Hey Aravind, If your client/broker just upgraded to 2.3, Jason has filed a blocker for 2.3: https://issues.apache.org/jira/browse/KAFKA-8653
and a fix is on its way: https://github.com/apache/kafka/pull/7072/files Let me know if you are actually on a different version. Boyang On Wed, Jul 10, 2019 at 7:43 PM Aravind Dongara <adong...@yahoo.com.invalid> wrote: > Our kafka streams application is stuck and continuously emits > "(Re-)joining group” log message every 5 minutes without making any > progress. > > Kafka-consumer-groups cmd line tool with “—members” option shows lots of > stale members, in addition to expected member-ids shown on log msgs on > kafka-streams app and broker logs that were failing to join). > For some reason these old members didn’t get evicted from members list. > Looks like this is preventing the GroupCordinator from reaching > “CompletingRebalance” state. > > Restart of Kafka streams app didn’t help either, it just replaced the > newer member-ids; but the old stale member-ids are still present in the > members-list. > > Is there any way to resolve this without restarting the broker hosting the > GroupCoordinator for this group. > > Thanks > Aravind
