{"action":"closed","issue":{"url":"https://api.github.com/repos/FasterXML/jackson-core/issues/298","repository_url":"https://api.github.com/repos/FasterXML/jackson-core","labels_url":"https://api.github.com/repos/FasterXML/jackson-core/issues/298/labels{/name}","comments_url":"https://api.github.com/repos/FasterXML/jackson-core/issues/298/comments","events_url":"https://api.github.com/repos/FasterXML/jackson-core/issues/298/events","html_url":"https://github.com/FasterXML/jackson-core/issues/298","id":166518105,"number":298,"title":"object to json JsonMappingException","user":{"login":"34gl3","id":5198502,"avatar_url":"https://avatars.githubusercontent.com/u/5198502?v=3","gravatar_id":"","url":"https://api.github.com/users/34gl3","html_url":"https://github.com/34gl3","followers_url":"https://api.github.com/users/34gl3/followers","following_url":"https://api.github.com/users/34gl3/following{/other_user}","gists_url":"https://api.github.com/users/34gl3/gists{/gist_id}","starred_url":"https://api.github.com/users/34gl3/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/34gl3/subscriptions","organizations_url":"https://api.github.com/users/34gl3/orgs","repos_url":"https://api.github.com/users/34gl3/repos","events_url":"https://api.github.com/users/34gl3/events{/privacy}","received_events_url":"https://api.github.com/users/34gl3/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":3,"created_at":"2016-07-20T07:48:08Z","updated_at":"2016-07-21T22:38:48Z","closed_at":"2016-07-21T22:38:48Z","body":"I'm new to jackson project. I want to convert an htmlpage object(Htmlunit) to json but it throws a JsonMappingException caused by an exception in htmlunit. how do make it work?\r\n```\r\n\r\ncom.fasterxml.jackson.databind.JsonMappingException: HtmlPage.getImplementation is not yet implemented.\r\nHtmlPage.getImplementation is not yet implemented.\r\n\tat com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:303)\r\n\tat com.fasterxml.jackson.databind.ObjectMapper._configAndWriteValue(ObjectMapper.java:3672)\r\n\tat com.fasterxml.jackson.databind.ObjectMapper.writeValue(ObjectMapper.java:2988)\r\n\tat test.htmlunit.getPage(htmlunit.java:83)\r\n\tat test.main.main(main.java:25)\r\nCaused by: java.lang.UnsupportedOperationException: HtmlPage.getImplementation is not yet implemented.\r\n\tat com.gargoylesoftware.htmlunit.html.HtmlPage.getImplementation(HtmlPage.java:530)\r\n\tat org.apache.xml.serializer.dom3.LSSerializerImpl.getXMLVersion(LSSerializerImpl.java:1383)\r\n\tat org.apache.xml.serializer.dom3.LSSerializerImpl.writeToString(LSSerializerImpl.java:1123)\r\n\tat com.fasterxml.jackson.databind.ext.DOMSerializer.serialize(DOMSerializer.java:40)\r\n\tat com.fasterxml.jackson.databind.ext.DOMSerializer.serialize(DOMSerializer.java:18)\r\n\tat com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:292)\r\n\t... 6 more\r\n```"}}
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