RFR: 8223783: sun/net/www/http/HttpClient/MultiThreadTest.java sometimes detect threads+1 connections [v4]

[Daniel Fuchs]

On Wed, 23 Nov 2022 11:41:40 GMT, Daniel Fuchs <dfuchs at openjdk.org> wrote:

>> test/jdk/sun/net/www/http/HttpClient/MultiThreadTest.java line 183:
>> 
>>> 181:         try {
>>> 182:             Object lock = MultiThreadTest.getLock();
>>> 183:             List<MultiThreadTest> tests = new ArrayList<>();
>> 
>> this list is not used
>
> Good catch. That's a left over from some additional experiment.

I decided to follow up on your (offline) suggestion and actually join the client threads (later). I have also added a countdown latch to make the wait cleaner. As a result the END atomic long is no longer needed and a simple local variable can be used instead.

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PR: https://git.openjdk.org/jdk/pull/11268