Great summary Andrea. Hugh we actually have a FAQ entry on using GeoTools in a shaded jar, or uber jar, some care is required to ensure you combine the META-INF/services files (so it is quite tricky to shade). -- Jody Garnett
On Mon, 8 Feb 2021 at 00:03, Andrea Aime <andrea.a...@geo-solutions.it> wrote: > Hi Hugh, > with the premise that I'm not a lawyer, I cannot think of a reason why you > could > not redistribute GeoTools binaries in a shaded jar. > > The LGPL does not require visibility of the project, or advertisement that > it's even > being used (it's just a nice to have), what is mandated, is that if you > redistribute > the binary, then you make the sources available as well (just point to the > github > tag for the version you're distributing), and if you make any change to > the GeoTools sources, > then the modified sources also need to be made available, and they are > still covered > by the LGPL. > > Cheers > Andrea > > > On Mon, Feb 8, 2021 at 7:54 AM Hugh Saalmans <hugh.saalm...@iag.com.au> > wrote: > >> Hi, >> >> >> >> I’d like to check there’s no issue from the OSGeo side making a set of >> shaded JARs with GeoTools embedded publicly available? I don’t know enough >> about the LGPL license to know what the impact is of combining Apache and >> LGPL licensed software into a set of binaries. >> >> >> >> The Apache Software Foundation allow this from their end, but won’t allow >> the binaries to be part of an ASF project’s official website or repo for >> the reasons below. >> >> >> >> *Background* >> >> >> >> Apache Sedona v1.0.0 (formerly GeoSpark) was released over the weekend, >> giving Apache Spark users access to “Spark native” geospatial functions and >> types. As some of you would know – it uses GeoTools under the hood. >> >> >> >> However, due to the Apache Software Foundation’s rule that LGPL licensed >> software can’t be included in official releases; the Sedona team can’t >> publish binaries that include GeoTools – knocking out a big chunk of Sedona >> functionality in the official binaries. >> >> >> >> To get full functionality – there’s a fair amount of complexity to >> install Sedona with Spark as it would require an end user to do a Maven >> build. I’m concerned that Pyspark users, with limited Java/Scala >> experience, will avoid Sedona for this reason. >> >> >> >> Hence, I’d like to host Apache Sedona shaded JARs with GeoTools embedded; >> in either AWS S3 or my employer’s public GitHub repo. …or is there a better >> place for them? >> >> >> >> Cheers, >> >> Hugh >> >> >> >> _____________________________________________________________________ >> >> The information transmitted in this message and its attachments (if any) >> is intended >> only for the person or entity to which it is addressed. >> The message may contain confidential and/or privileged material. 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