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https://issues.apache.org/jira/browse/KAFKA-8570?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16869657#comment-16869657
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ASF GitHub Bot commented on KAFKA-8570:
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hachikuji commented on pull request #6974: KAFKA-8570: Grow buffer to hold down
converted records if it was insufficiently sized
URL: https://github.com/apache/kafka/pull/6974
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> Downconversion could fail when log contains out of order message formats
> ------------------------------------------------------------------------
>
> Key: KAFKA-8570
> URL: https://issues.apache.org/jira/browse/KAFKA-8570
> Project: Kafka
> Issue Type: Bug
> Reporter: Dhruvil Shah
> Assignee: Dhruvil Shah
> Priority: Major
>
> When the log contains out of order message formats (for example a v2 message
> followed by a v1 message), it is possible for down-conversion to fail in
> certain scenarios where batches compressed and greater than 1kB in size.
> Down-conversion fails with a stack like the following:
> java.lang.IllegalArgumentException
> at java.nio.Buffer.limit(Buffer.java:275)
> at
> org.apache.kafka.common.record.FileLogInputStream$FileChannelRecordBatch.writeTo(FileLogInputStream.java:176)
> at
> org.apache.kafka.common.record.AbstractRecords.downConvert(AbstractRecords.java:107)
> at
> org.apache.kafka.common.record.FileRecords.downConvert(FileRecords.java:242)
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