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From "Rory O'Donnell" <>
Subject JDK 9 images are now modular with JDK 9 Early Access build 41
Date Tue, 09 Dec 2014 11:59:27 GMT
Hi Stefan,

The initial changesets for JEP 220: Modular Run-Time Images [1] are 
with JDK 9 early-access build 41 [2].

To summarize (please see the JEP for details):

     - The "jre" subdirectory is no longer present in JDK images.

     - The user-editable configuration files in the "lib" subdirectory
        have been moved to the new "conf" directory.

     - The endorsed-standards override mechanism has been removed.

     - The extension mechanism has been removed.

     - rt.jar, tools.jar, and dt.jar have been removed.

     - A new URI scheme for naming stored modules, classes, and resources
        has been defined.

     - For tools that previously accessed rt.jar directly, a built-in NIO
        file-system provider has been defined to provide access to the 
        and resource files within a run-time image.

More details are available at Mark Reinhold's latest blog entry [3]

Rgds, Rory


Rgds,Rory O'Donnell
Quality Engineering Manager
Oracle EMEA , Dublin, Ireland

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