[WARN] org.springframework.cloud.loadbalancer.config.LoadBalancerCacheAutoConfiguration$LoadBalancerCaffeineWarnLogger - Spring Cloud LoadBalancer is currently working with the default cache. While this cache implementation is useful for development and tests, it's recommended to use Caffeine cache in production.You can switch to using Caffeine cache, by adding it and org.springframework.cache.caffeine.CaffeineCacheManager to the classpath.
[WARN] com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient - Request execution failed with message: I/O error on GET request for "http://localhost:8761/eureka/apps/": Connect to localhost:8761 [localhost/127.0.0.1, localhost/0:0:0:0:0:0:0:1] failed: Connection refused: connect; nested exception is org.apache.http.conn.HttpHostConnectException: Connect to localhost:8761 [localhost/127.0.0.1, localhost/0:0:0:0:0:0:0:1] failed: Connection refused: connect
[WARN] com.netflix.discovery.DiscoveryClient - Using default backup registry implementation which does not do anything.
[WARN] com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient - Request execution failed with message: I/O error on POST request for "http://localhost:8761/eureka/apps/UNKNOWN": Connect to localhost:8761 [localhost/127.0.0.1, localhost/0:0:0:0:0:0:0:1] failed: Connection refused: connect; nested exception is org.apache.http.conn.HttpHostConnectException: Connect to localhost:8761 [localhost/127.0.0.1, localhost/0:0:0:0:0:0:0:1] failed: Connection refused: connect
[WARN] com.netflix.discovery.DiscoveryClient - DiscoveryClient_UNKNOWN/LAPTOP-PJ6N2E8S:0 - registration failed Cannot execute request on any known server
com.netflix.discovery.shared.transport.TransportException: Cannot execute request on any known server
	at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:112)
	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56)
	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59)
	at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77)
	at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56)
	at com.netflix.discovery.DiscoveryClient.register(DiscoveryClient.java:876)
	at com.netflix.discovery.InstanceInfoReplicator.run(InstanceInfoReplicator.java:121)
	at com.netflix.discovery.InstanceInfoReplicator$1.run(InstanceInfoReplicator.java:101)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:829)
[WARN] com.netflix.discovery.InstanceInfoReplicator - There was a problem with the instance info replicator