Always assign a dead letter queue (DLQ) to the queue manager.
始终为队列管理器分配死信队列(dead letter queue, DLQ)。
Check that the queue manager you will be using has enabled DLQ processing.
检查要使用的队列管理器是否启用了DLQ处理功能。
If you do not define a DLQ, errors in the application programs may cause channels to shut down.
如果不定义DLQ，应用程序中的错误可能导致通道关闭。
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