Brokerdoesn'tsupportgroupmetadatacommitAPIonversion2,minimumsupportedrequestversionis3whichrequiresbrokerstobeonversion2.5orabove. 主要是kafka版本太小了，不支持SPringBoot3.0以上的客户端，事务不能支持

 实例化RestTemplate---负载均衡 importorg.springframework.cloud.client.loadbalancer.LoadBalanced;importorg.springframework.context.annotation.Bean;importorg.springframework.context.annotation.Configuration;importorg.springframework.web.client.RestTemplate;importcom.netflix.loadbalancer.IRule;import...