Use JsonReader setLenient true to accept malformed JSON at line 1 column 1 path

Question

What is this error   How can I fix this  My app is running but can t load data  And this is my Error  Use JsonReader setLenient true  to accept malformed JSON at line 1 column 1 path   This is my fragment   public class news extends Fragment     private RecyclerView recyclerView  private ArrayList lt Deatails gt  data  private DataAdapter adapter  private View myFragmentView      Override public View onCreateView LayoutInflater inflater  ViewGroup container  Bundle savedInstanceState         myFragmentView   inflater inflate R layout news  container  false       initViews        return myFragmentView       private void initViews         recyclerView    RecyclerView  myFragmentView findViewById R id card recycler view       RecyclerView LayoutManager layoutManager   new LinearLayoutManager getActivity   getApplicationContext         recyclerView setHasFixedSize true       recyclerView setLayoutManager layoutManager       data   new ArrayList lt Deatails gt         adapter   new DataAdapter getActivity    data       recyclerView setAdapter adapter        new Thread                 public void run                         getActivity   runOnUiThread new Runnable                      Override                 public void run                         loadJSON                                                            start       private void loadJSON         if  isNetworkConnected              HttpLoggingInterceptor interceptor   new HttpLoggingInterceptor            interceptor setLevel HttpLoggingInterceptor Level BODY           OkHttpClient client   new OkHttpClient Builder                    addInterceptor interceptor                   retryOnConnectionFailure true                   connectTimeout 15  TimeUnit SECONDS                   build             Gson gson   new GsonBuilder                    setLenient                    create                     Retrofit retrofit   new Retrofit Builder                    baseUrl  quot http   www memaraneha ir  quot                    client client                   addConverterFactory GsonConverterFactory create gson                    build                     RequestInterface request   retrofit create RequestInterface class           Call lt JSONResponse gt  call   request getJSON            final ProgressDialog progressDialog   new ProgressDialog getActivity             progressDialog show            call enqueue new Callback lt JSONResponse gt                   Override             public void onResponse Call lt JSONResponse gt  call  Response lt JSONResponse gt  response                    progressDialog dismiss                    JSONResponse jsonResponse   response body                    data addAll Arrays asList jsonResponse getAndroid                      adapter notifyDataSetChanged                               Override             public void onFailure Call lt JSONResponse gt  call  Throwable t                    progressDialog dismiss                    Log d  quot Error quot   t getMessage                                         else           Toast makeText getActivity   getApplicationContext     quot Internet is disconnected quot   Toast LENGTH LONG  show       private boolean isNetworkConnected         ConnectivityManager cm    ConnectivityManager  getActivity   getSystemService Context CONNECTIVITY SERVICE       NetworkInfo ni   cm getActiveNetworkInfo        if  ni    null               There are no active networks          return false        else         return true       RequestInterface   public interface RequestInterface     GET  quot Erfan news php quot   Call lt JSONResponse gt  getJSON        UPDATE   read below text and find your problem   always this error not about your json   it could become from your wrong request   for better handle first check your request in postman if you got response then compare your json response with your model if nothing is wrong then this error come from your wrong request   also it could happened when your response not josn  in some cases response could be html

User · Answer

In my case   what solved my issue was       You may had json like this  the keys without   double quotations           name   test   phone   2324234      So try any online Json Validator to make sure you have right syntax     Json Validator Online

User · Answer

This issue started occurring for me all of a sudden  so I was sure  there could be some other reason  On digging deep  it was a simple issue where I used http in the BaseUrl of Retrofit instead of https  So changing it to https solved the issue for me

User · Answer

Using Moshi   When building your Retrofit Service add  asLenient   to your MoshiConverterFactory  You don t need a ScalarsConverter  It should look something like this   return Retrofit Builder                    client okHttpClient                   baseUrl ENDPOINT                   addConverterFactory MoshiConverterFactory create   asLenient                     build                    create UserService  class java

User · Answer

Also worth checking is if there are any errors in the return type of your interface methods  I could reproduce this issue by having an unintended return type like Call lt Call lt ResponseBody gt  gt

User · Answer

There was an error in understanding of return Type Just add Header and it will solve your problem   Headers  Content-Type  application json

User · Answer

This is a well-known issue and based on this answer you could add setLenient   Gson gson   new GsonBuilder            setLenient            create     Retrofit retrofit   new Retrofit Builder            baseUrl BASE URL           client client           addConverterFactory GsonConverterFactory create gson            build      Now  if you add this to your retrofit  it gives you another error   com google gson JsonSyntaxException  java lang IllegalStateException  Expected BEGIN OBJECT but was STRING at line 1 column 1 path     This is another well-known error you can find answer here  this error means that your server response is not well-formatted   So change server response to return something         android             ver  1 5   name  Cupcace   api  Api Level 3                          For better comprehension  compare your response with Github api   Suggestion  to find out what s going on to your request response add HttpLoggingInterceptor in your retrofit   Based on this answer your ServiceHelper would be   private ServiceHelper             httpClient   new OkHttpClient Builder            HttpLoggingInterceptor interceptor   new HttpLoggingInterceptor            interceptor setLevel HttpLoggingInterceptor Level BODY           httpClient interceptors   add interceptor           Retrofit retrofit   createAdapter   build            service   retrofit create IService class           Also don t forget to add   compile  com squareup okhttp3 logging-interceptor 3 3 1

User · Answer

I have faced this problem and I made research and didn t get anything  so I was trying and finally  I knew the cause of this problem  the problem on the API  make sure you have a good variable name I used  start date and it caused the problem  so I try  startdate and it works   as well make sure you send all parameter that declare on API  for example   startdate     POST  startdate     enddate     POST  enddate     you have to pass this two variable from the retrofit   as well if you use date on SQL statement  try to put it inside    like  2017-07-24   I hope it helps you

User · Answer

I had same issue along with https   stackoverflow com a 57245058 8968137 and both solved after fixing the google-services json

User · Answer

I solved this problem very easily after finding out this happens when you aren t outputting a proper JSON object  I simply used the echo json encode  arrayName   instead of print r  arrayName   With my php api   Every programming language or at least most programming languages should have their own version of the json encode   and json decode   functions

User · Answer

Also this issue occurres when the response contenttype is not application json  In my case response contenttype was text html and i faced this problem  I changed it to application json then it worked

[android] Use JsonReader.setLenient(true) to accept malformed JSON at line 1 column 1 path $

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