[jdk21u-dev] RFR: 8352533: Report useful IOExceptions when jspawnhelper fails

[duke]

On Wed, 3 Sep 2025 02:27:06 GMT, Rui Li <duke at openjdk.org> wrote:

> A clean backport for https://bugs.openjdk.org/browse/JDK-8352533
> 
> The current error message of jspawnhelper is only available in stdout, but not in IOException. Applications would miss the error message if stdout isn't captured. This change makes the error message available in exceptions.
> 
> The risk is relatively low. On tip for over 3 months. Tests are running.

@rgithubli 
Your change (at version 3f100a75fd1a103862cf516f391fd32290fbfeab) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jdk21u-dev/pull/2142#issuecomment-3266709545