[OSGeo-Discuss] Java 11 code sprint taking shape for October 22-26th

[Jody Garnett]

Excellent! I will set budget accordingly, goal being to gather if we can.

On Tue, Sep 18, 2018 at 1:02 AM María Arias de Reyna <delawen at gmail.com>
wrote:

> Hi,
>
> I have a tentative proposal from the local Java developer group here
> in Sevilla to host and participate with volunteers on the codesprint
> for GeoNetwork (which is where I can help most). Not sure how well
> this will go, as most of them has no GIS experience, but I'm excited!
>
> On Tue, Sep 18, 2018 at 9:58 AM Torsten Friebe <friebe at lat-lon.de> wrote:
> >
> > Hi Jody,
> >
> > thanks for setting up this code sprint. For the deegree project this
> > is very important too. Besides getting deegree ready for Java 11+ we
> > are also facing the issue that deegree code has dependencies to
> > Oracle's JAI and other outdated libraries.
> > I will share this with the deegree Developer mailing list and
> > hopefully we can join the code sprint.
> >
> > Cheers
> > Torsten
> >
> > Zitat von Jody Garnett <jody.garnett at gmail.com>:
> >
> > > When:  October 22-26th
> > > Where: North America (Victoria, BC), Europe (Italy or UK proposed),
> Oceania
> > > (recommendations welcome)
> > > Wiki: https://wiki.osgeo.org/wiki/Java_2018_Code_Sprint
> > >
> > > If you or your project is interested in taking part, even remotely,
> please
> > > add yourself to the above wiki page!
> > >
> > > The Java community has a challenge ahead, with recent policy changes
> > > setting the Java platform on a six-month release cycle. We also have
> > > a *python3
> > > moment* as our open source libraries are tasked with upgrading to the
> use
> > > of the "jigsaw" module system.
> > >
> > > Top level applications like GeoServer and GeoNetwork need to make some
> > > changes in order to run at all. Mostly this requires a dependency
> review,
> > > upgrading to new libraries such as Spring 5 that are compatible with
> Java
> > > 11. Many of these libraries are broken due to changes to how
> reflection is
> > > handled.
> > >
> > > Java libraries like JTS and GeoTools are put in an awkward position as
> a
> > > bottleneck on the safe use of the module system (see module hell
> problem
> > > <http://blog.joda.org/2017/05/java-se-9-jpms-automatic-modules.html>).
> A
> > > further complication for is a restriction preventing two jars from
> making
> > > use of the same package.
> > >
> > > Planning is currently underway:
> > >
> > >    - GSIP 171 Java 18.9 Compatibility
> > >    <https://github.com/geoserver/geoserver/wiki/GSIP-171> (GeoServer)
> > >    - Strategy for GeoNetwork
> > >
> > > <
> https://github.com/geonetwork/core-geonetwork/wiki/OSGeo-Java-codesprint-2018
> >
> > >    - Restructure GeoTools into Jigsaw modules
> > >
> > > <
> https://github.com/geotools/geotools/wiki/Restructure-GeoTools-into-Jigsaw-modules
> >
> > >
> > > Recommended reading:
> > >
> > >    - What Comes After JDK 8? <
> https://www.azul.com/what-comes-after-jdk-8/> -
> > >    java release cycle changes
> > >    - It's time! Migrating to Java 11
> > >
> > > <
> https://medium.com/criciumadev/its-time-migrating-to-java-11-5eb3868354f9>
> > > -
> > >    spring upgrade example
> > >    - The State of the Module System
> > >    <http://openjdk.java.net/projects/jigsaw/spec/sotms> - technical
> > >    background
> >
> >
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>
-- 
--
Jody Garnett
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