The SQL92 standard is used in the Rocket consumer code
consumer.subscribe("TopicTest", MessageSelector.bySql("a between 0 and 3"));
Daily MQClientException exception occurs The broker does not support consumer to filter message by SQL92
broker.conf
At this time , add the following sentence to the broker configuration file of the server rocketMq :
# 让‘过滤消息’时支持SQL92标准
enablePropertyFilter=true
Restarting the namesrv and broker services will solve the problem, and it can also be seen in the console (it is false before adding):