hachikuji commented on a change in pull request #10085: URL: https://github.com/apache/kafka/pull/10085#discussion_r624137947
########## File path: raft/src/test/java/org/apache/kafka/raft/MockLog.java ########## @@ -363,33 +362,30 @@ public LogFetchInfo read(long startOffset, Isolation isolation) { } ByteBuffer buffer = ByteBuffer.allocate(512); - LogEntry firstEntry = null; + LogOffsetMetadata batchStartOffset = null; for (LogBatch batch : batches) { // Note that start offset is inclusive while max offset is exclusive. We only return // complete batches, so batches which end at an offset larger than the max offset are // filtered, which is effectively the same as having the consumer drop an incomplete // batch returned in a fetch response. - if (batch.lastOffset() >= startOffset) { - if (batch.lastOffset() < maxOffset) { - buffer = batch.writeTo(buffer); - } + if (batch.lastOffset() >= startOffset && batch.lastOffset() < maxOffset && !batch.entries.isEmpty()) { Review comment: Sounds good. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org