playframework - When I uploading data, doubles fields Play framework -

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i don't know why, when calling save method, fields come me "title, title", "body, body". why happening?

here method:

public static void save(news news, file img) {         if (img != null) {             try {                 fileutils.deletedirectory(new file(news.imagepath));                 string projectroot = play.configuration.getproperty("my.file.path");                 string filename = string.format("%s.%s",randomstringutils.randomalphanumeric(8), "jpg");                 fileutils.movefile(img, new file(projectroot, filename));                 news.imagepath = projectroot + filename;             } catch (ioexception e) {             e.printstacktrace();         }     }     news.createdate = new date();     system.out.println("save" + news.id + " " + news.title);     news.save();      news(); }

and in html file call method parameters mews , img:

#{extends 'main.html' /} <meta charset="utf-8" />  <h1 class="page-header">Редактировать новость</h1>  <form action="@{newscontroller.save(news, img)}" method="post" enctype="multipart/form-data">     <input type="hidden" value="${news.id}" name="news.id">      <input type="hidden" value="${news.imagepath}" name="news.imagepath">     <div class="form-group">         <div class="row">             <div class="col-xs-6">                 <label class="control-label">Заголовок</label> <input type="text"                     class="form-control" value="${news.title}" name="news.title" />             </div>         </div>     </div>      <div class="form-group">         <label class="control-label">Содержимое</label>         <textarea class="form-control" name="news.body" rows="8">${news.body}</textarea>     </div>      <a href="#" id="pop">      <img id="imageresource" src="http://androidnewspad.com/wp-content/themes/motion/images/genericlogo.png"">         click enlarge     </a>      <div class="form-group">         <label class="control-label">Изображение</label>         <div class="row">             <div class="col-xs-6">                 <input id="file-0a" class="file" type="file" value="${img}" name="img"> <br>             </div>         </div>     </div>      <button type="submit" class="btn btn-default">Сохранить</button>  </form>


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