RFR: 8352489: Relax jspawnhelper version checks to informative

[Aleksey Shipilev]

On Thu, 20 Mar 2025 10:09:31 GMT, Alan Bateman <alanb at openjdk.org> wrote:

> Something is very broken if the JDK is being overridden while in use. 

Yes, that was the original thinking for jspawnhelper version checks.

> So I don't think I agree that relaxing the check is the right thing to do, it's not fixing the real issue.

I used to think the same, but with every new report we are seeing, I think we need to re-evaluate. From the bug: "To emphasize, this is not a bugfix, as version checks still a valid thing to do. This is merely a pragmatic concession to match the inconvenient, but hopefully only temporary broken state of the world." We can turn these version checks back to strong/fatal once the world catches up.

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PR Comment: https://git.openjdk.org/jdk/pull/24127#issuecomment-2739945430