mirror of https://github.com/apache/kafka.git
2e8d69b78c
As a part of KIP-890, we are introducing a new class of Exceptions which when encountered shall lead to Aborting the ongoing Transaction. The following PR introduces the same with client side handling and server side changes. On client Side, the code attempts to handle the exception as an Abortable error and ensure that it doesn't take the producer to a fatal state. For each of the Transactional APIs, we have added the appropriate handling. For the produce request, we have verified that the exception transitions the state to Aborted. On the server side, we have bumped the ProduceRequest, ProduceResponse, TxnOffestCommitRequest and TxnOffsetCommitResponse Version. The appropriate handling on the server side has been added to ensure that the new error case is sent back only for the new clients. The older clients will continue to get the old Invalid_txn_state exception to maintain backward compatibility. Reviewers: Calvin Liu <caliu@confluent.io>, Justine Olshan <jolshan@confluent.io> |
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