James Cheng created KAFKA-8745:
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Summary: DumpLogSegments doesn't show keys, when the message is
null
Key: KAFKA-8745
URL: https://issues.apache.org/jira/browse/KAFKA-8745
Project: Kafka
Issue Type: Improvement
Components: tools
Affects Versions: 2.3.0
Reporter: James Cheng
When DumpLogSegments encounters a message with a message key, but no message
value, it doesn't print out the message key.
{noformat}
$ ~/kafka_2.11-2.2.0/bin/kafka-run-class.sh kafka.tools.DumpLogSegments --files
compacted-0/00000000000000000000.log --print-data-log
Dumping compacted-0/00000000000000000000.log
Starting offset: 0
baseOffset: 0 lastOffset: 3 count: 4 baseSequence: -1 lastSequence: -1
producerId: -1 producerEpoch: -1 partitionLeaderEpoch: 0 isTransactional: false
isControl: false position: 0 CreateTime: 1564696640073 size: 113 magic: 2
compresscodec: NONE crc: 206507478 isvalid: true
| offset: 2 CreateTime: 1564696640073 keysize: 4 valuesize: -1 sequence: -1
headerKeys: []
| offset: 3 CreateTime: 1564696640073 keysize: 4 valuesize: -1 sequence: -1
headerKeys: []
{noformat}
It should print out the message key.
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