RFR: JDK-8299470: sun/jvm/hotspot/SALauncher.java handling of negative rmiport args

Wed Jan 4 12:10:12 UTC 2023

On Mon, 2 Jan 2023 14:31:14 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> The test serviceability/sa/sadebugd/SADebugDTest.java can pass under some circumstances a negative rmiport (--rmiport -1) to SALauncher.java.
> This leads to a somewhat misleading message 
> `[debugd] Argument is expected for 'rmiport' `
> (we set an argument [-1] but probably this is not what is really expected) and additionally the real exception is not shown.
> Probably also a warning in case of negative rmiport values should be printed because they seem to lead to errors.

I adjusted the exception message a bit to show what is wrong (-1 as an argument is not expected/supported).
Removed one warning output because it seems we do not get there.

Any reviews ?

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PR: https://git.openjdk.org/jdk/pull/11811