RFR: 8300268 : ServerImpl allows too many idle connections when using sun.net.httpserver.maxIdleConnections [v3]

[Mark Sheppard]

On Tue, 7 Feb 2023 15:40:48 GMT, Darragh Clarke <duke at openjdk.org> wrote:

>> Currently there is a race condition that can allow for too many 'idleConnections' in `ServerImpl`
>> 
>> This PR adds a lock to make sure only one connection can be marked Idle at a time as well as a test that consistently failed before the change but which now passes.
>
> Darragh Clarke has updated the pull request incrementally with one additional commit since the last revision:
> 
>   addressed comments

should you have a look at IdleTimeoutTask also ?

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PR: https://git.openjdk.org/jdk/pull/12413