Derby gets advance notice of new Open JDK distributions, so we have been
struggling with this change since the beginning of the week. Our
experience is being tracked by the Derby developer email thread
https://apache-database.10148.n7.nabble.com/JDK-17-is-now-in-Rampdown-Phase-One-td151971.html,
by the email thread titled "blizzard of deprecation warnings related to
JEP 411" on the security-...@openjdk.java.net mailing list, and by the
last several comments on https://issues.apache.org/jira/browse/DERBY-7110.
For us, this is a significant disruption, which we haven't sorted out
satisfactorily yet.
On 6/17/21 9:35 AM, Jaikiran Pai wrote:
Those of you who haven't yet heard, the upcoming JDK 17 release will
be deprecating (for future removal) the SecurityManager classes and
some of the related infrastructure. The complete details of this
proposed change are explained here https://openjdk.java.net/jeps/411.
The initial changes around this are already available in an early
access release of JDK 17 which is available at https://jdk.java.net/17/
Ant is one of the projects that will be impacted since we internally
deal with Java's SecurityManager APIs especially when the
"permissions" type
https://ant.apache.org/manual/Types/permissions.html is used in Ant
builds.
I think it would be good to hear from the users of Ant if/how they
will be impacted by these changes in the JDK and how severe that
impact will be. Please take a look at the JEP and even try out your
project builds using the latest early access of JDK and report any
issues that you might notice.
Please do remember that the proposed change for JDK 17 is making
SecurityManager deprecated for future removal and it is _not_ being
removed or its behaviour changed in JDK 17 (although you will start
seeing some diagnostic warning messages, from the JDK itself, bringing
to your attention this deprecation).
-Jaikiran
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