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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