RFR: 8368629: Texture.update sometimes invoked for a disposed Texture [v5]

Alessadro Parisi duke at openjdk.org
Wed Nov 5 11:28:21 UTC 2025 

On Wed, 5 Nov 2025 11:16:28 GMT, Lukasz Kostyra <lkostyra at openjdk.org> wrote:

> Hard to judge just from those messages, but it is possible the root cause is similar. The check I added is only in one place and it might not cover all cases. Can you provide a full stacktrace for each of those NPEs?

Sure thing, here are the full stack traces:
<details>
<summary><code>createGraphics()</code> exception</summary>
<pre>
java.lang.NullPointerException: Cannot invoke "com.sun.prism.RTTexture.createGraphics()" because "newtex" is null
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGCanvas$RenderBuf.validate(NGCanvas.java:216)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGCanvas.initCanvas(NGCanvas.java:646)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGCanvas.renderContent(NGCanvas.java:609)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2063)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.renderForClip(NGNode.java:2279)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.renderRectClip(NGNode.java:2186)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.renderClip(NGNode.java:2213)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2057)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NodeEffectInput.getImageDataForBoundedNode(NodeEffectInput.java:237)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NodeEffectInput.filter(NodeEffectInput.java:131)
	at javafx.graphics at 26-internal/com.sun.scenario.effect.FilterEffect.filter(FilterEffect.java:185)
	at javafx.graphics at 26-internal/com.sun.scenario.effect.Offset.filter(Offset.java:160)
	at javafx.graphics at 26-internal/com.sun.scenario.effect.Merge.filter(Merge.java:148)
	at javafx.graphics at 26-internal/com.sun.scenario.effect.DelegateEffect.filter(DelegateEffect.java:70)
	at javafx.graphics at 26-internal/com.sun.scenario.effect.impl.prism.PrEffectHelper.render(PrEffectHelper.java:166)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.EffectFilter.render(EffectFilter.java:61)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.renderEffect(NGNode.java:2350)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2060)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2063)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2063)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2063)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.renderForClip(NGNode.java:2279)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.renderRectClip(NGNode.java:2186)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.renderClip(NGNode.java:2213)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2057)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2063)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2063)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2063)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2063)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2063)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.tk.quantum.ViewPainter.doPaint(ViewPainter.java:481)
	at javafx.graphics at 26-internal/com.sun.javafx.tk.quantum.ViewPainter.paintImpl(ViewPainter.java:321)
	at javafx.graphics at 26-internal/com.sun.javafx.tk.quantum.PresentingPainter.run(PresentingPainter.java:92)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:545)
	at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:369)
	at javafx.graphics at 26-internal/com.sun.javafx.tk.RenderJob.run(RenderJob.java:58)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1090)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:614)
	at javafx.graphics at 26-internal/com.sun.javafx.tk.quantum.QuantumRenderer$PipelineRunnable.run(QuantumRenderer.java:122)
	at java.base/java.lang.Thread.run(Thread.java:1474)
</pre>
</details>

<details>
<summary><code>assertLocked()</code> exception</summary>
<pre>
java.lang.NullPointerException: Cannot invoke "com.sun.prism.Texture.assertLocked()" because "this.maskTex" is null
	at javafx.graphics at 26-internal/com.sun.prism.impl.BaseContext.updateMaskTexture(BaseContext.java:271)
	at javafx.graphics at 26-internal/com.sun.prism.impl.ps.BaseShaderGraphics.renderShape(BaseShaderGraphics.java:506)
	at javafx.graphics at 26-internal/com.sun.prism.impl.BaseGraphics.fill(BaseGraphics.java:424)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderBackgroundShape(NGRegion.java:710)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderAsShape(NGRegion.java:662)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:573)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.renderOpacity(NGNode.java:2323)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2051)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2063)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2063)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2063)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NodeEffectInput.getImageDataForBoundedNode(NodeEffectInput.java:237)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NodeEffectInput.filter(NodeEffectInput.java:131)
	at javafx.graphics at 26-internal/com.sun.scenario.effect.FilterEffect.filter(FilterEffect.java:185)
	at javafx.graphics at 26-internal/com.sun.scenario.effect.Offset.filter(Offset.java:160)
	at javafx.graphics at 26-internal/com.sun.scenario.effect.Merge.filter(Merge.java:148)
	at javafx.graphics at 26-internal/com.sun.scenario.effect.DelegateEffect.filter(DelegateEffect.java:70)
	at javafx.graphics at 26-internal/com.sun.scenario.effect.impl.prism.PrEffectHelper.render(PrEffectHelper.java:166)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.EffectFilter.render(EffectFilter.java:61)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.renderEffect(NGNode.java:2350)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2060)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2063)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2063)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2063)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.renderForClip(NGNode.java:2279)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.renderRectClip(NGNode.java:2186)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.renderClip(NGNode.java:2213)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2057)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2063)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2063)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2063)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2063)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:266)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2063)
	at javafx.graphics at 26-internal/com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1955)
	at javafx.graphics at 26-internal/com.sun.javafx.tk.quantum.ViewPainter.doPaint(ViewPainter.java:481)
	at javafx.graphics at 26-internal/com.sun.javafx.tk.quantum.ViewPainter.paintImpl(ViewPainter.java:321)
	at javafx.graphics at 26-internal/com.sun.javafx.tk.quantum.PresentingPainter.run(PresentingPainter.java:92)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:545)
	at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:369)
	at javafx.graphics at 26-internal/com.sun.javafx.tk.RenderJob.run(RenderJob.java:58)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1090)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:614)
	at javafx.graphics at 26-internal/com.sun.javafx.tk.quantum.QuantumRenderer$PipelineRunnable.run(QuantumRenderer.java:122)
	at java.base/java.lang.Thread.run(Thread.java:1474)
</pre>
</details>

-------------

PR Comment: https://git.openjdk.org/jfx/pull/1951#issuecomment-3490661072

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