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Posted to issues@rocketmq.apache.org by "Eric Liu (JIRA)" <ji...@apache.org> on 2017/04/13 07:18:42 UTC

[jira] [Created] (ROCKETMQ-175) Inconsistent subscriptions may filter messages

Eric Liu created ROCKETMQ-175:
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             Summary: Inconsistent subscriptions may filter messages
                 Key: ROCKETMQ-175
                 URL: https://issues.apache.org/jira/browse/ROCKETMQ-175
             Project: Apache RocketMQ
          Issue Type: Bug
          Components: rocketmq-broker
    Affects Versions: 4.0.0-incubating
            Reporter: Eric Liu
            Assignee: yukon
             Fix For: 4.1.0-incubating


When consumers in one group have different subscriptions(with tag), broker will select the one has latest client version. Although when this consumer shutdown, broker would not update the subscription until someone in group  restart, so other consumers will miss messages by the dead consumer's tag.

Broker should refresh the  group's subscriptions when someone was off-line.



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