For the ratio behind this please see the companion CSR: https://bugs.openjdk.org/browse/JDK-8357180.
We plan to deprecate this in JDK 25 and to remove it in JDK 26. This patch just writes a deprecation message to stderr: 08:46:38 thomas@starfish java -Djdk.lang.Process.launchMechanism=VFORK SimpleSpawn ls VFORK MODE DEPRECATED The VFORK launch mechanism has been deprecated for being dangerous. It will be removed in a future java version. Either remove the jdk.lang.Process.launchMechanism property (preferred) or use FORK mode instead (-Djdk.lang.Process.launchMechanism=FORK). ... ------------- Commit messages: - deprecate-vfork Changes: https://git.openjdk.org/jdk/pull/25282/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25282&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8357179 Stats: 14 lines in 1 file changed: 10 ins; 2 del; 2 mod Patch: https://git.openjdk.org/jdk/pull/25282.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/25282/head:pull/25282 PR: https://git.openjdk.org/jdk/pull/25282
