{"action":"created","issue":{"url":"https://api.github.com/repos/ruby-opencv/ruby-opencv/issues/72","repository_url":"https://api.github.com/repos/ruby-opencv/ruby-opencv","labels_url":"https://api.github.com/repos/ruby-opencv/ruby-opencv/issues/72/labels{/name}","comments_url":"https://api.github.com/repos/ruby-opencv/ruby-opencv/issues/72/comments","events_url":"https://api.github.com/repos/ruby-opencv/ruby-opencv/issues/72/events","html_url":"https://github.com/ruby-opencv/ruby-opencv/issues/72","id":105239402,"number":72,"title":"/tmp/opencv20150906-42178-3d0iam/opencv-2.4.12/modules/core/src/persistence.cpp:5008: error: (-2) The node does not represent a user object (unknown type?) in function cvRead (OpenCV::CvStsError)","user":{"login":"smoothdvd","id":22420,"avatar_url":"https://avatars.githubusercontent.com/u/22420?v=3","gravatar_id":"","url":"https://api.github.com/users/smoothdvd","html_url":"https://github.com/smoothdvd","followers_url":"https://api.github.com/users/smoothdvd/followers","following_url":"https://api.github.com/users/smoothdvd/following{/other_user}","gists_url":"https://api.github.com/users/smoothdvd/gists{/gist_id}","starred_url":"https://api.github.com/users/smoothdvd/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/smoothdvd/subscriptions","organizations_url":"https://api.github.com/users/smoothdvd/orgs","repos_url":"https://api.github.com/users/smoothdvd/repos","events_url":"https://api.github.com/users/smoothdvd/events{/privacy}","received_events_url":"https://api.github.com/users/smoothdvd/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":4,"created_at":"2015-09-07T15:51:24Z","updated_at":"2016-02-19T16:38:50Z","closed_at":null,"body":"When run the code with ruby-opencv, ruby 2.2.1, opencv: 2.4.12 (installed by homebrew under Mac OS X 10.10.5)\r\n\r\n```\r\ndetector = CvHaarClassifierCascade::load '/usr/local/share/OpenCV/haarcascades/haarcascade_frontalface_alt.xml'\r\n```\r\nThis line report error. \r\nAny helps?"},"comment":{"url":"https://api.github.com/repos/ruby-opencv/ruby-opencv/issues/comments/186291998","html_url":"https://github.com/ruby-opencv/ruby-opencv/issues/72#issuecomment-186291998","issue_url":"https://api.github.com/repos/ruby-opencv/ruby-opencv/issues/72","id":186291998,"user":{"login":"charly","id":13217,"avatar_url":"https://avatars.githubusercontent.com/u/13217?v=3","gravatar_id":"","url":"https://api.github.com/users/charly","html_url":"https://github.com/charly","followers_url":"https://api.github.com/users/charly/followers","following_url":"https://api.github.com/users/charly/following{/other_user}","gists_url":"https://api.github.com/users/charly/gists{/gist_id}","starred_url":"https://api.github.com/users/charly/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/charly/subscriptions","organizations_url":"https://api.github.com/users/charly/orgs","repos_url":"https://api.github.com/users/charly/repos","events_url":"https://api.github.com/users/charly/events{/privacy}","received_events_url":"https://api.github.com/users/charly/received_events","type":"User","site_admin":false},"created_at":"2016-02-19T16:38:50Z","updated_at":"2016-02-19T16:38:50Z","body":"Had the same problem so I got the [data out of the version 2.40 of opencv](https://raw.githubusercontent.com/Itseez/opencv/2.4.10.4/data/haarcascades/haarcascade_frontalface_alt.xml) "}}