After the same service is restarted, the registration is reported to nacos repeatedly.

[wand007]

Issue Description

Type: bug report

Describe what happened (or what feature you want)

spirngcloud服务向nacos注册成功后 ，在次重启这个Springcloud服务 ，服务重启会报错

Describe what you expected to happen

重启后能注册成功

How to reproduce it (as minimally and precisely as possible)

1. 首次启动nacos服务
2. 启动一个Spring cloud服务，并注册成功注册到nacos服务
3. 注册成功后重启这个Spring cloud 服务，此时这个springcloud服务会重启失败

Tell us your environment

MacOS 版本10.13.4 (17E199)
Nacos版本nacos-server-1.0.0-RC3.tar.gz
spring-cloud版本Greenwich.SR1
nacos-config-spring-boot-starter版本0.2.1
nacos-discovery-spring-boot-starter版本0.2.1

Anything else we need to know?

nacosk控制台

错误日志

[nacos-bot]

Hi @winter-git, we detect non-English characters in the issue. This comment is an auto translation from @nacos-bot to help other users to understand this issue.
We encourage you to describe your issue in English which is more friendly to other users.

After the same service is restarted, the registration is reported to nacos repeatedly.

Issue Description

Type: bug report

Describe what happened (or what feature you want)

After the spirngcloud service is successfully registered with nacos, the Springcloud service is restarted, and the service restart will report an error.

Describe what you expected to happen

Can register successfully after restarting

How to reproduce it (as minimally and precisely as possible)

1. Start the nacos service for the first time
2. Start a Spring cloud service and register to successfully register to the nacos service
3. Restart the Spring cloud service after successful registration. At this time, the springcloud service will fail to restart.

Tell us your environment

MacOS version 10.13.4 (17E199)
Nacos version nacos-server-1.0.0-RC3.tar.gz
Spring-cloud version Greenwich.SR1
Nacos-config-spring-boot-starter version 0.2.1
Nacos-discovery-spring-boot-starter version 0.2.1

Anything else we need to know?

Nacosk console

Error log

[nkorange]

same problem with #1029