{"action":"opened","issue":{"url":"https://api.github.com/repos/fo-dicom/fo-dicom/issues/168","labels_url":"https://api.github.com/repos/fo-dicom/fo-dicom/issues/168/labels{/name}","comments_url":"https://api.github.com/repos/fo-dicom/fo-dicom/issues/168/comments","events_url":"https://api.github.com/repos/fo-dicom/fo-dicom/issues/168/events","html_url":"https://github.com/fo-dicom/fo-dicom/issues/168","id":122628732,"number":168,"title":"Static dicom dictionary initialisation - race condition remains","user":{"login":"IanYates","id":1314477,"avatar_url":"https://avatars.githubusercontent.com/u/1314477?v=3","gravatar_id":"","url":"https://api.github.com/users/IanYates","html_url":"https://github.com/IanYates","followers_url":"https://api.github.com/users/IanYates/followers","following_url":"https://api.github.com/users/IanYates/following{/other_user}","gists_url":"https://api.github.com/users/IanYates/gists{/gist_id}","starred_url":"https://api.github.com/users/IanYates/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/IanYates/subscriptions","organizations_url":"https://api.github.com/users/IanYates/orgs","repos_url":"https://api.github.com/users/IanYates/repos","events_url":"https://api.github.com/users/IanYates/events{/privacy}","received_events_url":"https://api.github.com/users/IanYates/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-12-16T23:40:18Z","updated_at":"2015-12-16T23:40:18Z","closed_at":null,"body":"As per https://groups.google.com/forum/#!topic/fo-dicom/36xK6qUHt3Y\r\n\r\nThe issue is that our double-check lock has the _default value set too early.  There's a chance a reader could be given _default and begin using it before the thread that won the initialisation race has actually finished initialising it."}}