how can i solve this error " java.net.MalformedURLException: Protocol not found: " in android

Question

i m getting error for java.net.MalformedURLException: Protocol not found: in android. How can i solve this i am trying from long time but not getting solution. plz help me

05-24 12:22:48.885: WARN/System.err(1358): java.net.MalformedURLException: Protocol not found: 
05-24 12:22:48.905: WARN/System.err(1358):     at java.net.URL.<init>(URL.java:273)
05-24 12:22:48.935: WARN/System.err(1358):     at java.net.URL.<init>(URL.java:157)
05-24 12:22:48.935: WARN/System.err(1358):     at com.bestdambikers.Updates$EfficientAdapter$4.onClick(Updates.java:354)
05-24 12:22:48.935: WARN/System.err(1358):     at android.view.View.performClick(View.java:2485)
05-24 12:22:48.935: WARN/System.err(1358):     at android.view.View$PerformClick.run(View.java:9080)
05-24 12:22:48.965: WARN/System.err(1358):     at android.os.Handler.handleCallback(Handler.java:587)
05-24 12:22:48.965: WARN/System.err(1358):     at android.os.Handler.dispatchMessage(Handler.java:92)
05-24 12:22:48.965: WARN/System.err(1358):     at android.os.Looper.loop(Looper.java:123)
05-24 12:22:48.975: WARN/System.err(1358):     at android.app.ActivityThread.main(ActivityThread.java:3647)
05-24 12:22:48.985: WARN/System.err(1358):     at java.lang.reflect.Method.invokeNative(Native Method)
05-24 12:22:48.985: WARN/System.err(1358):     at java.lang.reflect.Method.invoke(Method.java:507)
05-24 12:22:48.985: WARN/System.err(1358):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
05-24 12:22:48.995: WARN/System.err(1358):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
05-24 12:22:49.025: WARN/System.err(1358):     at dalvik.system.NativeStart.main(Native Method)

this is the code where i m getting error...

strUrl = "http://192.168.5.156/html/maykal/maykalvirtue/index.php?option=com_ijoomer&plg_name=jomsocial&pview=user&ptask=activities&sessionid="+ ConstantData.session_id + "";
parser = new XmlParser(strUrl, new UpdatesBean());
result = parser.ParseUrl("data", "update");
UpdatesBean updatesBean = (UpdatesBean) result.get(position);

ConstantData.pos = position;
Log.e("POSITION OF CLICKED ROW",""+ConstantData.pos);
URL newurl = new URL(updatesBean.thumb);  //getting error at this line

bi = BitmapFactory.decodeStream(newurl.openConnection().getInputStream());
ConstantData.updateImage = bi;
ConstantData.titleTag = updatesBean.titletag;
ConstantData.updateDate = updatesBean.date;

Please add code from com.bestdambikers.Updates$EfficientAdapter$4.onClick method (thats the method that located in URL.java file and contains line 157). — inazaruk
– inazaruk, Commented May 24, 2011 at 7:10
Your error comes from the value of updatesBean.thumb. You should check that value and see what's wrong with it — DallaRosa
– DallaRosa, Commented May 24, 2011 at 7:31

Sven Schoenung · Accepted Answer · 2016-10-05 09:23:37Z

1

It is not raising the exception, it's complaining that you haven't handled the possibility that it might, even though it won't, because the URL in this case is not malformed. (Java's designers thought this concept, "checked exceptions", was a good idea, although in practice it hasn't worked well.)

To shut it up, add throws MalformedURLException, or its superclass throws IOException, to the method declaration. For example:

public void myMethod() throws IOException {
    URL url = new URL("https://wikipedia.org/");
}

Alternatively, catch and rethrow the annoying exception as an unchecked exception

public void myMethod() {
    try {
        URL url = new URL("https://wikipedia.org/");
        ...
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

edited Oct 5, 2016 at 9:23

Sven Schoenung

30.6k8 gold badges67 silver badges70 bronze badges

answered Oct 4, 2016 at 11:55

dhaval joshi

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Comments

Alex · Accepted Answer · 2012-04-09 15:30:07Z

updatesBean.thumb is not valid URL. In particular - it doesn't have valid protocol. That's what message is about. It's not in your code where this updatesBean.thumb come from. But, based on name, it's possible that it rather URI and not URL. Print and see what it is. And, since it's thumb it is, probably, a file. May I suggest you use something like this to determine real file name?

    public String getRealPathFromURI(Uri contentUri) {
    if (contentUri.toString().startsWith("file://")) {
        return contentUri.toString();
    }
    String[] proj = { MediaStore.Images.Media.DATA };
    Cursor cursor = managedQuery(contentUri, proj, // Which columns to
            // return
            null, // WHERE clause; which rows to return (all rows)
            null, // WHERE clause selection arguments (none)
            null); // Order-by clause (ascending by name)
    int column_index = cursor
            .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
    cursor.moveToFirst();

    return "file://" + cursor.getString(column_index);
}

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