{"action":"opened","issue":{"url":"https://api.github.com/repos/Netflix/Hystrix/issues/971","labels_url":"https://api.github.com/repos/Netflix/Hystrix/issues/971/labels{/name}","comments_url":"https://api.github.com/repos/Netflix/Hystrix/issues/971/comments","events_url":"https://api.github.com/repos/Netflix/Hystrix/issues/971/events","html_url":"https://github.com/Netflix/Hystrix/issues/971","id":116615395,"number":971,"title":"Throwing an exception in onRunStart hook still lets run() execute","user":{"login":"mattrjacobs","id":205579,"avatar_url":"https://avatars.githubusercontent.com/u/205579?v=3","gravatar_id":"","url":"https://api.github.com/users/mattrjacobs","html_url":"https://github.com/mattrjacobs","followers_url":"https://api.github.com/users/mattrjacobs/followers","following_url":"https://api.github.com/users/mattrjacobs/following{/other_user}","gists_url":"https://api.github.com/users/mattrjacobs/gists{/gist_id}","starred_url":"https://api.github.com/users/mattrjacobs/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mattrjacobs/subscriptions","organizations_url":"https://api.github.com/users/mattrjacobs/orgs","repos_url":"https://api.github.com/users/mattrjacobs/repos","events_url":"https://api.github.com/users/mattrjacobs/events{/privacy}","received_events_url":"https://api.github.com/users/mattrjacobs/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/Netflix/Hystrix/labels/bug","name":"bug","color":"fc2929"},{"url":"https://api.github.com/repos/Netflix/Hystrix/labels/hystrix-core","name":"hystrix-core","color":"009800"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-11-12T18:50:31Z","updated_at":"2015-11-12T18:50:31Z","closed_at":null,"body":"If the hook throws an exception, it should propagate the error to the caller as the execution result and *not* perform the work in the execution observable.\r\n\r\nThe current behavior returns the error thrown by the hook and performs the work in the execution observable."}}