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From Rick Hillegas <>
Subject Re: SecurityManager in Java is being deprecated - Please try your Ant builds against JDK 17 EA builds
Date Thu, 17 Jun 2021 17:44:05 GMT
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,

by the email thread titled "blizzard of deprecation warnings related to 
JEP 411" on the mailing list, and by the 
last several comments on

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
> The initial changes around this are already available in an early 
> access release of JDK 17 which is available at
> Ant is one of the projects that will be impacted since we internally 
> deal with Java's SecurityManager APIs especially when the 
> "permissions" type 
> 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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