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Nitay Kufert commented on KAFKA-9335: ------------------------------------- In the example I provided, the exception is thrown over the following key: missing-partitions-example-odd_store_2-repartition And regarding the number of partitions - the topic can't be found so I guess that why it has 0 partitions > java.lang.IllegalArgumentException: Number of partitions must be at least 1. > ---------------------------------------------------------------------------- > > Key: KAFKA-9335 > URL: https://issues.apache.org/jira/browse/KAFKA-9335 > Project: Kafka > Issue Type: Bug > Components: streams > Affects Versions: 2.4.0 > Reporter: Nitay Kufert > Priority: Major > Labels: bug > > Hey, > When trying to upgrade our Kafka streams client to 2.4.0 (from 2.3.1) we > encountered the following exception: > {code:java} > java.lang.IllegalArgumentException: Number of partitions must be at least 1. > {code} > It's important to notice that the exact same code works just fine at 2.3.1. > > I have created a "toy" example which reproduces this exception: > [https://gist.github.com/nitayk/50da33b7bcce19ad0a7f8244d309cb8f] > and I would love to get some insight regarding why its happening / ways to > get around it > > Thanks -- This message was sent by Atlassian Jira (v8.3.4#803005)