Dubbo报错之 No provider available for the service use dubbo version 2.5.3

com.alibaba.dubbo.rpc.RpcException: No provider available from registry 127.0.0.1:2181 for service cn.qlq.service.user.UserService:1.0.0 on consumer 10.10.24.4 use dubbo version 2.6.0, may be provider

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