Integrated: 8291650: Add delay to ClassUnloadEventTest before exiting to give time for JVM to send all events before VMDeath

[Chris Plummer]

On Mon, 1 Aug 2022 21:02:39 GMT, Chris Plummer <cjplummer at openjdk.org> wrote:

> Near the end of the test, the debuggee forces a GC so ClassUnloadEvents will be generated, and then the debuggee immediately exits. However, the ClassUnloadEvents might not be sent out before the VMDeath is generated, and it prevents delivery of any more events. A short delay after the GC should give the JVM time to deliver the ClassUnloadEvents first.
> 
> Note, I was not able to reproduce this issue, so I'm not 100% sure this will fix it. It does turn up in CI testing, so this seems worth trying to see if we still see it during CI.

This pull request has now been integrated.

Changeset: a6564d49
Author:    Chris Plummer <cjplummer at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/a6564d495b6c2354b82cd49243d3c8793d95f2cb
Stats:     7 lines in 1 file changed: 7 ins; 0 del; 0 mod

8291650: Add delay to ClassUnloadEventTest before exiting to give time for JVM to send all events before VMDeath

Reviewed-by: sspitsyn, amenkov

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PR: https://git.openjdk.org/jdk/pull/9708