Hi all, We recently discovered an issue in Kafka 0.9.0.1 (), where ReplicaFetcherThread stopped after ReplicaFetcherThread received a corrupted message. As the same logic exists also in Kafka 0.10.0.0 and 0.10.0.1, they may have the similar issue.
Here are system logs related to this issue. > 2016-10-30 - 02:33:05,606 ERROR ReplicaFetcherThread-5-1590174474 > ReplicaFetcherThread.apply - Found invalid messages during fetch for > partition [logs,41] offset 39021512238 error Message is corrupt (stored crc > = 2028421553, computed crc = 3577227678) > 2016-10-30 - 02:33:06,582 ERROR ReplicaFetcherThread-5-1590174474 > ReplicaFetcherThread.error - [ReplicaFetcherThread-5-1590174474], Error due > to kafka.common.KafkaException: - error processing data for partition > [logs,41] offset 39021512301 Caused - by: java.lang.RuntimeException: > Offset mismatch: fetched offset = 39021512301, log end offset = 39021512238. First, ReplicaFetcherThread got a corrupted message (offset 39021512238) due to some blip. Line https://github.com/apache/kafka/blob/0.9.0.1/core/src/main/scala/kafka/server/AbstractFetcherThread.scala#L138 threw exception Then, Line https://github.com/apache/kafka/blob/0.9.0.1/core/src/main/scala/kafka/server/AbstractFetcherThread.scala#L145 caught it and logged this error. Because https://github.com/apache/kafka/blob/0.9.0.1/core/src/main/scala/kafka/server/AbstractFetcherThread.scala#L134 updated the topic partition offset to the fetched latest one in partitionMap. So ReplicaFetcherThread skipped the batch with corrupted messages. Based on https://github.com/apache/kafka/blob/0.9.0.1/core/src/main/scala/kafka/server/AbstractFetcherThread.scala#L84, the ReplicaFetcherThread then directly fetched the next batch of messages (with offset 39021512301) Next, ReplicaFetcherThread stopped because the log end offset (still 39021512238) didn't match the fetched message (offset 39021512301). A quick fix is to move line 134 to be after line 138. Would be great to have your comments and please let me know if a Jira issue is needed. Thanks. Best, Jun