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Asked: 2026-05-26T20:48:23+00:00

I am trying to get a response from my server using restful services, I

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I am trying to get a response from my server using restful services, I get it back in json format, change to a string variable then am trying to change from a string variable to json object, but I am getting an error here is my class and after my class is my stacktrace and then my string variable, the error occurs when i try to convert from string to json object, thanks for your help: 

private class DownloadWebPageTask extends AsyncTask<String, Void, String> {
        @Override
        protected String doInBackground(String... urls) {
            String response = "";
            for (String url : urls) {
                DefaultHttpClient client = new DefaultHttpClient();
                HttpGet httpGet = new HttpGet(url);
                try {
                    HttpResponse execute = client.execute(httpGet);
                    InputStream content = execute.getEntity().getContent();

                    BufferedReader buffer = new BufferedReader(
                            new InputStreamReader(content));
                    String s = "";
                    while ((s = buffer.readLine()) != null) {
                        response += s;
                    }

                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
            try {
                //JSONObject json = new JSONObject(response);
                JSONObject data = new JSONObject(response).getJSONObject("type");

            } catch (JSONException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

            return response;
        }

11-14 09:53:26.192: W/System.err(560): org.json.JSONException: Value
[{“type”:”HumVideoMovingImage”,”location”:”http://hummedia.byu.edu/watch/humvideo:0373889/&#8221;,”label”:”Harry
Potter und der Orden des
Phonix”,”videoinfo”:{“id”:”humvideo:0373889″,”title”:”Harry Potter und
der Orden des
Phonix”,”height”:480,”coverage”:”BYU”,”status”:”allowed”,”subject”:”Harry
Potter,magic”,”description”:”Lord Voldemort ist zuruckgekehrt, doch
das Zaubereiministerium tut alles, um diese Tatsache der Geme
…”,”width”:716,”rights”:”shared”,”language”:[“de”],”runningtime”:7200,”date”:”2007-04-11″}},{“type”:”HumVideoMovingImage”,”location”:”http://hummedia.byu.edu/watch/humvideo:0330373/&#8221;,”label”:”Harry
Potter und der
Feuerkelch”,”videoinfo”:{“id”:”humvideo:0330373″,”title”:”Harry Potter
und der
Feuerkelch”,”height”:480,”coverage”:”BYU”,”status”:”allowed”,”subject”:”Harry
Potter,magic”,”description”:”Das grosse Abenteuer beginnt, als der
Feuerkelch Harry Potters Namen freigibt und Harry damit Teilne
…”,”width”:716,”rights”:”shared”,”language”:[“de”],”runningtime”:7200,”date”:”2005-11-18″}},{“type”:”HumVideoMovingImage”,”location”:”http://hummedia.byu.edu/watch/humvideo:0304141/&#8221;,”label”:”Harry
Potter und der Gefangene von
Askaban”,”videoinfo”:{“id”:”humvideo:0304141″,”title”:”Harry Potter
und der Gefangene von
Askaban”,”height”:480,”coverage”:”BYU”,”status”:”allowed”,”subject”:”Harry
Potter,magic”,”description”:”Wahrend die abscheuliche Tante Magda uber
den Nachthimmel schwebt, kehrt Harry nach Hogwarts zuruck,
…”,”width”:716,”rights”:”shared”,”language”:[“de”],”runningtime”:7200,”date”:”2003-06-04″}},{“type”:”HumVideoMovingImage”,”location”:”http://hummedia.byu.edu/watch/humvideo:0295297/&#8221;,”label”:”Harry
Potter und die Kammer
Desschreckens”,”videoinfo”:{“id”:”humvideo:0295297″,”title”:”Harry
Potter und die Kammer
Desschreckens”,”height”:480,”coverage”:”BYU”,”status”:”allowed”,”subject”:”Harry
Potter,magic”,”description”:”Fliegende Autos, gemeingefahrliche Baume
und die Warnung eines mysteriosen Hauselfen – so beginnt fu
…”,”width”:716,”rights”:”shared”,”language”:[“de”],”runningtime”:7200,”date”:”2002-11-15″}},{“type”:”HumVideoMovingImage”,”location”:”http://hummedia.byu.edu/watch/humvideo:0241527/&#8221;,”label”:”Harry
Potter und der Stein der
Weisen”,”videoinfo”:{“id”:”humvideo:0241527″,”title”:”Harry Potter und
der Stein der
Weisen”,”height”:480,”coverage”:”BYU”,”status”:”allowed”,”subject”:”Harry
Potter,magic”,”description”:”In der zauberhaften Verfilmung J.K.
Rowlings Weltbestseller erfahrt Harry Potter an seinem 11. Gebur
…”,”width”:716,”rights”:”shared”,”language”:[“de”],”runningtime”:7200,”date”:”2001-11-16″}}]
of type org.json.JSONArray cannot be converted to JSONObject 11-14
09:53:26.232: W/System.err(560): at
org.json.JSON.typeMismatch(JSON.java:111) 11-14 09:53:26.242:
W/System.err(560): at org.json.JSONObject.(JSONObject.java:158)
11-14 09:53:26.252: W/System.err(560): at
org.json.JSONObject.(JSONObject.java:171) 11-14 09:53:26.262:
W/System.err(560): at
de.vogella.android.asynctask.ReadWebpageAsyncTask$DownloadWebPageTask.doInBackground(ReadWebpageAsyncTask.java:56)
11-14 09:53:26.332: W/System.err(560): at
de.vogella.android.asynctask.ReadWebpageAsyncTask$DownloadWebPageTask.doInBackground(ReadWebpageAsyncTask.java:1)
11-14 09:53:26.352: W/System.err(560): at
android.os.AsyncTask$2.call(AsyncTask.java:264) 11-14 09:53:26.372:
W/System.err(560): at
java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)
11-14 09:53:26.382: W/System.err(560): at
java.util.concurrent.FutureTask.run(FutureTask.java:137) 11-14
09:53:26.392: W/System.err(560): at
android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:208) 11-14
09:53:26.402: W/System.err(560): at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076)
11-14 09:53:26.412: W/System.err(560): at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569)
11-14 09:53:26.422: W/System.err(560): at
java.lang.Thread.run(Thread.java:856) 11-14 09:53:34.635:
D/dalvikvm(169): GC_CONCURRENT freed 396K, 7% free 7350K/7879K, paused
21ms+9ms

string variable:

[ { “type”: “HumVideoMovingImage”,
“videoinfo”: { “status”: “allowed”,
“description”: “Lord Voldemort ist zuruckgekehrt, doch das
Zaubereiministerium tut alles, um diese Tatsache der Geme …”,
“height”: 480, “coverage”: “BYU”, “date”:
“2007-04-11”, “id”: “humvideo:0373889”,
“subject”: “Harry Potter,magic”, “language”: [“de”],
“rights”: “shared”, “title”: “Harry Potter und der Orden
des Phonix”, “runningtime”: 7200, “width”: 716
}, “location”:
“http://hummedia.byu.edu/watch/humvideo:0373889/&#8221;, “label”:
“Harry Potter und der Orden des Phonix” }, {
“type”: “HumVideoMovingImage”, “videoinfo”: {
“status”: “allowed”, “description”: “Das grosse Abenteuer
beginnt, als der Feuerkelch Harry Potters Namen freigibt und Harry
damit Teilne …”, “height”: 480, “coverage”:
“BYU”, “date”: “2005-11-18”, “id”:
“humvideo:0330373”, “subject”: “Harry Potter,magic”,
“language”: [“de”], “rights”: “shared”,
“title”: “Harry Potter und der Feuerkelch”,
“runningtime”: 7200, “width”: 716 },
“location”: “http://hummedia.byu.edu/watch/humvideo:0330373/&#8221;,
“label”: “Harry Potter und der Feuerkelch” }, {
“type”: “HumVideoMovingImage”, “videoinfo”: {
“status”: “allowed”, “description”: “Wahrend die
abscheuliche Tante Magda uber den Nachthimmel schwebt, kehrt Harry
nach Hogwarts zuruck, …”, “height”: 480,
“coverage”: “BYU”, “date”: “2003-06-04”,
“id”: “humvideo:0304141”, “subject”: “Harry
Potter,magic”, “language”: [“de”], “rights”:
“shared”, “title”: “Harry Potter und der Gefangene von
Askaban”, “runningtime”: 7200, “width”: 716
}, “location”:
“http://hummedia.byu.edu/watch/humvideo:0304141/&#8221;, “label”:
“Harry Potter und der Gefangene von Askaban” },
{ “type”: “HumVideoMovingImage”, “videoinfo”: {
“status”: “allowed”, “description”: “Fliegende Autos,
gemeingefahrliche Baume und die Warnung eines mysteriosen Hauselfen –
so beginnt fu …”, “height”: 480, “coverage”:
“BYU”, “date”: “2002-11-15”, “id”:
“humvideo:0295297”, “subject”: “Harry Potter,magic”,
“language”: [“de”], “rights”: “shared”,
“title”: “Harry Potter und die Kammer Desschreckens”,
“runningtime”: 7200, “width”: 716 },
“location”: “http://hummedia.byu.edu/watch/humvideo:0295297/&#8221;,
“label”: “Harry Potter und die Kammer Desschreckens” },
{ “type”: “HumVideoMovingImage”, “videoinfo”: {
“status”: “allowed”, “description”: “In der zauberhaften
Verfilmung J.K. Rowlings Weltbestseller erfahrt Harry Potter an seinem
11. Gebur …”, “height”: 480, “coverage”: “BYU”, “date”: “2001-11-16”, “id”:
“humvideo:0241527”, “subject”: “Harry Potter,magic”,
“language”: [“de”], “rights”: “shared”,
“title”: “Harry Potter und der Stein der Weisen”,
“runningtime”: 7200, “width”: 716 },
“location”: “http://hummedia.byu.edu/watch/humvideo:0241527/&#8221;,
“label”: “Harry Potter und der Stein der Weisen” }

    ]

by trying to use the following code:
JSONObject jObject = new JSONObject(response);

I still get an error, here is the stack trace:

11-14 10:03:02.713: W/System.err(622): org.json.JSONException: Value [{“type”:”HumVideoMovingImage”,”location”:”http://hummedia.byu.edu/watch/humvideo:0373889/&#8221;,”label”:”Harry Potter und der Orden des Phonix”,”videoinfo”:{“id”:”humvideo:0373889″,”title”:”Harry Potter und der Orden des Phonix”,”height”:480,”coverage”:”BYU”,”status”:”allowed”,”subject”:”Harry Potter,magic”,”description”:”Lord Voldemort ist zuruckgekehrt, doch das Zaubereiministerium tut alles, um diese Tatsache der Geme …”,”width”:716,”rights”:”shared”,”language”:[“de”],”runningtime”:7200,”date”:”2007-04-11″}},{“type”:”HumVideoMovingImage”,”location”:”http://hummedia.byu.edu/watch/humvideo:0330373/&#8221;,”label”:”Harry Potter und der Feuerkelch”,”videoinfo”:{“id”:”humvideo:0330373″,”title”:”Harry Potter und der Feuerkelch”,”height”:480,”coverage”:”BYU”,”status”:”allowed”,”subject”:”Harry Potter,magic”,”description”:”Das grosse Abenteuer beginnt, als der Feuerkelch Harry Potters Namen freigibt und Harry damit Teilne …”,”width”:716,”rights”:”shared”,”language”:[“de”],”runningtime”:7200,”date”:”2005-11-18″}},{“type”:”HumVideoMovingImage”,”location”:”http://hummedia.byu.edu/watch/humvideo:0304141/&#8221;,”label”:”Harry Potter und der Gefangene von Askaban”,”videoinfo”:{“id”:”humvideo:0304141″,”title”:”Harry Potter und der Gefangene von Askaban”,”height”:480,”coverage”:”BYU”,”status”:”allowed”,”subject”:”Harry Potter,magic”,”description”:”Wahrend die abscheuliche Tante Magda uber den Nachthimmel schwebt, kehrt Harry nach Hogwarts zuruck, …”,”width”:716,”rights”:”shared”,”language”:[“de”],”runningtime”:7200,”date”:”2003-06-04″}},{“type”:”HumVideoMovingImage”,”location”:”http://hummedia.byu.edu/watch/humvideo:0295297/&#8221;,”label”:”Harry Potter und die Kammer Desschreckens”,”videoinfo”:{“id”:”humvideo:0295297″,”title”:”Harry Potter und die Kammer Desschreckens”,”height”:480,”coverage”:”BYU”,”status”:”allowed”,”subject”:”Harry Potter,magic”,”description”:”Fliegende Autos, gemeingefahrliche Baume und die Warnung eines mysteriosen Hauselfen – so beginnt fu …”,”width”:716,”rights”:”shared”,”language”:[“de”],”runningtime”:7200,”date”:”2002-11-15″}},{“type”:”HumVideoMovingImage”,”location”:”http://hummedia.byu.edu/watch/humvideo:0241527/&#8221;,”label”:”Harry Potter und der Stein der Weisen”,”videoinfo”:{“id”:”humvideo:0241527″,”title”:”Harry Potter und der Stein der Weisen”,”height”:480,”coverage”:”BYU”,”status”:”allowed”,”subject”:”Harry Potter,magic”,”description”:”In der zauberhaften Verfilmung J.K. Rowlings Weltbestseller erfahrt Harry Potter an seinem 11. Gebur …”,”width”:716,”rights”:”shared”,”language”:[“de”],”runningtime”:7200,”date”:”2001-11-16″}}] of type org.json.JSONArray cannot be converted to JSONObject
11-14 10:03:02.732: W/System.err(622): at org.json.JSON.typeMismatch(JSON.java:111)
11-14 10:03:02.752: W/System.err(622): at org.json.JSONObject.(JSONObject.java:158)
11-14 10:03:02.762: W/System.err(622): at org.json.JSONObject.(JSONObject.java:171)
11-14 10:03:02.822: W/System.err(622): at de.vogella.android.asynctask.ReadWebpageAsyncTask$DownloadWebPageTask.doInBackground(ReadWebpageAsyncTask.java:56)
11-14 10:03:02.842: W/System.err(622): at de.vogella.android.asynctask.ReadWebpageAsyncTask$DownloadWebPageTask.doInBackground(ReadWebpageAsyncTask.java:1)
11-14 10:03:02.852: W/System.err(622): at android.os.AsyncTask$2.call(AsyncTask.java:264)
11-14 10:03:02.872: W/System.err(622): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)
11-14 10:03:02.892: W/System.err(622): at java.util.concurrent.FutureTask.run(FutureTask.java:137)
11-14 10:03:02.902: W/System.err(622): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:208)
11-14 10:03:02.912: W/System.err(622): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076)
11-14 10:03:02.922: W/System.err(622): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569)
11-14 10:03:02.942: W/System.err(622): at java.lang.Thread.run(Thread.java:856)

thank you.

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1 Answer

  1. Editorial Team

    You simple have to use below code 

    import org.json.JSONObject;

JSONObject jObject = new JSONObject(response);

    For rest you can process in the same way

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