Getting null as a property value Json spring auto conversion

Hi,
From my js file there is an ajax call with the following data :

"{"title":"Title","html":"<div>Text</div><div><br></div>","message":"Message"}"

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And i have a java class like :

import org.codehaus.jackson.annotate.JsonIgnoreProperties;
import org.codehaus.jackson.annotate.JsonProperty;
import org.springframework.web.util.HtmlUtils;

@JsonIgnoreProperties(ignoreUnknown = true)
public class Note {

    private String id;
    private String title;
    @JsonProperty("html")
    private String body;

    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String getBody() {
        return body;
    }

    public void setBody(String body) {
        this.body = body;
    }

    public void parseHtml() {
        body = HtmlUtils.htmlEscape(body);
        title = HtmlUtils.htmlEscape(title);
    }

}

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The controller corresponding to this request is :
   public void createNote(@RequestBody Note note, HttpServletResponse response) throws IOException {


Using debugger i found that although the value for title in note class is getting set properly but i am getting body = null.

what could be reason for that ?

Thanks