Unlike scheduled messages, delayed messages, ordered messages, and transactional messages, normal messages are messages without special features in Message Queue for Apache RocketMQ.
Note When you use Message Queue for Apache RocketMQ SDK to send and subscribe to messages, note that a topic for one type of message
cannot be used to send or subscribe to another type of message. For example, a topic
for normal messages can be used only to send and subscribe to normal messages. Similarly,
a topic for transactional messages can be used only to send and subscribe to transactional
messages.
- Sample code for sending and subscribing to normal messages by using the TCP SDK
- Sample code for sending and subscribing to normal messages by using the HTTP SDK
Message Queue for Apache RocketMQ supports RESTful HTTP communication and provides SDKs for the following seven languages:
For more information about the sample code for sending and subscribing to messages, see Message Queue for Apache RocketMQHTTP SDK sample code.
For more information about the HTTP SDK, see HTTP.