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https://issues.apache.org/jira/browse/KAFKA-5585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16085285#comment-16085285
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Thomas Bayer commented on KAFKA-5585:
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[~huxi_2b] Leaders are available for all partitions.
With the same configuration files, same producer and same consumer it works
with 0.10.2.1. Then I stop the cluster, cean the logs and zookeeper folder,
start it with the same config files with the 0.11.0.0. version and it did't
work.
OS: Ubuntu 16.4. LTS and OSX 10.12.5
> Failover in a replicated Cluster does not work
> ----------------------------------------------
>
> Key: KAFKA-5585
> URL: https://issues.apache.org/jira/browse/KAFKA-5585
> Project: Kafka
> Issue Type: Bug
> Components: core
> Affects Versions: 0.11.0.0
> Environment: Linux, Mac OSX
> Reporter: Thomas Bayer
> Attachments: broker_zookeeper_configs.zip, SimpleConsumer.java,
> SimpleProducer.java, Stress Test Windows.xlsx, test_project_files.zip
>
>
> Failover does not work in a cluster with 3 nodes and a replicated topic with
> factor 3.
> You can reproduce it als follows: Setup 3 Kafka Nodes and 1 Zookeeper. Than
> create a topic with factor 3. Start a consumer. Stop a node. Write to the
> topic. Now you get warnings that the client can not connect to a broker. The
> consumer does not receive any messages.
> The same setup works like a charm with 0.10.2.1.
> Broker Config:
> {{broker.id=1
> listeners=PLAINTEXT://:9091
> log.dirs=cluster/logs/node-1
> broker.id=2
> listeners=PLAINTEXT://:9092
> log.dirs=cluster/logs/node-2
> broker.id=3
> listeners=PLAINTEXT://:9093
> log.dirs=cluster/logs/node-3}}
> Rest of the config is from the distribution.
> Producer and consumer config: see attached files
> *Log Consumer:*
> 2017-07-12 16:15:26 WARN ConsumerCoordinator:649 - Auto-commit of offsets
> {produktion-0=OffsetAndMetadata{offset=10, metadata=''}} failed for group a:
> Offset commit failed with a retriable exception. You should retry committing
> offsets. The underlying error was: The coordinator is not available.
> 2017-07-12 16:15:26 WARN NetworkClient:588 - Connection to node 2147483645
> could not be established. Broker may not be available.
> 2017-07-12 16:15:26 WARN NetworkClient:588 - Connection to node 2 could not
> be established. Broker may not be available.
> *Log Producer:*
> {{2017-07-12 16:15:32 WARN NetworkClient:588 - Connection to node -1 could
> not be established. Broker may not be available.}}
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