FULL PRODUCT VERSION :
java version "1.8.0_60"
Java(TM) SE Runtime Environment (build 1.8.0_60-b27)
Java HotSpot(TM) 64-Bit Server VM (build 25.60-b23, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows [Version 6.3.9600]

A DESCRIPTION OF THE PROBLEM :
When refreshing webview, memory usage reported by Windows climbs.
The more complex the webpage is, the faster is grows
Possibly related to https://bugs.openjdk.java.net/browse/JDK-8087417

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Run the program and watch the memory usage in task manager

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
No extra memory use after a few minues
ACTUAL -
Memory grows.
If you use a complex webpage (like oracle.com) it grows to 1gb after 3 hours even if -Xmx512M is used

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
public class OpenTest extends Application{
public static void main(String[] args) {
launch(args);
}

@Override public void start(Stage primaryStage) {
primaryStage.setTitle("Webview refresh");
final WebView webView = new WebView();
primaryStage.setScene(new Scene(webView, 800, 500));
primaryStage.show();
new Timer().scheduleAtFixedRate(new TimerTask() {
@Override public void run() {
Platform.runLater(()->webView.getEngine().load("http://oracle.com"));
}
}, 1000, 1000);
}
}
---------- END SOURCE ----------