On Mon, 23 Aug 2021 12:09:42 GMT, Weijun Wang <wei...@openjdk.org> wrote:
> > Would this then allow the security manager to be used? In other words, can > > the value of `java.security.manager` be changed dynamically at runtime or > > is it restricted to be set only at launch time (via command line arugment > > `-Djava.security.manager`)? > > Whether to allow a SecurityManager to be installed later is determined at > system initialization time, so there is no use to set it to "allow" inside a > program. See > > https://github.com/openjdk/jdk/blob/3a690240336bda8582a15ca52f4dcb78be323dcd/src/java.base/share/classes/java/lang/System.java#L2191 > > The spec in `SecurityManager.java` uses the words "if the Java virtual > machine **is started with** the java.security.manager system property..." to > describe this. Thank you for that clarification @wangweij. ------------- PR: https://git.openjdk.java.net/jdk/pull/5204
