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POAndroid HTTP Client "Cannot add or update a child row: a foreign key constraint fails"
 

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  1. POAndroid HTTP Client "Cannot add or update a child row: a foreign key constraint fails"
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    <p>I am creating an android application that will upload some data to a database using the following code found below. I have been able to add other pieces of information to the database (when the api calls for different things), however here I get the following error (code follows). Thank you in advance!</p> <pre><code>05-27 20:35:51.144: E/content(8749): array(1) { [0]=&gt; array(2) { ["value"]=&gt; string(5) "18-24" ["question_id"]=&gt; string(2) "14" }}{"success":0,"error":"Query: INSERT INTO client_question_answers (client_form_id, question_id, value) VALUES ('4', '14', '18-24')\nDatabase error message: Cannot add or update a child row: a foreign key constraint fails (`mypsych`.`client_question_answers`, CONSTRAINT `client_question_answers_ibfk_2` FOREIGN KEY (`client_form_id`) REFERENCES `client_forms` (`id`) ON DELETE CASCADE ON UPDATE CASCADE)\nDatabase error number: 1452"} </code></pre> <p>Make the call here:</p> <pre><code>NetworkUtility.sendForm("4", "14","18-24", key); </code></pre> <p>Here is the sendForm method:</p> <pre><code>public static void sendForm(String client_form_id, String question_id, String value, String key) throws ClientProtocolException, JSONException, IOException { List&lt;BasicNameValuePair&gt; parameters=new ArrayList&lt;BasicNameValuePair&gt;(); JSONObject answers = new JSONObject(); answers.put("question_id", question_id); answers.put("value", value); JSONArray answers1 = new JSONArray(); answers1.put(answers); String answers2 = answers1.toString(); parameters.add(new BasicNameValuePair("answers", answers2)); parameters.add(new BasicNameValuePair("key", key)); StringBuilder url=new StringBuilder(); url.append("https://myurl.com/api/forms/answers/create/"); url.append(client_form_id); JSONObject root = new JSONObject(getJSONContent(parameters, url.toString())); Log.e("goal", root.toString()); } </code></pre> <p>Finally the method that handles the actual HTTP commands</p> <pre><code>private static String getJSONContent(List&lt;BasicNameValuePair&gt; parameters, String url) throws ClientProtocolException, IOException, JSONException { HttpClient client=new DefaultHttpClient(); HttpPost request=new HttpPost(url); if (cookieStore == null) { cookieStore = new BasicCookieStore(); httpContext = new BasicHttpContext(); httpContext.setAttribute(ClientContext.COOKIE_STORE, cookieStore); } UrlEncodedFormEntity formEntity=new UrlEncodedFormEntity(parameters); request.setEntity(formEntity); HttpResponse response=client.execute(request, httpContext); InputStream is=response.getEntity().getContent(); BufferedReader br=new BufferedReader(new InputStreamReader(is)); String line=null; StringBuilder content=new StringBuilder(); while ((line=br.readLine())!=null) { content.append(line); } Log.e("content", content.toString()); return content.toString(); } </code></pre> <p>}</p>
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    1. USMichael Rickert
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