I updated from 10.1 and 10.2. I updated both the broker and maven dependency.
I am using topic auto-create. With 10.1, starting the application with a broker would sometimes result in an error like: > Exception in thread "StreamThread-1" org.apache.kafka.streams.errors.TopologyBuilderException: Invalid topology building: stream-thread [StreamThread-1] Topic not found: $topic But this would only happen once. Upon the second attempt, the topics are already created and everything works fine. But with 10.2 this error does not go away. I have confirmed and tested that auto topic creation is enabled. Here is the error/trace: Exception in thread "StreamThread-1" org.apache.kafka.streams.errors.TopologyBuilderException: Invalid topology building: stream-thread [StreamThread-1] Topic not found: session-updates at org.apache.kafka.streams.processor.internals.StreamPartitionAssignor$CopartitionedTopicsValidator.validate(StreamPartitionAssignor.java:734) at org.apache.kafka.streams.processor.internals.StreamPartitionAssignor.ensureCopartitioning(StreamPartitionAssignor.java:648) at org.apache.kafka.streams.processor.internals.StreamPartitionAssignor.assign(StreamPartitionAssignor.java:368) at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.performAssignment(ConsumerCoordinator.java:339) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.onJoinLeader(AbstractCoordinator.java:488) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.access$1100(AbstractCoordinator.java:89) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$JoinGroupResponseHandler.handle(AbstractCoordinator.java:438) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$JoinGroupResponseHandler.handle(AbstractCoordinator.java:420) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$CoordinatorResponseHandler.onSuccess(AbstractCoordinator.java:764) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$CoordinatorResponseHandler.onSuccess(AbstractCoordinator.java:745) at org.apache.kafka.clients.consumer.internals.RequestFuture$1.onSuccess(RequestFuture.java:186) at org.apache.kafka.clients.consumer.internals.RequestFuture.fireSuccess(RequestFuture.java:149) at org.apache.kafka.clients.consumer.internals.RequestFuture.complete(RequestFuture.java:116) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient$RequestFutureCompletionHandler.fireCompletion(ConsumerNetworkClient.java:493) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.firePendingCompletedRequests(ConsumerNetworkClient.java:322) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:253) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:172) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.joinGroupIfNeeded(AbstractCoordinator.java:334) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureActiveGroup(AbstractCoordinator.java:303) at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.poll(ConsumerCoordinator.java:286) at org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:1030) at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:995) at org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:582) at org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:368) It does not occur if my topology only defines streams and tables. However, when I attempt to join a stream and a table, this error is thrown: // No error if this is in topology KTable<K, V> sessions = topology.table(byteStringSerde, sessionSerde, "sessions", "sessions"); // No error if this is in topology KStream<ByteString, Messages.EntityUpdate> sessionUpdates = topology.stream(byteStringSerde, sessionUpdateSerde, "session-updates"); // Error if this is in topology sessionUpdates .leftJoin(sessions, (update, value) -> { // do update, omitted }) .filter((k, v) -> v != null) .to(byteStringSerde, sessionSerde, "sessions");