<AWT Dev> [10] RFR JDK-8190456: sanity/client/SwingSet/src/ComboBoxDemoTest.java failed with NPE from java.awt.EventQueue.getCurrentEventImpl()

[Muneer Kolarkunnu]

Hi All,

 

Please review fix for the below bug:

 

Bug: https://bugs.openjdk.java.net/browse/JDK-8190456

 

Webrev: http://cr.openjdk.java.net/~akolarkunnu/8190456/webrev.00/

 

This issue observed during SBR(Same Binary Run) execution of client sanity tests. Same exception observed from test case sanity/client/SwingSet/src/DialogDemoTest.java also. 
It is a random failure, observed 2 times in 1000 iterations.

In ComboBoxDemoTest, it is happening while changing the selection on a combo box.

In DialogDemoTest, it is happening during button press.

 

Fix: As currentEvent is a WeakReference, added null check for dispatchThread use case also, similar to fxAppThreadIsDispatchThread use case.

 

Regards,

Muneer
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