Only log in FindServers

In FindServer this is a useful warning hinting why its call failed. RPC returns error and leaves it to the higher level caller to do whatever it wants. As an operator, I'd have the detail necessary to know why the RPC call(s) failed.

consul/client.go

@@ -324,7 +324,6 @@ func (c *Client) localEvent(event serf.UserEvent) {
 func (c *Client) RPC(method string, args interface{}, reply interface{}) error {
 	server := c.serverMgr.FindServer()
 	if server == nil {
-		c.logger.Printf("[ERR] consul: No healthy servers found in the server config")
 		return structs.ErrNoServers
 	}
 

consul/server_manager/server_manager.go

@@ -146,7 +146,7 @@ func (sm *ServerManager) FindServer() *server_details.ServerDetails {
 	serverCfg := sm.getServerConfig()
 	numServers := len(serverCfg.servers)
 	if numServers == 0 {
-		sm.logger.Printf("[WARN] consul: No servers found in the server config")
+		sm.logger.Printf("[WARN] consul: No servers available")
 		return nil
 	} else {
 		// Return whatever is at the front of the list because it is