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Posted to dev@kafka.apache.org by "Jiangjie Qin (JIRA)" <ji...@apache.org> on 2015/06/03 20:55:38 UTC

[jira] [Created] (KAFKA-2246) UnknownTopicOrPartitionException should be an instance of InvalidMetadataException

Jiangjie Qin created KAFKA-2246:
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             Summary: UnknownTopicOrPartitionException should be an instance of InvalidMetadataException
                 Key: KAFKA-2246
                 URL: https://issues.apache.org/jira/browse/KAFKA-2246
             Project: Kafka
          Issue Type: Bug
            Reporter: Jiangjie Qin
            Assignee: Jiangjie Qin


In new producer, if a message send failed, we only refresh metadata when the exception is an instance of InvalidMetadataException. UnknownTopicOrPartitionException should be a sub class of it instead of just RetriableException. The scenario we saw is that when a topic get deleted from broker, UnkownTopicOrPartitionException will be thrown. Assuming auto topic creation is turned on, supposedly the producer will be able to produce with retries after the topic get recreated. But because UnknownTopicOrPartitionException is not an instance of InvalidMetadataException, producer will not refresh metadata and retries are exhausted.
 



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