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Posted to issues@rocketmq.apache.org by "dongeforever (JIRA)" <ji...@apache.org> on 2017/05/26 07:18:04 UTC

[jira] [Closed] (ROCKETMQ-175) Consumer may miss messages because of inconsistent subscription

     [ https://issues.apache.org/jira/browse/ROCKETMQ-175?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

dongeforever closed ROCKETMQ-175.
---------------------------------
    Resolution: Fixed

> Consumer may miss messages because of inconsistent subscription
> ---------------------------------------------------------------
>
>                 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: Eric Liu
>             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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