GitHub user cpupg added a comment to the discussion: 发送消息报错No topic route info
破案了，和上面说的没关系，实际原因是`MessageListener#consume`这个方法里出现异常，然后在`org.apache.rocketmq.client.java.impl.consumer.ConsumeTask#call`这个方法里有这么一行：
```java
log.error("Message listener raised an exception while consuming messages,
clientId={}, mq={}, " +
"messageId={}", clientId, messageView.getMessageQueue(),
messageView.getMessageId(), t);
```
我debug的时候发现log的级别是null，因此没有输出异常。我在debug接面手动改成trace依然没有输出异常。这应该是一个bug吧？
GitHub link:
https://github.com/apache/rocketmq/discussions/8008#discussioncomment-9130655
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