启动FlowApplication，一种报错no available service 'null' found

一、该问题的重现步骤是什么？

2. 

3.

二、你期待的结果是什么？实际看到的又是什么？

期待不报这个错误，实际还是报错

三、你正在使用的是什么产品，什么版本？在什么操作系统上？

spring BladeX。                         win10

四、请提供详细的错误堆栈信息，这很重要。

ERROR 2896 --- [imeoutChecker_1] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

2020-09-03 14:31:17.260 ERROR 2896 --- [imeoutChecker_2] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

2020-09-03 14:31:27.244 ERROR 2896 --- [imeoutChecker_1] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

2020-09-03 14:31:27.251 ERROR 2896 --- [imeoutChecker_2] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

2020-09-03 14:31:37.234 ERROR 2896 --- [imeoutChecker_1] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

2020-09-03 14:31:37.263 ERROR 2896 --- [imeoutChecker_2] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

2020-09-03 14:31:47.245 ERROR 2896 --- [imeoutChecker_1] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

2020-09-03 14:31:47.261 ERROR 2896 --- [imeoutChecker_2] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

2020-09-03 14:31:57.248 ERROR 2896 --- [imeoutChecker_1] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

2020-09-03 14:31:57.251 ERROR 2896 --- [imeoutChecker_2] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

2020-09-03 14:32:07.233 ERROR 2896 --- [imeoutChecker_1] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

2020-09-03 14:32:07.256 ERROR 2896 --- [imeoutChecker_2] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

2020-09-03 14:32:17.235 ERROR 2896 --- [imeoutChecker_1] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

2020-09-03 14:32:17.251 ERROR 2896 --- [imeoutChecker_2] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

2020-09-03 14:32:27.233 ERROR 2896 --- [imeoutChecker_1] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

2020-09-03 14:32:27.252 ERROR 2896 --- [imeoutChecker_2] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

2020-09-03 14:32:37.233 ERROR 2896 --- [imeoutChecker_1] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

2020-09-03 14:32:37.252 ERROR 2896 --- [imeoutChecker_2] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

2020-09-03 14:32:47.234 ERROR 2896 --- [imeoutChecker_1] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

2020-09-03 14:32:47.261 ERROR 2896 --- [imeoutChecker_2] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

2020-09-03 14:32:57.233 ERROR 2896 --- [imeoutChecker_1] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

2020-09-03 14:32:57.263 ERROR 2896 --- [imeoutChecker_2] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

2020-09-03 14:33:07.237 ERROR 2896 --- [imeoutChecker_1] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

2020-09-03 14:33:07.251 ERROR 2896 --- [imeoutChecker_2] i.s.c.r.netty.NettyClientChannelManager  : no available service 'null' found, please make sure registry config correct

五、若有更多详细信息，请在下面提供。