dead letter queue

基本解釋

The dead-letter queue is a queue managed by the sending application's queue manager that stores messages that have failed to be delivered or have expired.
死信隊(duì)列是由發(fā)送應(yīng)用程序的隊(duì)列琯理器琯理的隊(duì)列，可以存儲未能傳遞或已過期的消息。
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
該結(jié)搆包含目標(biāo)隊(duì)列的名稱和將消息放在死信隊(duì)列上的原因。
In the case of delivery failure for transactional messages, the message is sent to the transactional dead-letter queue on the source computer in all negative and in-doubt cases.
一旦事務(wù)性消息傳遞失敗，則在所有否定的和不確定的情況下，消息將被發(fā)送到源計(jì)算機(jī)上的事務(wù)性死信隊(duì)列。