RFR: 8292381: java/net/httpclient/SpecialHeadersTest.java fails with "ERROR: Shutting down connection: HTTP/2 client stopped"

[Jaikiran Pai]

On Wed, 17 Aug 2022 17:06:12 GMT, Daniel Fuchs <dfuchs at openjdk.org> wrote:

> Please find here a change that improves SpecialHeadersTest. This test creates a large amount of ephemeral clients and has been observed running out of heap space in our CI once. This change updates the test to wait for the previous HttpClient to be eligible for garbage collection before it creates a new one. It also verifies that no outstanding operation are still running on the client by the time the client is released.

test/jdk/java/net/httpclient/SpecialHeadersTest.java line 284:

> 282:                 // will be an upgrade
> 283:                 if (shared != null) {
> 284:                     TRACKER.track(shared);

Is it intentional that we track a shared client when it is being reset, instead of tracking it when we create it (a few lines later)? This is unlike a non-shared instance which we track when we create one.

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PR: https://git.openjdk.org/jdk/pull/9908