{"action":"created","issue":{"url":"https://api.github.com/repos/FasterXML/jackson-databind/issues/154","labels_url":"https://api.github.com/repos/FasterXML/jackson-databind/issues/154/labels{/name}","comments_url":"https://api.github.com/repos/FasterXML/jackson-databind/issues/154/comments","events_url":"https://api.github.com/repos/FasterXML/jackson-databind/issues/154/events","html_url":"https://github.com/FasterXML/jackson-databind/issues/154","id":10320813,"number":154,"title":"Problem with @JsonIdentityInfo, polymorphic types","user":{"login":"cowtowncoder","id":55065,"avatar_url":"https://avatars.githubusercontent.com/u/55065?v=3","gravatar_id":"","url":"https://api.github.com/users/cowtowncoder","html_url":"https://github.com/cowtowncoder","followers_url":"https://api.github.com/users/cowtowncoder/followers","following_url":"https://api.github.com/users/cowtowncoder/following{/other_user}","gists_url":"https://api.github.com/users/cowtowncoder/gists{/gist_id}","starred_url":"https://api.github.com/users/cowtowncoder/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cowtowncoder/subscriptions","organizations_url":"https://api.github.com/users/cowtowncoder/orgs","repos_url":"https://api.github.com/users/cowtowncoder/repos","events_url":"https://api.github.com/users/cowtowncoder/events{/privacy}","received_events_url":"https://api.github.com/users/cowtowncoder/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":5,"created_at":"2013-01-25T18:16:56Z","updated_at":"2015-01-08T22:30:57Z","closed_at":"2015-01-08T22:30:57Z","body":"As per:\r\n\r\nhttps://gist.github.com/4628795\r\n\r\nit looks like combination of type and identity info may have issues.\r\n"},"comment":{"url":"https://api.github.com/repos/FasterXML/jackson-databind/issues/comments/69262038","html_url":"https://github.com/FasterXML/jackson-databind/issues/154#issuecomment-69262038","issue_url":"https://api.github.com/repos/FasterXML/jackson-databind/issues/154","id":69262038,"user":{"login":"cowtowncoder","id":55065,"avatar_url":"https://avatars.githubusercontent.com/u/55065?v=3","gravatar_id":"","url":"https://api.github.com/users/cowtowncoder","html_url":"https://github.com/cowtowncoder","followers_url":"https://api.github.com/users/cowtowncoder/followers","following_url":"https://api.github.com/users/cowtowncoder/following{/other_user}","gists_url":"https://api.github.com/users/cowtowncoder/gists{/gist_id}","starred_url":"https://api.github.com/users/cowtowncoder/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cowtowncoder/subscriptions","organizations_url":"https://api.github.com/users/cowtowncoder/orgs","repos_url":"https://api.github.com/users/cowtowncoder/repos","events_url":"https://api.github.com/users/cowtowncoder/events{/privacy}","received_events_url":"https://api.github.com/users/cowtowncoder/received_events","type":"User","site_admin":false},"created_at":"2015-01-08T22:30:57Z","updated_at":"2015-01-08T22:30:57Z","body":"I think this is an invalid test case, as it uses incompatible polymorphic type definition: when writing, polymorphic handling is available (from full type); but when reading, `BaseEntity` is used, which has no indication of type handling.\r\n\r\nSo, either base type must have `@JsonTypeInfo`, or call to serialization must force use of base type, to exclude type information. Although latter choice is problematic as well, as it will then exclude additional properties.\r\n"}}