RFR: 8280890: Cannot use '-Djava.system.class.loader' with class loader in signed JAR
Weijun Wang
weijun at openjdk.java.net
Fri Feb 4 19:33:10 UTC 2022
On Tue, 1 Feb 2022 21:54:29 GMT, Sean Mullan <mullan at openjdk.org> wrote:
> This fixes a bootstrapping issue if a custom system class loader is set with the `-Djava.system.class.loader` option and the custom class loader is inside a signed JAR. In order to load the custom class loader, the runtime must verify the signed JAR first, and the algorithm constraint code tries to load a `Locale` provider using a `ServiceLoader` before the class loader is set, and this causes a `ServiceConfigurationError`.
>
> The fix removes a dependency from the security algorithm "denyAfter" constraint parsing code on the `Calendar` API which uses a `ServiceLoader` for gathering default locale information. Instead the `ZonedDateTime` API is now used, which simplifies the code and removes some unnecessary code from `keytool` as well.
LGTM.
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Marked as reviewed by weijun (Reviewer).
PR: https://git.openjdk.java.net/jdk/pull/7316
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