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https://issues.apache.org/jira/browse/KAFKA-5322?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on KAFKA-5322 started by Apurva Mehta.
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> Resolve AddPartitions response error code inconsistency
> -------------------------------------------------------
>
> Key: KAFKA-5322
> URL: https://issues.apache.org/jira/browse/KAFKA-5322
> Project: Kafka
> Issue Type: Sub-task
> Components: clients, core, producer
> Reporter: Jason Gustafson
> Assignee: Apurva Mehta
> Priority: Blocker
> Labels: exactly-once
> Fix For: 0.11.0.0
>
>
> The AddPartitions request does not support partial failures. Either all
> partitions are successfully added to the transaction or none of them are.
> Currently we return a separate error code for each partition that was added
> to the transaction, which begs the question of what error code to return if
> we have not actually encountered a fatal partition-level error for some
> partition. For example, suppose we send AddPartitions with partitions A and
> B. If A is not authorized, we will not even attempt to add B to the
> transaction, but what error code should we use. The current solution is to
> only include partition A and its error code in the response, but this is a
> little inconsistent with most other request types. Alternatives that have
> been proposed:
> 1. Instead of a partition-level error, use one global error. We can add a
> global error message to return friendlier details to the user about which
> partition had a fault. The downside is that we would have to parse the
> message contents if we wanted to do any partition-specific handling. We could
> not easily fill the set of topics in {{TopicAuthorizationException}} for
> example.
> 2. We can add a new error code to indicate that the broker did not even
> attempt to add the partition to the transaction. For example:
> OPERATION_NOT_ATTEMPTED or something like that.
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