ADDITIONAL SYSTEM INFORMATION :
- OS : macOS Sierra (version 10.12.6)

- PC : MacBook Pro (13-inch 2016)

- JDK

P43801:logs minsoo.jun$ java -version
java version "1.8.0_171"
Java(TM) SE Runtime Environment (build 1.8.0_171-b11)
Java HotSpot(TM) 64-Bit Server VM (build 25.171-b11, mixed mode)

A DESCRIPTION OF THE PROBLEM :
at com.sun.javafx.sg.prism.NGCanvas$RenderBuf.validate(NGCanvas.java:213)
at com.sun.javafx.sg.prism.NGCanvas.initCanvas(NGCanvas.java:640)
at com.sun.javafx.sg.prism.NGCanvas.renderForcedContent(NGCanvas.java:624)
at com.sun.javafx.sg.prism.NGGroup.renderForcedContent(NGGroup.java:198)
at com.sun.javafx.sg.prism.NGGroup.renderForcedContent(NGGroup.java:198)
at com.sun.javafx.sg.prism.NGGroup.renderForcedContent(NGGroup.java:198)
at com.sun.javafx.sg.prism.NGGroup.renderForcedContent(NGGroup.java:198)
at com.sun.javafx.sg.prism.NGGroup.renderForcedContent(NGGroup.java:198)
at com.sun.javafx.sg.prism.NGGroup.renderForcedContent(NGGroup.java:198)
at com.sun.javafx.sg.prism.NGGroup.renderForcedContent(NGGroup.java:198)
at com.sun.javafx.sg.prism.NGGroup.renderForcedContent(NGGroup.java:198)
at com.sun.javafx.sg.prism.NGGroup.renderForcedContent(NGGroup.java:198)
at com.sun.javafx.sg.prism.NGGroup.renderForcedContent(NGGroup.java:198)
at com.sun.javafx.sg.prism.NGGroup.renderForcedContent(NGGroup.java:198)
at com.sun.javafx.sg.prism.NGGroup.renderForcedContent(NGGroup.java:198)
at com.sun.javafx.sg.prism.NGGroup.renderForcedContent(NGGroup.java:198)
at com.sun.javafx.sg.prism.NGGroup.renderForcedContent(NGGroup.java:198)
at com.sun.javafx.sg.prism.NGGroup.renderForcedContent(NGGroup.java:198)
at com.sun.javafx.sg.prism.NGGroup.renderForcedContent(NGGroup.java:198)
at com.sun.javafx.sg.prism.NGGroup.renderForcedContent(NGGroup.java:198)
at com.sun.javafx.tk.quantum.ViewPainter.paintImpl(ViewPainter.java:332)
at com.sun.javafx.tk.quantum.PresentingPainter.run(PresentingPainter.java:91)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at com.sun.javafx.tk.RenderJob.run(RenderJob.java:58)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at com.sun.javafx.tk.quantum.QuantumRenderer$PipelineRunnable.run(QuantumRenderer.java:125)
at java.lang.Thread.run(Thread.java:748)



REGRESSION : Last worked in version 8u172

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
The exception occurs only on certain systems. We use Canvas to draw diagrams. Could be that this has something to do with the resolution of the monitor ?

One more question: is any way to know if a canvas is not dispayed ( as it is in a tabpane and the tab is not selected ) ? I would need to call a method on canvas, as the hirarchy of nodes can be more complex. I need this as I can have many tabs and many canvases, and I would avoid drawing the canvas if is not directly shown.


FREQUENCY : often