We are an LGPL library and cannot back port Java 9 code...
--
Jody Garnett
On 3 January 2018 at 14:31, Vincent Privat <vincent.pri...@gmail.com> wrote:
> Hi Torben,
> Thank you for testing Java 9.
> We faced similar reprojection issues in JOSM unit tests two years ago.
> You can find valuable information (why it happens and how we solved the
> issues) in our bugtracker:
> https://josm.openstreetmap.de/ticket/11889
> https://josm.openstreetmap.de/ticket/13387
> https://josm.openstreetmap.de/ticket/11924#comment:91
>
> In short: Intel submitted a new native Math library in Java 9. It is
> faster and more precise, but not backward compatible with numeric results
> produced with Java 8 and older versions so you have to allow some
> difference. We also backported Java 9 Math.toDegrees/toRadians implementations
> into our code base to benefit from their accuracy and performance.
>
> Cheers,
> Vincent
>
> 2018-01-03 22:51 GMT+01:00 Torben Barsballe <tbarsba...@boundlessgeo.com>:
>
>> I have set up a Java 9 build on build.geoserver.org: https://b
>> uild.geoserver.org/view/geotools/job/geotools-java9
>> (also set up builds for geowebcache and geoserver, but those aren't
>> likely to be relevant until geotools builds on java 9)
>>
>> The build is set up on a shared workspace "/var/jenkins/workspace/java9",
>> with an isolated local data dir (using -Dmaven.repo.local) so that the
>> downstream builds can use upstream artifacts without contaminating other
>> builds.
>>
>> So far, the build seems to be running as intended, but is currently
>> failing tests on gt-epsg-wkt.
>>
>> Seems like envelopes are sufficiently different upon reprojection to show
>> as unequal.
>> A similar issue (also with Java 9) has already been reported here:
>> https://osgeo-org.atlassian.net/browse/GEOT-5899
>>
>> Torben
>>
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>
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