RFR: 8373515: Migrate "test/jdk/java/net/httpclient/" to null-safe "SimpleSSLContext" methods [v4]

[Jaikiran Pai]

On Thu, 18 Dec 2025 13:53:15 GMT, Volkan Yazici <vyazici at openjdk.org> wrote:

>> Migrates `test/jdk/java/net/httpclient/` to null-safe `SimpleSSLContext` methods introduced in [JDK-8372661], which is a prerequisite for this change set.
>> 
>> [JDK-8372661]: https://bugs.openjdk.org/browse/JDK-8372661
>
> Volkan Yazici has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains six commits:
> 
>  - Merge remote-tracking branch 'upstream/master' into simpleSslHc
>  - Merge remote-tracking branch 'upstream/master' into simpleSslHc
>  - Make sure `get()` returns the same instance
>  - Restore `test/jdk/java/net/httpclient/` changes
>  - Reverted all changes and only kept `SimpleSSLContext` enhancements
>  - Overhaul `SimpleSSLContext` and its usages

test/jdk/java/net/httpclient/ALPNProxyFailureTest.java line 47:

> 45: public class ALPNProxyFailureTest extends ALPNFailureTest {
> 46: 
> 47:     private static final SSLContext context = SimpleSSLContext.findSSLContext();

Hello Volkan, there seems to be an oversight here - as far as I can see, the call to `SSLContext.setDefault(context)` is no longer being done after this change.

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PR Review Comment: https://git.openjdk.org/jdk/pull/28771#discussion_r2663789227