[jira] [Created] (KAFKA-5526) ConsumerGroupCommand no longer shows output for consumer groups which have not committed offsets

["Ryan P (JIRA)" <ji...@apache.org>]

Ryan P created KAFKA-5526:
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             Summary: ConsumerGroupCommand no longer shows output for consumer groups which have not committed offsets
                 Key: KAFKA-5526
                 URL: https://issues.apache.org/jira/browse/KAFKA-5526
             Project: Kafka
          Issue Type: Improvement
            Reporter: Ryan P


It would appear that the latest iteration of the ConsumerGroupCommand no longer outputs information about group membership when no offsets have been committed. It would be nice if the output generated by these tools maintained some form of consistency across versions as some users have grown to depend on them. 

0.9.x output:

bin/kafka-consumer-groups --bootstrap-server localhost:9092 --new-consumer --describe --group console-consumer-34885
GROUP, TOPIC, PARTITION, CURRENT OFFSET, LOG END OFFSET, LAG, OWNER
console-consumer-34885, test, 0, unknown, 0, unknown, consumer-1_/192.168.1.64

0.10.2 output:
bin/kafka-consumer-groups --bootstrap-server localhost:9092 --new-consumer --describe --group console-consumer-34885
Note: This will only show information about consumers that use the Java consumer API (non-ZooKeeper-based consumers).


TOPIC                          PARTITION  CURRENT-OFFSET  LOG-END-OFFSET  LAG        CONSUMER-ID                                       HOST                           CLIENT-ID




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