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私のコードは、OutputStream
が呼び出されるまでJSONを送信しますが、実際にデータを送信しようとすると次の例外が発生します。誰かが私がそれを把握するのを助けることができる?ネットワーク上でJSONを送信しようとしたときにFileNotFoundExceptionが発生しました
java.io.FileNotFoundException:http://hmkcode.appspot.com/jsonservlet com.android.okhttp.internal.huc.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:238) で app.test.testapp2.MainActivity $ HttpAsyncTaskで。 doInBackground(MainActivity.java:84)
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
button = (Button) findViewById(R.id.accept);
textView = (TextView) findViewById(R.id.textView);
editName = (EditText) findViewById(R.id.editName);
editCountry = (EditText) findViewById(R.id.editCountry);
editTwitter = (EditText) findViewById(R.id.editTwitter);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
HttpAsyncTask httpAsyncTask = new HttpAsyncTask(MainActivity.this);
httpAsyncTask.execute("http://hmkcode.appspot.com/jsonservlet", editName.getText().toString(), editCountry.getText().toString(), editTwitter.getText().toString());
}
});
}
private class HttpAsyncTask extends AsyncTask<String, Void, String> {
private MainActivity mainActivity;
String result = "";
HttpAsyncTask(MainActivity mainActivity) {
this.mainActivity = mainActivity;
}
@Override
protected String doInBackground(String... strings) {
Person person = new Person();
person.setName(strings[1]);
person.setCountry(strings[2]);
person.setTwitter(strings[3]);
try {
URL url = new URL(strings[0]);
HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
String json = "";
JSONObject jsonObject = new JSONObject();
jsonObject.accumulate("name", "!!!");
jsonObject.accumulate("country", "@@@");
jsonObject.accumulate("twitter", "####");
json = jsonObject.toString();
httpURLConnection.setRequestMethod("POST");
httpURLConnection.setDoOutput(true);
httpURLConnection.setDoInput(true);
httpURLConnection.setRequestProperty("Accept", "application/json");
httpURLConnection.setRequestProperty("content-type", "application/json");
InputStream is = httpURLConnection.getInputStream();
OutputStream os = httpURLConnection.getOutputStream();
os.write(json.getBytes("utf-8"));
os.flush();
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(is));
String line = "";
while ((line = bufferedReader.readLine()) != null) {
result += line;
}
is.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
return result;
}
@Override
protected void onPostExecute(String result) {
str = result;
mainActivity.runOnUiThread(new Runnable() {
@Override
public void run() {
try {
JSONArray jsonArray = new JSONArray(str);
mainActivity.textView.setText(jsonArray.toString());
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
}
}
W/System.err: java.io.FileNotFoundException: http://hmkcode.appspot.com/jsonservlet
W/System.err: at com.android.okhttp.internal.huc.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:238)
W/System.err: at app.test.testapp2.MainActivity$HttpAsyncTask.doInBackground(MainActivity.java:84)
.....