<AWT Dev> RFR [16] 8246248: TransferHandler.exportToClipboard prints stacktrace even if succeeded

[Philip Race]

No, not approved. This fix is using sun.util from inside Java,base.
We need to remove the existing cases of this usage. Not add new ones.

-phil.

On 7/20/20, 8:53 AM, Sergey Bylokhov wrote:
>
>
> Firstly, as the issue was observed with JPEG flavor with alpha 
> component, I have tested with regular JPEG image (without alpha) and 
> the image was copied onto the clipboard and no exception was thrown as 
> expected.
>
> Secondly, tested with JPEG flavor with alpha, there was no JPEG flavor 
> copied onto the clipboard as the support was removed/dropped and the 
> IOException is thrown as expected and is logged into the logger (seen 
> after enabling the logging). Please find the attached file for 
> reference. Please search for the log message "WARNING: Registered 
> service providers failed to encode".
>
> Also, there are datatransfer tests available which was run and there 
> were no new failures observed.
>
> This fix doesn't change any of the functionalities rather, cleans up 
> the code and logs the exception to the logger instead of printing the 
> same on the console.
>
> Best Regards,
> K Suman Rajkumaar