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The correct rocketmq receives the message annotations

Time:12-16

 
@ Component
@ RocketMQMessageListener (topic="order - topic", consumerGroup="order - group - consume", nameServer="localhost: 9876")


An error
 
The 2020-12-15 13:44:20. ERROR 190-13656 [main] C.A.C.S.B.R.I.R ocketMQMessageSource: DefaultMQPullConsumer startup ERROR: the specified group is blank
For more information, both please visit the url, http://rocketmq.apache.org/docs/faq/

Org. Apache. Rocketmq. Client. Exception. MQClientException: the specified group is blank
For more information, both please visit the url, http://rocketmq.apache.org/docs/faq/
The at org. Apache. Rocketmq. Client. The Validators. CheckGroup (Validators. Java: 54) ~ [rocketmq - the client - 4.5.1. Jar: 4.5.1]
The at org. Apache. Rocketmq. Client. Impl. Consumer. DefaultMQPullConsumerImpl. CheckConfig (DefaultMQPullConsumerImpl. Java: 690) ~ [rocketmq - the client - 4.5.1. Jar: 4.5.1]
The at org. Apache. Rocketmq. Client. Impl. Consumer. DefaultMQPullConsumerImpl. Start (DefaultMQPullConsumerImpl. Java: 624) ~ [rocketmq - the client - 4.5.1. Jar: 4.5.1]
The at org. Apache. Rocketmq. Client. Consumer. DefaultMQPullConsumer. Start (DefaultMQPullConsumer. Java: 292) ~ [rocketmq - the client - 4.5.1. Jar: 4.5.1]
At com. Alibaba. Cloud. Stream. Binder. Rocketmq. Integration. RocketMQMessageSource. Start (RocketMQMessageSource. Java: 145) ~ [spring - the cloud - starter - stream - rocketmq - 2.2.1. The jar: 2.2.1. RELEASE]
The at org. Springframework. Cloud. Stream. Binder. AbstractMessageChannelBinder. BindPollableConsumer (AbstractMessageChannelBinder. Java: 503) [spring -- cloud - stream - 3.0.3. The jar: 3.0.3. RELEASE]
The at org. Springframework. Cloud. Stream. Binding. BindingService. DoBindPollableConsumer (BindingService. Java: 217) [spring -- cloud - stream - 3.0.3. The jar: 3.0.3. RELEASE]
The at org. Springframework. Cloud. Stream. Binding. BindingService. BindConsumer (BindingService. Java: 124) [spring -- cloud - stream - 3.0.3. The jar: 3.0.3. RELEASE]
The at org. Springframework. Cloud. Stream. Binding. AbstractBindableProxyFactory. CreateAndBindInputs (AbstractBindableProxyFactory. Java: 112) [spring -- cloud - stream - 3.0.3. The jar: 3.0.3. RELEASE]
The at org. Springframework. Cloud. Stream. Binding. InputBindingLifecycle. DoStartWithBindable (58) InputBindingLifecycle. Java: [spring -- cloud - stream - 3.0.3. The jar: 3.0.3. RELEASE]
The at Java. Util. LinkedHashMap $LinkedValues. ForEach (LinkedHashMap. Java: 608) ~ [na: 1.8.0 comes with _271]
The at org. Springframework. Cloud. Stream. Binding. AbstractBindingLifecycle. Start (AbstractBindingLifecycle. Java: 57) ~ [spring -- cloud - stream - 3.0.3. The jar: 3.0.3. RELEASE]
The at org. Springframework. Cloud. Stream. Binding. InputBindingLifecycle. Start (InputBindingLifecycle. Java: 34) [spring -- cloud - stream - 3.0.3. The jar: 3.0.3. RELEASE]
The at org. Springframework. Context. Support. DefaultLifecycleProcessor. DoStart (DefaultLifecycleProcessor. Java: 182) ~ [spring - the context - 5.2.2. The jar: 5.2.2. RELEASE]
The at org. Springframework. Context. Support. DefaultLifecycleProcessor. Access the $200 (DefaultLifecycleProcessor. Java: 53) ~ [spring - the context - 5.2.2. The jar: 5.2.2. RELEASE]
The at org. Springframework. Context. Support. DefaultLifecycleProcessor $LifecycleGroup. Start (DefaultLifecycleProcessor. Java: 360) ~ [spring - the context - 5.2.2. The jar: 5.2.2. RELEASE]
The at org. Springframework. Context. Support. DefaultLifecycleProcessor. StartBeans (DefaultLifecycleProcessor. Java: 158) ~ [spring - the context - 5.2.2. The jar: 5.2.2. RELEASE]
The at org. Springframework. Context. Support. DefaultLifecycleProcessor. OnRefresh (DefaultLifecycleProcessor. Java: 122) ~ [spring - the context - 5.2.2. The jar: 5.2.2. RELEASE]
The at org. Springframework. Context. Support. AbstractApplicationContext. FinishRefresh (AbstractApplicationContext. Java: 894) ~ [spring - the context - 5.2.2. The jar: 5.2.2. RELEASE]
The at org. Springframework. Boot. Web. Servlet. Context. ServletWebServerApplicationContext. FinishRefresh (ServletWebServerApplicationContext. Java: 162) ~ [spring - the boot - 2.2.2. The jar: 2.2.2. RELEASE]
The at org. Springframework. Context. Support. AbstractApplicationContext. Refresh (AbstractApplicationContext. Java: 553) ~ [spring - the context - 5.2.2. The jar: 5.2.2. RELEASE]
The at org. Springframework. Boot. Web. Servlet. Context. ServletWebServerApplicationContext. Refresh (ServletWebServerApplicationContext. Java: 141) ~ [spring - the boot - 2.2.2. The jar: 2.2.2. RELEASE]
The at org. Springframework. Boot. SpringApplication. Refresh (SpringApplication. Java: 747) ~ [spring - the boot - 2.2.2. The jar: 2.2.2. RELEASE]
The at org. Springframework. Boot. SpringApplication. RefreshContext (SpringApplication. Java: 397) ~ [spring - the boot - 2.2.2. The jar: 2.2.2. RELEASE]
The at org. Springframework. Boot. SpringApplication. Run (SpringApplication. Java: 315) ~ [spring - the boot - 2.2.2. The jar: 2.2.2. RELEASE]
The at org. Springframework. Boot. SpringApplication. Run (SpringApplication. Java: 1226) ~ [spring - the boot - 2.2.2. The jar: 2.2.2. RELEASE]
The at org. Springframework. Boot. SpringApplication. Run (SpringApplication. Java: 1215) ~ [spring - the boot - 2.2.2. The jar: 2.2.2. RELEASE]
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