RFR: 8330523: Reduce runtime and improve efficiency of KeepAliveTest [v3]

[Christoph Langer]

On Wed, 24 Apr 2024 10:12:49 GMT, Daniel Jeliński <djelinski at openjdk.org> wrote:

>> Christoph Langer has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains four additional commits since the last revision:
>> 
>>  - Simplify the test further
>>  - Merge branch 'master' into JDK-8330523
>>  - Small further cleanup
>>  - JDK-8330523
>
> test/jdk/sun/net/www/http/HttpClient/KeepAliveTest.java line 113:
> 
>> 111: 
>> 112:     private CountDownLatch serverLatch = new CountDownLatch(1);
>> 113:     private Thread server;
> 
> this can be converted to a local variable easily

OK, did this and using virtual threads now.

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PR Review Comment: https://git.openjdk.org/jdk/pull/18817#discussion_r1578996480