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https://issues.apache.org/jira/browse/ROCKETMQ-109?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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dongeforever updated ROCKETMQ-109:
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Fix Version/s: 4.1.0-incubating
> View BrokerStats may result in ClassCastException when using store plugin
> -------------------------------------------------------------------------
>
> Key: ROCKETMQ-109
> URL: https://issues.apache.org/jira/browse/ROCKETMQ-109
> Project: Apache RocketMQ
> Issue Type: Bug
> Components: rocketmq-broker
> Reporter: Jaskey Lam
> Assignee: yukon
> Fix For: 4.1.0-incubating
>
>
> {code}
> private RemotingCommand ViewBrokerStatsData(ChannelHandlerContext ctx,
> RemotingCommand request) throws RemotingCommandException {
> ..//others
> DefaultMessageStore messageStore = (DefaultMessageStore)
> this.brokerController.getMessageStore();//will result in ClassCastException
> when using plugin because plugin is not type of "DefaultMessageStore "
> ..//others
> {code}
> I suggest adding a interface "getStatsItem" to MessageStore to avoid type
> cast.
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