{"action":"opened","issue":{"url":"https://api.github.com/repos/mesosphere/marathon/issues/3419","repository_url":"https://api.github.com/repos/mesosphere/marathon","labels_url":"https://api.github.com/repos/mesosphere/marathon/issues/3419/labels{/name}","comments_url":"https://api.github.com/repos/mesosphere/marathon/issues/3419/comments","events_url":"https://api.github.com/repos/mesosphere/marathon/issues/3419/events","html_url":"https://github.com/mesosphere/marathon/issues/3419","id":139226336,"number":3419,"title":"tasks health check result will be Unknown when mesos leader re-elect","user":{"login":"heww","id":5634205,"avatar_url":"https://avatars.githubusercontent.com/u/5634205?v=3","gravatar_id":"","url":"https://api.github.com/users/heww","html_url":"https://github.com/heww","followers_url":"https://api.github.com/users/heww/followers","following_url":"https://api.github.com/users/heww/following{/other_user}","gists_url":"https://api.github.com/users/heww/gists{/gist_id}","starred_url":"https://api.github.com/users/heww/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/heww/subscriptions","organizations_url":"https://api.github.com/users/heww/orgs","repos_url":"https://api.github.com/users/heww/repos","events_url":"https://api.github.com/users/heww/events{/privacy}","received_events_url":"https://api.github.com/users/heww/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-03-08T09:39:40Z","updated_at":"2016-03-08T09:39:40Z","closed_at":null,"body":"tasks health check (HTTP/TCP protocol ) result will be Unknown when mesos leader re-elect (eg, mesos leader restarted) and then marathon-lb generate wrong haproxy.cfg which make web app 503."}}