This user will administer the message queue.

此用户将管理消息队列。

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During queue creation, the user must specify the maximum length of the queue and the maximum size of an individual message.

在创建队列时，用户必须指定队列的最大长度和一个消息的最大大小。

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If the user of the Web application is able to send a message to the warehouse queue, then that user could get goods shipped without paying for them, simply by sending a new message.

如果Web应用程序的用户能够向仓库队列发送消息，则该用户可以直接通过发送一条新消息，从而在不用支付的情况下就让仓库配送货物。

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