Содержание
Newbie to Json here, I’m gettin a Value Database of type java.lang.String cannot be converted to JSONObject error when I try and run the following code.I cant make any sense of other answers on here.
This is the error
2 Answers 2
The you can parse it like here,
UPDATE :
If your Json is as you commented then you can easily retrieve this like
Your json is invalid. You can check your json on jsonlint.com Correct json should be like this <"server_response":<"code":"reg_true","message":"Sucessful registration.Thank you.Enjoy">> Since you are using only one json object there is no need to create json array.
Remember if it starts with [ and ends with ] its json array; with curly braces <. >its json object.
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I have a JSON file with 2 JSON-Arrays in it: One Array for routes and one Array for sights.
A route should consist of several sights where the user gets navigated to. Unfortunately I am getting the error:
JSONException: Value of type java.lang.String cannot be converted to JSONObject
Here are my variables and the code that parses the JSON-File:
Log.i("JSON Parser", json); shows me that at the beginning of the generated string there is a strange sign: 
but the error happens here:
04-22 14:01:05.043: E/JSON Parser(5868): Error parsing data org.json.JSONException: Value //STRANGE SIGN HERE // of type java.lang.String cannot be converted to JSONObject
anybody has a clue on how to get rid of these signs in order to create the JSONObject?
My server returns a JSON object via the body of an HTTP POST response, but I get the this error when my app tries to convert the string into a JSONObject:
It looks like my server is returning a acceptable JSON encoded string, but it just won’t convert to a JSONObject. I even changed the content-type of the server’s response header to "application/json". Please help me fix this, I’ve been trying all day.
EDIT- I use the following code:
I also tried imran khan’s suggestion:
4 Answers 4
How are you doing it? It should work with:
You can convert string to json as:
I FIXED IT! It was entirely my server’s fault. It turned out that my server was responding incorrectly. What happened was there was a bug within the web framework and after updating to the latest version, the problem solved itself. I’m guessing the old version of the web framework returned the incorrect content-type response header, or used some weird encoding.
So everyone’s Java code here should be 100% correct, because Java was not at fault here. THANKS FOR ALL YOUR EFFORT!
Miguel’s answer was the closest explanation, so I will accept his answer.
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