Getting all instance registry info without timeout

[yangqiancheng90]

the version of eureka as follows: <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId> 3.1.3

I find that the method of RestTemplateTransportClientFactory#restTemplate(String serviceUrl) creates RestTemplate without config of timeout. This will cause getting all instance registry info timeout makes it much easier for us to diagnose the problem and to verify that