Getting continuously WARNINGS like this when connecting to Kafka 0.10.0
[warn] k.c.ConsumerFetcherManager$LeaderFinderThread - [KafkaManagerOffsetCache_04160b48ba5b-1464964908716-d110efc9-leader-finder-thread], Failed to find leader for Set([__consumer_offsets,16], [__consumer_offsets,2], [__consumer_offsets,39], [__consumer_offsets,15], [__consumer_offsets,33], [__consumer_offsets,38], [__consumer_offsets,9], [__consumer_offsets,7], [__consumer_offsets,31], [__consumer_offsets,48], [__consumer_offsets,24], [__consumer_offsets,19], [__consumer_offsets,11], [__consumer_offsets,22], [__consumer_offsets,26], [__consumer_offsets,17], [__consumer_offsets,10], [__consumer_offsets,35], [__consumer_offsets,36], [__consumer_offsets,34], [__consumer_offsets,49], [__consumer_offsets,44], [__consumer_offsets,23], [__consumer_offsets,40], [__consumer_offsets,47], [__consumer_offsets,45], [__consumer_offsets,43], [__consumer_offsets,46], [__consumer_offsets,37], [__consumer_offsets,28], [__consumer_offsets,27], [__consumer_offsets,25], [__consumer_offsets,6], [__consumer_offsets,5], [__consumer_offsets,3], [__consumer_offsets,18], [__consumer_offsets,14], [__consumer_offsets,41], [__consumer_offsets,42], [__consumer_offsets,4], [__consumer_offsets,12], [__consumer_offsets,21], [__consumer_offsets,30], [__consumer_offsets,1], [__consumer_offsets,32], [__consumer_offsets,13], [__consumer_offsets,8], [__consumer_offsets,20], [__consumer_offsets,0], [__consumer_offsets,29])
kafka.common.KafkaException: fetching topic metadata for topics [Set(__consumer_offsets)] from broker [ArrayBuffer(BrokerEndPoint(0,localhost,9092))] failed
at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:73) ~[org.apache.kafka.kafka_2.11-0.9.0.1.jar:na]
at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:94) ~[org.apache.kafka.kafka_2.11-0.9.0.1.jar:na]
at kafka.consumer.ConsumerFetcherManager$LeaderFinderThread.doWork(ConsumerFetcherManager.scala:66) ~[org.apache.kafka.kafka_2.11-0.9.0.1.jar:na]
at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63) [org.apache.kafka.kafka_2.11-0.9.0.1.jar:na]
Caused by: java.nio.channels.ClosedChannelException: null
at kafka.network.BlockingChannel.send(BlockingChannel.scala:110) ~[org.apache.kafka.kafka_2.11-0.9.0.1.jar:na]
at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:75) ~[org.apache.kafka.kafka_2.11-0.9.0.1.jar:na]
at kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:74) ~[org.apache.kafka.kafka_2.11-0.9.0.1.jar:na]
at kafka.producer.SyncProducer.send(SyncProducer.scala:119) ~[org.apache.kafka.kafka_2.11-0.9.0.1.jar:na]
at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:59) ~[org.apache.kafka.kafka_2.11-0.9.0.1.jar:na]
... 3 common frames omitted
[warn] k.c.ClientUtils$ - Fetching topic metadata with correlation id 247 for topics [Set(__consumer_offsets)] from broker [BrokerEndPoint(0,localhost,9092)] failed
java.nio.channels.ClosedChannelException: null
at kafka.network.BlockingChannel.send(BlockingChannel.scala:110) ~[org.apache.kafka.kafka_2.11-0.9.0.1.jar:na]
at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:75) ~[org.apache.kafka.kafka_2.11-0.9.0.1.jar:na]
at kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:74) ~[org.apache.kafka.kafka_2.11-0.9.0.1.jar:na]
at kafka.producer.SyncProducer.send(SyncProducer.scala:119) ~[org.apache.kafka.kafka_2.11-0.9.0.1.jar:na]
at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:59) [org.apache.kafka.kafka_2.11-0.9.0.1.jar:na]
at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:94) [org.apache.kafka.kafka_2.11-0.9.0.1.jar:na]
at kafka.consumer.ConsumerFetcherManager$LeaderFinderThread.doWork(ConsumerFetcherManager.scala:66) [org.apache.kafka.kafka_2.11-0.9.0.1.jar:na]
at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63) [org.apache.kafka.kafka_2.11-0.9.0.1.jar:na]
any update with such issue ? as such new kafka version has been released. by they way, is there any plan to have more metric option to monitor each topic data size (accumulated).
Consumers consuming from this topic
is null.
for 0.10.0.0 with jmx
I recently upgraded the kafka cluster to 0.10. But in Kafka-Manager it gives me a option to select 0.8.2.X as the kafka version. How do you access a kafka 0.10 cluster?
kafka manager docs say that it supports 0.8.x and 0.9 of kafka. So 0.10 won't work.
When do you plan to add 0.10 support?
Forecast for 0.10 support ? Thanks
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I would guess it shouldn't be too difficult. Just need to create shaded jars for kafka 0.9.0.1 and 0.10.0.0 so both are supported. Will work on it this month.
Do you have any updates for this issue?
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Newest version is 0.10.0.1 . It would be great to support that as well :)
@nwolff - PR #282 includes support for 0.10.0.1 (though I've only tested on 0.10.0.0).
@qfissler Just tested your fork on kafka 0.10.0.1 and it works well. Thanks a lot.
Does anyway know if I can see the client producers instance(s) within a cluster and for a given topic. jmx metrics exists like kafka.server-->Produce --> byte-rate
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when support 0.10 +1
Is yahoo still working on this?
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when support 0.10.2?
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README.md updated 3 months ago, so close this issue.
Requirements
Kafka 0.8.1.1 or 0.8.2.* or 0.9.0.* or 0.10.0.*
Java 8+
Most helpful comment
I would guess it shouldn't be too difficult. Just need to create shaded jars for kafka 0.9.0.1 and 0.10.0.0 so both are supported. Will work on it this month.