fix specmembername not found,cannot GetTableDataFromCluster

liuxiaolong

2019-12-04 1f819a31e020d4c861807245d35f504ed0d910c3

fix specmembername not found,cannot GetTableDataFromCluster

 agent.go

@@ -505,6 +505,9 @@
        }
    }
    logger.Info("mbs:",mbs,"a.conf.BindAddr:",a.conf.BindAddr,"specmembername:",specmembername)
    if specmembername == "" {//如果未找到目标节点，说明当前集群内除了本节点，没有其他可用节点
        return nil,errors.New("specmembername not found")
    }

    //query: get db file.
    params := serf.QueryParam{