Alex Glikson created KAFKA-4095:
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             Summary: When a topic is deleted and then created with the same 
name, 'committed' offsets are not reset
                 Key: KAFKA-4095
                 URL: https://issues.apache.org/jira/browse/KAFKA-4095
             Project: Kafka
          Issue Type: Bug
          Components: consumer
    Affects Versions: 0.10.0.0, 0.9.0.1
            Reporter: Alex Glikson


I encountered a very strange behavior of Kafka, which seems to be a bug.
After deleting a topic and re-creating it with the same name, I produced 
certain amount of new messages, and then opened a consumer with the same ID 
that I used before re-creating the topic (with auto.commit=false, 
auto.offset.reset=earliest). While the latest offsets seemed up to date, the 
*committed* offset (returned by committed() method) was an *old* offset, from 
the time before the topic has been deleted and created.
I would have assumed that when a topic is deleted, all the associated 
topic-partitions and consumer groups are recycled too.
I am using the Java client version 0.9, with Kafka server 0.10.




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