lucasbru commented on code in PR #14193: URL: https://github.com/apache/kafka/pull/14193#discussion_r1360187606
########## clients/src/main/java/org/apache/kafka/clients/producer/MockProducer.java: ########## @@ -361,7 +369,7 @@ private long nextOffset(TopicPartition tp) { } public synchronized void flush() { - verifyProducerState(); + verifyNotClosed(); Review Comment: If you look at the implementation of the real `flush`, it actually never throws a `ProducerFencedException`. So `StreamsProducer.flush` also doesn't convert the `ProducerFencedException` to a `TaskMigratedException`. This incorrect mock was causing `ProducerFencedException` to be surfaced inside streams code. -- 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. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org