gaozhangmin edited a comment on issue #13431: URL: https://github.com/apache/pulsar/issues/13431#issuecomment-1000689422
Direct reason: `optTopic` is null: ![image](https://user-images.githubusercontent.com/9278488/147327914-e6c52668-4659-419e-a88d-58cd4391d3c1.png) Why? After step-3 createPartitionedTopic, This topic is not owned by any broker yet, the assignment is triggered by the lookup request in producer or consumer action. If you add this before step-4, this unit test will pass. you can try. @yuruguo `pulsarClient.newConsumer().subscriptionName("subscriptionName").topic(topic).subscribe();` -- 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: commits-unsubscr...@pulsar.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org