[jira] [Updated] (ROCKETMQ-102) When shutdown(), the persisted offfet is not the latest consumed message, which may cause repeated messages

["Jaskey Lam (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ROCKETMQ-102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jaskey Lam updated ROCKETMQ-102:
--------------------------------
    Summary: When shutdown(), the persisted offfet is not the latest consumed message, which may cause repeated messages  (was: Offet Persisted is not the latest consumed message, which may cause repeated messages)

> When shutdown(), the persisted offfet is not the latest consumed message, which may cause repeated messages
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: ROCKETMQ-102
>                 URL: https://issues.apache.org/jira/browse/ROCKETMQ-102
>             Project: Apache RocketMQ
>          Issue Type: Improvement
>          Components: rocketmq-client
>            Reporter: Jaskey Lam
>            Assignee: Xiaorui Wang
>
> When shutdown push consumer, push consumer will shutdwon thread pool then persist offset.
> While shutdown thread pool is only stop submiting message to consume, which does not stop consuming message which exists in the the thread queue or is already being consumed.
> Which will cause repeated message very easily though user are shutdown gracefully according to the provided interface.
> A way to solve this problem is needed. Such as accpet a param that how long to wait for thread pool to terminated.



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