On Wed, 19 Nov 2025 17:14:51 GMT, Prasanta Sadhukhan <[email protected]>
wrote:
>> NPE is seen while accessing transient "scenePeer" variable between reads..
>> Fix is made to store it in a temp variable rather than reading it twice
>> since the value can change between successive reads in many places it is
>> accessed.
>> Also some debug logs added to be enabled via `jfxpanel.debug` property
>
> Prasanta Sadhukhan has updated the pull request incrementally with one
> additional commit since the last revision:
>
> Review comment + OutputRedirect
Updated test looks good with one additional suggestion.
tests/system/src/test/java/test/javafx/embed/swing/JFXPanelNPETest.java line 99:
> 97: Platform.runLater(() ->
> contentPane.setScene(webView.getScene()));
> 98: Thread.sleep(1);
> 99: }
The calls in the loop to the FX and AWT threads are asynchronous, so I
recommend adding the following after the loop to ensure that both threads are
finished with the work submitted in the loops:
// Wait for both threads to process the earlier runnables
SwingUtilities.invokeAndWait(() -> {});
Util.runAndWait(() -> {});
-------------
PR Review: https://git.openjdk.org/jfx/pull/1968#pullrequestreview-3484177788
PR Review Comment: https://git.openjdk.org/jfx/pull/1968#discussion_r2543122814