channel error; protocol method: #method<channel.close>(reply-code=404, reply-text=NOT_FOUND

channel error; protocol method: #method<channel.close>(reply-code=404, reply-text=NOT_FOUND - no queue 'ack_queue' in vhost 'root', class-id=60, method-id=20)是一个错误消息，表明在虚拟主机'root'中没有名为'ack_queue'的队列。这种错误通常会发生在RabbitMQ消息队列中，当消费者尝试从一个不存在的队列中接收消息时会触发该错误。这可能是由于生产者未正确创建队列或消费者尝试从错误的队列进行消费导致的。为了解决这个问题，需要先确保生产者已经成功创建了队列，并且消费者在运行之前需要确保该队列已经存在。这样，消费者才能从正确的队列中接收到消息并成功消费。
另外，还有一个错误消息是Error: {:plugins_not_found, [:“rabbitmq_delayed_message_exchange-3.9.0.ez“]}，这表明找不到名为“rabbitmq_delayed_message_exchange-3.9.0.ez”的插件。这可能是因为插件文件不存在或未正确安装所致。要解决这个问题，可以尝试重新安装或更新插件，确保插件文件存在且正确配置。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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