dajac commented on code in PR #15652:
URL: https://github.com/apache/kafka/pull/15652#discussion_r1551827679
##########
core/src/main/scala/kafka/tools/DumpLogSegments.scala:
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@@ -398,9 +399,34 @@ object DumpLogSegments {
}
}
- private class OffsetsMessageParser extends MessageParser[String, String] {
+ // Package private for testing.
+ class OffsetsMessageParser extends MessageParser[String, String] {
+ private val serde = new RecordSerde()
+
override def parse(record: Record): (Option[String], Option[String]) = {
- GroupMetadataManager.formatRecordKeyAndValue(record)
+ if (!record.hasKey)
+ throw new RuntimeException(s"Failed to decode message at offset
${record.offset} using offset " +
+ "topic decoder (message had a missing key)")
+
+ try {
+ val r = serde.deserialize(record.key, record.value)
+ (
+ Some(r.key.message.toString),
+ Option(r.value).map(_.message.toString).orElse(Some("<DELETE>"))
Review Comment:
It could be null. See here:
https://github.com/apache/kafka/blob/376e9e20dbf7c7aeb6f6f666d47932c445eb6bd1/group-coordinator/src/main/java/org/apache/kafka/coordinator/group/RecordSerde.java#L92.
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