Messages can be put on the dead-letter queue by queue managers, message channel agents (MCAs), and applications.
消息可由队列管理器、消息通道、消息通道代理程序(mca)和应用程序放到死信队列上。
Applications that get messages from the dead-letter queue must verify that the messages begin with an MQDLH structure.
从死信队列获取消息的应用程序必须确保消息以MQDLH结构开头。
This structure includes the name of the destination queue and the reason why the message was put on the dead-letter queue. Table 3 lists the main fields in MQDLH.
该结构包含目标队列的名称和将消息放在死信队列上的原因。
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