I don't think so. Spark brings the Scala dependency, and I don't think the installed scalac matters in this respect. Darcy there was an open question about whether this enables you to back out the workaround you created for 2.12.6. I tried removing it and it failed again, so left it in as still needed. On Mon, Oct 1, 2018 at 10:20 PM Wenchen Fan <cloud0...@gmail.com> wrote: > > SGTM then. Is there anything we need to do to pick up the 2.12.7 upgrade? > like updating Jenkins config? > > On Tue, Oct 2, 2018 at 10:53 AM Sean Owen <sro...@apache.org> wrote: >> >> I tested both ways, and it actually works fine. It calls into question >> whether there's really a fix we need with 2.12.7, but, I hear two >> informed opinions (Darcy and the scala release notes) that it was >> relevant. As we have no prior 2.12 support, I guess my feeling was >> indeed to get this update in to the first 2.12-supporting release. >> >> On Mon, Oct 1, 2018 at 9:43 PM Wenchen Fan <cloud0...@gmail.com> wrote: >> > >> > My major concern is how it will affect end-users if Spark 2.4 is built >> > with Scala versions prior to 2.12.7. Generally I'm hesitating to upgrade >> > Scala version when we are very close to a release, and Scala 2.12 build of >> > Spark 2.4 is beta anyway. >> >
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