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Posted to jira@kafka.apache.org by "Vincent Jiang (Jira)" <ji...@apache.org> on 2024/11/04 22:58:00 UTC

[jira] [Created] (KAFKA-17941) TransactionStateManager.loadTransactionMetadata method may get stuck in an infinite loop

Vincent Jiang created KAFKA-17941:
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             Summary: TransactionStateManager.loadTransactionMetadata method may get stuck in an infinite loop
                 Key: KAFKA-17941
                 URL: https://issues.apache.org/jira/browse/KAFKA-17941
             Project: Kafka
          Issue Type: Bug
            Reporter: Vincent Jiang


When loading transaction metadata from a transaction log partition, if the partition contains a segment ending with an empty batch, "currOffset" update logic at [https://github.com/apache/kafka/blob/trunk/core/src/main/scala/kafka/coordinator/transaction/TransactionStateManager.scala#L482] will be skipped.  Since "currOffset" is not advanced to next offset of last batch properly, TransactionStateManager.loadTransactionMetadata method will be stuck in the "while" loop at [https://github.com/apache/kafka/blob/trunk/core/src/main/scala/kafka/coordinator/transaction/TransactionStateManager.scala#L438.|https://github.com/apache/kafka/blob/trunk/core/src/main/scala/kafka/coordinator/transaction/TransactionStateManager.scala#L438,] 



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