title: neo4j "ServiceUnavailableException:Unable to process request: Permission denied " when initialising the driver in android application
body: <p>Both the Android emulator and smartphone can not run the application because of this exception, although I tested the connection which is well and Android can reach the neo4j database using neo4j browser on Chrome.
  And this is my maven verision, test code and error message.</p>
  
  <pre><code>implementation 'org.neo4j.driver:neo4j-java-driver:1.4.4'; 
  Android SDK is 9.0(Pie) , 
  gradel version is 3.4.2, 
  and maven-gradle-plugin version is 1.5
  </code></pre>
  
  <pre><code>    import android.support.v7.app.AppCompatActivity;
      import android.os.Bundle;
      import android.widget.TextView;
  
      import org.neo4j.driver.v1.*;
  
      public class MainActivity extends AppCompatActivity {
  
          @Override
          protected void onCreate(Bundle savedInstanceState) {
              super.onCreate(savedInstanceState);
              setContentView(R.layout.activity_main);
              Data test = new Data("bolt://holer.cc:50113", "neo4j", "12345");
          }
      }
      class Data implements AutoCloseable{
          private  Driver driver;
          private Session session;
          public Data(String uri,String user,String password){
              try {
                  driver = GraphDatabase.driver(uri, AuthTokens.basic(user, password));
                  session = driver.session();
              } catch (Exception e) {
                  System.err.println(e);
              }
          }
          public void close() throws Exception {
              driver.close();
          }
      }
  </code></pre>
  
  <blockquote>
    <p>org.neo4j.driver.v1.exceptions.ServiceUnavailableException: Unable to process request: Permission denied</p>
  </blockquote>