android - DecodeStream error with Facebook Graph Request -

hi have implemented facebook login app , trying download users profile picture , pass roundedimageview encountering error when test , there no image showing, error is:

skia﹕ --- skimagedecoder::factory returned null 

i getting these 2 errors directly before it

readstreamtobuffer : qmage stream read error!! required length 12 bytes, red 0 bytes isqmage : input skstreamrewindable length less qmage minimum size : 0 

here main asynctask downloading , setting image

private class downloadimagetask extends asynctask<string, void, bitmap> {      private imageview bmimage;      public downloadimagetask(imageview bmimage) {         this.bmimage = bmimage;     }      protected void onpreexecute() {      }      protected bitmap doinbackground(string... urls) {          string userid = urls[0];         bitmap bmp = null;              try {                 url image_value = new url("http://graph.facebook.com/"+ userid + "/picture?type=large");                 bmp = bitmapfactory.decodestream(image_value.openconnection().getinputstream());             } catch (ioexception e) {                 log.e("error", "image download error");                 log.e("error", e.getmessage());                 e.printstacktrace();             }          return bmp;      }      protected void onpostexecute(bitmap result) {          bmimage.setimagebitmap(result);      } } 

and here how call it

final roundedimageview profilepic = (roundedimageview) rootview.findviewbyid(r.id.myprofilepic);     new downloadimagetask(profilepic).execute(userid); 

thanks , help