unlizhao edited a comment on pull request #10348:
URL: https://github.com/apache/kafka/pull/10348#issuecomment-801972726
@dajac Thanks for your reviewed.
Normally, this value(`group.groupState()`) is the network request processed
by the customer in the cluster when sending the consumergroups message.
Normally, the response will carry this value.
If this value is not set, `group.groupStat ()` will be a null. This way of
writing `group.groupState().Equals (‘’)` will report null pointer exception.
You can try to do this and you'll see this.` org.apache.kafka .
clients.admin.KafkaAdminClientTest#testListConsumerGroupsWithStates`
`Change to setgroupstate ("stable") ==> setgroupstate (null)`
However, according to the normal design, the `response` without `groupstate`
itself is illegal, and it is reasonable not to handle this response.
Even if NPE occurs, this method is in the outer try catch and will not cause
system crash.
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