<AWT Dev> [10] RFR JDK-8088132:[Swing, singleThread] ClassCastException in nested event loop when showing multiple message dialogs in SwingNode

Sergey Bylokhov Sergey.Bylokhov at oracle.com
Wed Aug 23 16:01:07 UTC 2017

Hi, Prasanta.

On 16.08.2017 3:33, Prasanta Sadhukhan wrote:
> Now, since here FX App thread itself is the dispatch thread, we can be 
> sure the events are dispatched in sequence and dispose is checked below 
> after EDT.

Why we can sure about this? If the SequencedEvents were created in one 
order but dispatch() for each were called in other order then the 
sequenced will not be preserved?

> I have tested with couple of singleThread testcase without any issue.
> Regards
> Prasanta
> On 8/14/2017 10:07 PM, Sergey Bylokhov wrote:
>> Hi, Prasanta, Kevin.
>> I have two notes.
>>   - Does this option is really supported? If it is supported we should evaluate all usage of EventDispatchThread because in this mode the dispatch thread is not EDT. For example I am not sure that we can skip the code which expects EventDispatchThread.
>>   - We have the similar pattern: "EventQueue.isDispatchThread() -> cast(EventDispatchThread)" in some other places like in DefaultKeyboardFocusManager.
>> -----prasanta.sadhukhan at oracle.com  wrote:
>>> Hi All,
>>> Please review this fix
>>> http://cr.openjdk.java.net/~psadhukhan/fx/8088132/webrev.00/
>>> for an fx issue
>>> https://bugs.openjdk.java.net/browse/JDK-8088132
>>> More info in JBS.
>>> Regards
>>> Prasanta

Best regards, Sergey.

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