use of org.apache.kafka.clients.admin.RemoveMembersFromConsumerGroupOptions in project kafka by apache.
the class StreamsResetter method maybeDeleteActiveConsumers.
private void maybeDeleteActiveConsumers(final String groupId, final Admin adminClient) throws ExecutionException, InterruptedException {
final DescribeConsumerGroupsResult describeResult = adminClient.describeConsumerGroups(Collections.singleton(groupId), new DescribeConsumerGroupsOptions().timeoutMs(10 * 1000));
final List<MemberDescription> members = new ArrayList<>(describeResult.describedGroups().get(groupId).get().members());
if (!members.isEmpty()) {
if (options.has(forceOption)) {
System.out.println("Force deleting all active members in the group: " + groupId);
adminClient.removeMembersFromConsumerGroup(groupId, new RemoveMembersFromConsumerGroupOptions()).all().get();
} else {
throw new IllegalStateException("Consumer group '" + groupId + "' is still active " + "and has following members: " + members + ". " + "Make sure to stop all running application instances before running the reset tool." + " You can use option '--force' to remove active members from the group.");
}
}
}
use of org.apache.kafka.clients.admin.RemoveMembersFromConsumerGroupOptions in project kafka by apache.
the class KafkaStreams method removeStreamThread.
private Optional<String> removeStreamThread(final long timeoutMs) throws TimeoutException {
final long startMs = time.milliseconds();
if (isRunningOrRebalancing()) {
synchronized (changeThreadCount) {
// make a copy of threads to avoid holding lock
for (final StreamThread streamThread : new ArrayList<>(threads)) {
final boolean callingThreadIsNotCurrentStreamThread = !streamThread.getName().equals(Thread.currentThread().getName());
if (streamThread.isAlive() && (callingThreadIsNotCurrentStreamThread || getNumLiveStreamThreads() == 1)) {
log.info("Removing StreamThread " + streamThread.getName());
final Optional<String> groupInstanceID = streamThread.getGroupInstanceID();
streamThread.requestLeaveGroupDuringShutdown();
streamThread.shutdown();
if (!streamThread.getName().equals(Thread.currentThread().getName())) {
final long remainingTimeMs = timeoutMs - (time.milliseconds() - startMs);
if (remainingTimeMs <= 0 || !streamThread.waitOnThreadState(StreamThread.State.DEAD, remainingTimeMs)) {
log.warn("{} did not shutdown in the allotted time.", streamThread.getName());
// Don't remove from threads until shutdown is complete. We will trim it from the
// list once it reaches DEAD, and if for some reason it's hanging indefinitely in the
// shutdown then we should just consider this thread.id to be burned
} else {
log.info("Successfully removed {} in {}ms", streamThread.getName(), time.milliseconds() - startMs);
threads.remove(streamThread);
queryableStoreProvider.removeStoreProviderForThread(streamThread.getName());
}
} else {
log.info("{} is the last remaining thread and must remove itself, therefore we cannot wait " + "for it to complete shutdown as this will result in deadlock.", streamThread.getName());
}
final long cacheSizePerThread = getCacheSizePerThread(getNumLiveStreamThreads());
log.info("Resizing thread cache due to thread removal, new cache size per thread is {}", cacheSizePerThread);
resizeThreadCache(cacheSizePerThread);
if (groupInstanceID.isPresent() && callingThreadIsNotCurrentStreamThread) {
final MemberToRemove memberToRemove = new MemberToRemove(groupInstanceID.get());
final Collection<MemberToRemove> membersToRemove = Collections.singletonList(memberToRemove);
final RemoveMembersFromConsumerGroupResult removeMembersFromConsumerGroupResult = adminClient.removeMembersFromConsumerGroup(applicationConfigs.getString(StreamsConfig.APPLICATION_ID_CONFIG), new RemoveMembersFromConsumerGroupOptions(membersToRemove));
try {
final long remainingTimeMs = timeoutMs - (time.milliseconds() - startMs);
removeMembersFromConsumerGroupResult.memberResult(memberToRemove).get(remainingTimeMs, TimeUnit.MILLISECONDS);
} catch (final java.util.concurrent.TimeoutException e) {
log.error("Could not remove static member {} from consumer group {} due to a timeout: {}", groupInstanceID.get(), applicationConfigs.getString(StreamsConfig.APPLICATION_ID_CONFIG), e);
throw new TimeoutException(e.getMessage(), e);
} catch (final InterruptedException e) {
Thread.currentThread().interrupt();
} catch (final ExecutionException e) {
log.error("Could not remove static member {} from consumer group {} due to: {}", groupInstanceID.get(), applicationConfigs.getString(StreamsConfig.APPLICATION_ID_CONFIG), e);
throw new StreamsException("Could not remove static member " + groupInstanceID.get() + " from consumer group " + applicationConfigs.getString(StreamsConfig.APPLICATION_ID_CONFIG) + " for the following reason: ", e.getCause());
}
}
final long remainingTimeMs = timeoutMs - (time.milliseconds() - startMs);
if (remainingTimeMs <= 0) {
throw new TimeoutException("Thread " + streamThread.getName() + " did not stop in the allotted time");
}
return Optional.of(streamThread.getName());
}
}
}
log.warn("There are no threads eligible for removal");
} else {
log.warn("Cannot remove a stream thread when Kafka Streams client is in state " + state());
}
return Optional.empty();
}
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