Request processing failed; nested exception is com.alibaba.dubbo.rpc.RpcException: Failed to invoke the method selectNews in the service com.ddy.news.service.QueryNewsService. Tried 3 times of the providers [192.168.1.143:20881] (1/1) from the registry localhost:2181 on the consumer 192.168.1.143 using the dubbo version 2.5.3. Last error is: Failed to invoke remote method: selectNews, provider: dubbo://192.168.1.143:20881/com.ddy.news.service.QueryNewsService?anyhost=true&application=cct-manager&check=false&dubbo=2.8.4&generic=false&interface=com.ddy.news.service.QueryNewsService&methods=updateISShowByUniquekey,selectNews,deleteNewsByUniquekey,selectNewsCount&pid=9816&revision=0.0.1-SNAPSHOT&side=consumer&timeout=10000&timestamp=1517020359465, cause: Fail to decode request due to: RpcInvocation [methodName=selectNews, parameterTypes=null, arguments=null, attachments={path=com.ddy.news.service.QueryNewsService, input=206, dubbo=2.5.3, version=0.0.0}]