wcarlson5 commented on a change in pull request #9984: URL: https://github.com/apache/kafka/pull/9984#discussion_r565734101
########## File path: streams/src/main/java/org/apache/kafka/streams/KafkaStreams.java ########## @@ -1005,11 +1036,28 @@ private StreamThread createAndAddStreamThread(final long cacheSizePerThread, fin || threads.size() == 1)) { streamThread.shutdown(); if (!streamThread.getName().equals(Thread.currentThread().getName())) { - streamThread.waitOnThreadState(StreamThread.State.DEAD); + if (!streamThread.waitOnThreadState(StreamThread.State.DEAD, timeoutMs)) { + log.warn("Thread " + streamThread.getName() + " did not stop in the allotted time"); + throw new TimeoutException("Thread " + streamThread.getName() + " did not stop in the allotted time"); + } } threads.remove(streamThread); final long cacheSizePerThread = getCacheSizePerThread(threads.size()); resizeThreadCache(cacheSizePerThread); + if (streamThread.getGroupInstanceID().isPresent()) { + final MemberToRemove memberToRemove = new MemberToRemove(streamThread.getGroupInstanceID().get()); + final Collection<MemberToRemove> membersToRemove = Collections.singletonList(memberToRemove); + final RemoveMembersFromConsumerGroupResult removeMembersFromConsumerGroupResult = adminClient.removeMembersFromConsumerGroup(config.getString(StreamsConfig.APPLICATION_ID_CONFIG), new RemoveMembersFromConsumerGroupOptions(membersToRemove)); + try { + removeMembersFromConsumerGroupResult.memberResult(memberToRemove).get(timeoutMs - begin, TimeUnit.MILLISECONDS); + } catch (final java.util.concurrent.TimeoutException e) { Review comment: We should. And I think maybe we should log the original stack trace ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: us...@infra.apache.org