when I install jenkins by kubernetes, jenkins container will download metadata and check updates server, what does these two steps do specifically? and how can I deal with the result of JVM terminated, because of timeout with updates server.
//2020-04-20 09:18:31.717+0000 [id=25] INFO jenkins.InitReactorRunner$1#onAttained: Loaded all jobs2020-04-20 09:18:31.717+0000 [id=25] INFO jenkins.InitReactorRunner$1#onAttained: Loaded all jobs2020-04-20 09:18:31.745+0000 [id=37] INFO hudson.model.AsyncPeriodicWork#lambda$doRun$0: Started Download metadata2020-04-20 09:18:31.758+0000 [id=37] INFO hudson.util.Retrier#start: Attempt #1 to do the action check updates server2020-04-20 09:18:32.376+0000 [id=25] INFO o.s.c.s.AbstractApplicationContext#prepareRefresh: Refreshing org.springframework.web.context.support.StaticWebApplicationContext@2cc36990: display name [Root WebApplicationContext]; startup date [Mon Apr 20 17:18:32 CST 2020]; root of context hierarchy2020-04-20 09:18:32.377+0000 [id=25] INFO o.s.c.s.AbstractApplicationContext#obtainFreshBeanFactory: Bean factory for application context [org.springframework.web.context.support.StaticWebApplicationContext@2cc36990]: org.springframework.beans.factory.support.DefaultListableBeanFactory@47526af32020-04-20 09:18:32.392+0000 [id=25] INFO o.s.b.f.s.DefaultListableBeanFactory#preInstantiateSingletons: Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@47526af3: defining beans [filter,legacy]; root of factory hierarchy2020-04-20 09:18:32.564+0000 [id=25] INFO o.c.j.p.k.KubernetesClientProvider$SaveableListenerImpl#onChange: Invalidating Kubernetes client: kubernetes null2020-04-20 09:20:36.022+0000 [id=21] INFO winstone.Logger#logInternal: JVM is terminating. Shutting down Jetty