[jira] [Created] (KAFKA-7385) Log compactor crashes when empty headers are retained with idempotent / transaction producers

["Dhruvil Shah (JIRA)" <ji...@apache.org>]

Dhruvil Shah created KAFKA-7385:
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             Summary: Log compactor crashes when empty headers are retained with idempotent / transaction producers
                 Key: KAFKA-7385
                 URL: https://issues.apache.org/jira/browse/KAFKA-7385
             Project: Kafka
          Issue Type: Bug
            Reporter: Dhruvil Shah


During log compaction, we retain an empty header if the batch contains the last sequence number for a particular producer. When such headers are the only messages retained, we do not update state such as `maxOffset` in `MemoryRecords#filterTo` causing us to append these into the cleaned segment with `largestOffset` = -1. This throws a `LogSegmentOffsetOverflowException` for a segment that does not actually have an overflow. When we attempt to split the segment, the log cleaner dies.



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