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https://issues.apache.org/jira/browse/ROCKETMQ-25?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15797418#comment-15797418
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ASF subversion and git services commented on ROCKETMQ-25:
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Commit b421d48c476e74a8c7bb8129979df1dc0cb5a5a5 in incubator-rocketmq's branch
refs/heads/master from [~lizhanhui]
[ https://git-wip-us.apache.org/repos/asf?p=incubator-rocketmq.git;h=b421d48 ]
Fix https://issues.apache.org/jira/browse/ROCKETMQ-25
> Query Msg by key: Possible concurrent access to LinkedList
> ----------------------------------------------------------
>
> Key: ROCKETMQ-25
> URL: https://issues.apache.org/jira/browse/ROCKETMQ-25
> Project: Apache RocketMQ
> Issue Type: Bug
> Components: rocketmq-client, rocketmq-tools
> Affects Versions: 4.0.0-incubating
> Environment: All
> Reporter: Zhanhui Li
> Assignee: Xiaorui Wang
> Priority: Minor
> Fix For: 4.0.0-incubating
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> As queries are delivered to all brokers asynchronously, callbacks may be
> executed simultaneously, which results in concurrent access to LinkedList, a
> thread-unsafe container.
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