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Cannot call this method in this context

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2
02-21-2019 05:52 AM
AgencyDeveloper
by
New Contributor II
‎02-21-2019 05:52 AM

I keep getting  java.util.concurrent.ExecutionException: com.esri.arcgisruntime.ArcGISRuntimeException: Cannot call this method in this context for the tableQueryResult.get(); Any clue why?

Thanks in Advance.

    private void queryFeaturesFromTable() {

        
        ServiceFeatureTable table = new ServiceFeatureTable(
                "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Trails/FeatureServer/0");
        table.loadAsync();
        
        table.addDoneLoadingListener(() -> {
            QueryParameters query = new QueryParameters();
            query.setWhereClause("1=1");
            query.setReturnGeometry(true);
            ListenableFuture<FeatureQueryResult> tableQueryResult = table.queryFeaturesAsync(query);
            tableQueryResult.addDoneListener(() -> {
                try {
                    List<Graphic> graphics = new ArrayList<>();                    
                    FeatureQueryResult result = tableQueryResult.get();                    
                    result.forEach(feature -> {
                        graphics.add(new Graphic(feature.getGeometry()));
                    });
                } catch (ExecutionException | InterruptedException e) {
                    System.out.println("Error querying Service Table:  " + e);
                }
            });
        });
    }

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2 Replies
by Anonymous User
Not applicable
‎02-21-2019 08:17 AM

Can you share more of your code? It works fine for me as follows:

import com.esri.arcgisruntime.concurrent.ListenableFuture;
import com.esri.arcgisruntime.data.FeatureQueryResult;
import com.esri.arcgisruntime.data.QueryParameters;
import com.esri.arcgisruntime.data.ServiceFeatureTable;
import com.esri.arcgisruntime.mapping.ArcGISMap;
import com.esri.arcgisruntime.mapping.Basemap;
import com.esri.arcgisruntime.mapping.view.Graphic;
import com.esri.arcgisruntime.mapping.view.MapView;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ExecutionException;
import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;

public class GetQueryResultsRuntime extends Application {

  private MapView mapView;

  @Override
  public void start(Stage stage) throws Exception {

    StackPane stackPane = new StackPane();
    Scene scene = new Scene(stackPane);
    stage.setTitle("Display Map Sample");
    stage.setWidth(800);
    stage.setHeight(700);
    stage.setScene(scene);
    stage.show();

    ArcGISMap map = new ArcGISMap(Basemap.createImagery());
    mapView = new MapView();
    mapView.setMap(map);
    stackPane.getChildren().addAll(mapView);
    
    Button button = new Button("Query");
    button.setOnAction(event -> {
      queryFeaturesFromTable();
    });
    StackPane.setAlignment(button, Pos.BOTTOM_RIGHT);
    StackPane.setMargin(button, new Insets(15));
    stackPane.getChildren().add(button);
  }

  @Override
  public void stop() {
    if (mapView != null) {
      mapView.dispose();
    }
  }

  private void queryFeaturesFromTable() {

    ServiceFeatureTable table = new ServiceFeatureTable(
        "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Trails/FeatureServer/0");
    table.loadAsync();

    table.addDoneLoadingListener(() -> {
      QueryParameters query = new QueryParameters();
      query.setWhereClause("1=1");
      query.setReturnGeometry(true);
      ListenableFuture<FeatureQueryResult> tableQueryResult = table.queryFeaturesAsync(query);
      tableQueryResult.addDoneListener(() -> {
        try {
          List<Graphic> graphics = new ArrayList<>();
          FeatureQueryResult result = tableQueryResult.get();
          result.forEach(feature -> {
            graphics.add(new Graphic(feature.getGeometry()));
          });
          System.out.printf("%d graphics\n", graphics.size());
        } catch (ExecutionException | InterruptedException e) {
          System.out.println("Error querying Service Table:  " + e);
        }
      });
    });
  }

  public static void main(String[] args) {
    Application.launch(args);
  }

}
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AgencyDeveloper
by
New Contributor II
‎02-22-2019 01:05 AM

Thank you Gary for your response. I copy pasted your code in my IDE and tried running it. I ran the code and the application window showed up. On clicking the query button, I still get the same error

Error querying Service Table:  java.util.concurrent.ExecutionException: com.esri.arcgisruntime.ArcGISRuntimeException: Cannot call this method in this context

My console output is :

Initializing...
Java version : 1.8.0_191 (Oracle Corporation) x86_64
Error querying Service Table:  java.util.concurrent.ExecutionException: com.esri.arcgisruntime.ArcGISRuntimeException: Cannot call this method in this context

I am using Eclipse with Java 8 and downloaded the java sdk and have the following dependencies added

arcgis-runtime-sdk-java-100.4.0/libs/arcgis-java-api-javadoc.jar
arcgis-runtime-sdk-java-100.4.0/libs/arcgis-java-api.jar
arcgis-runtime-sdk-java-100.4.0/libs/commons-codec-1.11.jar
arcgis-runtime-sdk-java-100.4.0/libs/commons-logging-1.2.jar
arcgis-runtime-sdk-java-100.4.0/libs/gson-2.8.5.jar

Is something wrong with my config?

Thanks

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