RFR: 8293696: java/nio/channels/DatagramChannel/SelectWhenRefused.java fails with "Unexpected wakeup" [v8]

[Darragh Clarke]

On Mon, 7 Nov 2022 16:28:11 GMT, Darragh Clarke <duke at openjdk.org> wrote:

>> Added logging to SelectWhenRefused for an intermittent failure caused by unexpected wakeups, this includes trying to receive data if there is any available to identify where it is coming from.
>> 
>> I also set the test to run in othervm mode which should reduce the chances of this failure happening in the first place.
>
> Darragh Clarke has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - removed dupe line
>  - refactoring and cleanup

Thanks for those suggestions, I've added them in

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PR: https://git.openjdk.org/jdk/pull/10851