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From "Ismael Juma (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-5585) Failover in a replicated Cluster does not work
Date Wed, 12 Jul 2017 15:26:00 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-5585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16084139#comment-16084139
] 

Ismael Juma commented on KAFKA-5585:
------------------------------------

[~tubayer], did you see my comment about adding a callback to the producer send?

> 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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