Adopt Project Jigsaw @ Bulgarian JUG

Ivan St. Ivanov at
Thu Oct 23 15:27:27 UTC 2014

Hi Alan,

Thanks for answering!

Yes, we've build the OpenJDK a lot of times now (some of the Adoption group
VM images were prepared by our JUG). And we are aware of what is going on
at the moment with JEP 200.

We will try to build the jigsaw/m2 forest and will get back to you.


On Thu, Oct 23, 2014 at 3:28 PM, Alan Bateman <Alan.Bateman at>

> On 22/10/2014 21:04, Ivan St. Ivanov wrote:
>> Hello again,
>> I'd like to ping you again. Our conference is approaching, we want to show
>> something real, but we are not sure what. :)
> Hello Ivan,
> Do you build OpenJDK? Just wondering if you are able to build the
> jigsaw/m2 forest? The jigsaw/m2 forest is where we are currently working to
> modularize the structure of the binary images created by build. The modular
> image was cited in JEP 200 and will have its own JEP shortly. There is lots
> to talk about there as changing the layout of the binary images is going to
> be somewhat disruptive. We know there is a lot of code and scripts that
> depend on the current layout or directly access rt.jar or tools.jar. In
> case it's not clear then the proposal is to do away with rt.jar and
> tools.jar and introduce a new container format for the modules, classes and
> resources that are linked into the image. This new container format will
> change over time and is not intended to be accessed directly. We hope to
> make EA builds available soon after the JEP is published so that's another
> way to try this out for those that don't build OpenJDK.
> -Alan.

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