RFR: 8296709: WARNING: JNI call made without checking exceptions [v2]

[Lutz Schmidt]

On Fri, 11 Nov 2022 15:33:20 GMT, Lutz Schmidt <lucy at openjdk.org> wrote:

>> This small change fixes a warning that may pop up during runtime. May I please request reviews? Thank you!
>
> Lutz Schmidt has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8296709: add testcase with active jdwp agent

I've added a separate test which does the same but with an active jdwp agent. The test will fail until the warning 
`WARNING: JNI local refs: 921, exceeds capacity: 32`
is fixed. I'm not sure how to do this. Just increasing the capacity doesn't seem to be the right thing.

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PR: https://git.openjdk.org/jdk/pull/11083