src/main/java/org/apache/kafka/streams/processor/internals/ActiveTaskCreator.java ########## @@ -115,7 +115,7 @@ public void reInitializeThreadProducer() { StreamsProducer streamsProducerForTask(final TaskId taskId) { if (processingMode != EXACTLY_ONCE_ALPHA) { - throw new IllegalStateException("Producer per thread is used."); + throw new IllegalStateException("Expected EXACTLY_ONCE to be enabled, but the processing mode was " + processingMode); Review comment: I'll do it the other way around to be consistent with how we print the `processingMode` (ie change `eos-v2` to `EXACTLY_ONCE_V2` below instead) -- 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