Sergiu Hlihor created KAFKA-4571:
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Summary: Consumer fails to retrieve messages if started before
producer
Key: KAFKA-4571
URL: https://issues.apache.org/jira/browse/KAFKA-4571
Project: Kafka
Issue Type: Bug
Components: clients
Affects Versions: 0.10.1.1
Environment: Ubuntu Desktop 16.04 LTS, Oracle Java 8 1.8.0_101, Core
i7 4770K
Reporter: Sergiu Hlihor
In a configuration where topic was never created before, starting the consumer
before the producer leads to no message being consumed (KafkaConsumer.pool()
returns always an instance of ConsumerRecords with 0 count ).
Starting another consumer on the same group, same topic after messages were
produced is still not consuming them. Starting another consumer with another
groupId appears to be working.
In the consumer logs I see: WARN NetworkClient - Error while fetching metadata
with correlation id 1 : {measurements021=LEADER_NOT_AVAILABLE}
Both producer and consumer were launched from inside same JVM.
The configuration used is the standard one found in Kafka distribution. If this
is a configuration issue, please suggest any change that I should do.
Thank you
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