Integrated: 8270380: Change the default value of the java.security.manager system property to disallow

[Weijun Wang]

On Fri, 20 Aug 2021 22:44:34 GMT, Weijun Wang <weijun at openjdk.org> wrote:

> This change modifies the default value of the `java.security.manager` system property from "allow" to "disallow". This means unless it's explicitly set to "allow", any call to `System.setSecurityManager()` would throw an UOE.
> 
> This change was previously announced on the [jdk-dev alias](https://mail.openjdk.java.net/pipermail/jdk-dev/2021-May/005616.html) and is documented in [JEP 411](https://openjdk.java.net/jeps/411#Description).
> 
> The `AllowSecurityManager.java` and `SecurityManagerWarnings.java` tests are updated to confirm this behavior change. Two other tests are updated because they were added after JDK-8267184 and do not have `-Djava.security.manager=allow` on its `@run` line even it they need to install a `SecurityManager` at runtime.

This pull request has now been integrated.

Changeset: d589b664
Author:    Weijun Wang <weijun at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/d589b664cc809aea39ec094e99b1898df1bf3c19
Stats:     30 lines in 6 files changed: 5 ins; 8 del; 17 mod

8270380: Change the default value of the java.security.manager system property to disallow

Reviewed-by: lancea, mullan, rriggs

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PR: https://git.openjdk.java.net/jdk/pull/5204