title: Do you know anything about this retrofit error?
body: <p>This is the message that show the console. </p>
  
  <pre><code>Process: com.example.claseandroid, PID: 8609
  java.lang.NoSuchMethodError: No static method metafactory(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite; in class Ljava/lang/invoke/LambdaMetafactory; or its super classes (declaration of 'java.lang.invoke.LambdaMetafactory' appears in /apex/com.android.runtime/javalib/core-oj.jar)
      at okhttp3.internal.Util.&lt;clinit&gt;(Util.java:87)
      at okhttp3.internal.Util.skipLeadingAsciiWhitespace(Util.java:321)
      at okhttp3.HttpUrl$Builder.parse(HttpUrl.java:1313)
      at okhttp3.HttpUrl.get(HttpUrl.java:917)
      at retrofit2.Retrofit$Builder.baseUrl(Retrofit.java:492)
      at com.example.claseandroid.ConectHeroku.getRetrofit(ConectHeroku.java:12)
      at com.example.claseandroid.ConectHeroku.getService(ConectHeroku.java:19)
      at com.example.claseandroid.MainActivity.getDataHeroku(MainActivity.java:26)
      at com.example.claseandroid.MainActivity.onCreate(MainActivity.java:21)
      at android.app.Activity.performCreate(Activity.java:7802)
      at android.app.Activity.performCreate(Activity.java:7791)
      at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1299)
      at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3245)
  </code></pre>
  
  <p><strong>This is the Class that have error</strong></p>
  
  <pre><code>public static final String herokuLink = "https://mongodev.herokuapp.com/api/";
  
  private static Retrofit getRetrofit(){
      return new Retrofit.Builder()
              .baseUrl(herokuLink)
              .addConverterFactory(GsonConverterFactory.create())
              .build();
  }
  </code></pre>
  
  <p>This method have interface class.</p>
  
  <pre><code>public static routerHeroku getService(){
      return getRetrofit().create(routerHeroku.class);
  }
  </code></pre>