On Thu, 17 Sep 2026 19:37:20 GMT, Kieran Farrell <[email protected]> wrote:
>> This patch adds a new jcmd diagnostic command, `VM.show_settings`, to make >> the existing -`XshowSettings` output available from a running VM. The >> command accepts the same sections as`XshowSettings` (all, vm, properties, >> locale, security, system, security:all, security:properties, >> security:providers, security:tls). >> >> HotSpot registers the new diagnostic command, validates the requested >> section, then calls into `sun.launcher.LauncherHelper` to reuse the existing >> show settings formatting and return the result as bytes for the jcmd stream. >> The VM settings path also passes hotspots `InitialHeapSize`, `MaxHeapSize`, >> and Java thread stack size into the Java helper. A new jcmd test covers VM, >> properties, security TLS, and invalid-input output. >> >> --------- >> - [x] I confirm that I make this contribution in accordance with the >> [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai). > > Kieran Farrell has updated the pull request incrementally with one additional > commit since the last revision: > > make security properties current and add extra jcmd output src/java.base/share/classes/jdk/internal/util/SecuritySettings.java line 26: > 24: */ > 25: > 26: package jdk.internal.util; Moving this out of sun.launcher is okay but probably not jdk.internal.util as this is not a utility class for use in wide areas of java.base. We may end up creating a "new" package for this is jdk.internal. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/31742#discussion_r4104497149
