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  1. JDK
  2. JDK-8152418

Memory Leak in StackedBarChart when series are removed

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: P3
    • Resolution: Fixed
    • Affects Version/s: 8u66
    • Fix Version/s: 9
    • Component/s: javafx
    • Subcomponent:
    • CPU:
      x86
    • OS:
      linux

      Description

      FULL PRODUCT VERSION :
      1.8.0_65

      A DESCRIPTION OF THE PROBLEM :
      When updating a StackedBarChart by removing series and adding new ones, all the memory is not correctly freed. The VisualVM shows a growing number of StackPane instances.



      STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
      launch the given test application


      REPRODUCIBILITY :
      This bug can be reproduced always.

      ---------- BEGIN SOURCE ----------

      import javafx.animation.Animation;
      import javafx.animation.KeyFrame;
      import javafx.animation.Timeline;
      import javafx.application.Application;
      import javafx.collections.FXCollections;
      import javafx.collections.ObservableList;
      import javafx.scene.Scene;
      import javafx.scene.chart.BarChart;
      import javafx.scene.chart.CategoryAxis;
      import javafx.scene.chart.NumberAxis;
      import javafx.scene.chart.StackedBarChart;
      import javafx.scene.chart.XYChart.*;
      import javafx.stage.Stage;
      import javafx.util.Duration;

      public class ChartUpdate extends Application {
          private int clock;
          public static void main(String[] args) {
              launch(args);
          }
          @Override
          public void start(Stage stage) {
              CategoryAxis xAxis = new CategoryAxis();
              NumberAxis yAxis = new NumberAxis(0, 100, 10);
              yAxis.setAutoRanging(false);
              StackedBarChart<String, Number> graph = new StackedBarChart<>(xAxis, yAxis);
              graph.setAnimated(false);
              Series<String, Number> series = new Series<>();
              graph.getData().add(series);
              stage.setScene(new Scene(graph));
              stage.show();

              Timeline timeLine = new Timeline();
              timeLine.getKeyFrames().add(
                      new KeyFrame(Duration.millis(200),
                              (e) -> {
                                  ObservableList<Data<String, Number>> list = FXCollections.observableArrayList();
                                  Series<String, Number> newSeries = new Series<>();
                                  list.add(new Data<>("A", clock % 10));
                                  list.add(new Data<>("B",(10 - clock )% 10));
                                 
                                  newSeries.setData(list);
                                  graph.getData().clear();
                                  graph.getData().add(newSeries);
                                  clock = (clock + 1) % 10;
                              }));
              timeLine.setCycleCount(Animation.INDEFINITE);
              timeLine.play();
          }

      }
      ---------- END SOURCE ----------

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            • Assignee:
              vadim Vadim Pakhnushev
              Reporter:
              webbuggrp Webbug Group
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              Dates

              • Created:
                Updated:
                Resolved: