Hi, Semyon.
Is it really necessary to catch ClassCastException? Can you try to test this functionality via -Dswing.bufferPerWindow. When this option is passed the backbuffer should be created automatically if supported.

On 04.09.15 14:03, Semyon Sadetsky wrote:
Hello,

Please review fix for JDK9:

bug: https://bugs.openjdk.java.net/browse/JDK-8134732
webrev: http://cr.openjdk.java.net/~ssadetsky/8134732/webrev.00/

It's a test bug: when the flip buffer is not available on the platform
its creation attempt causes exception.
Solution: ignore the exception.

--Semyon


--
Best regards, Sergey.

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