I know @Aaron Levin <aaronle...@stripe.com> is using `rules_scala` for building Flink apps, perhaps he can help us out here (and hope he doesn't mind the ping).
On Wed, May 12, 2021 at 4:13 PM Austin Cawley-Edwards < austin.caw...@gmail.com> wrote: > Yikes, I see what you mean. I also can not get `neverlink` or adding the > org.scala.lang artifacts to the deploy_env to remove them from the uber jar. > > I'm not super familiar with sbt/ scala, but do you know how exactly the > assembly `includeScala` works? Is it just a flag that is passed to scalac? > > I've found where rules_scala defines how to call `scalac`, but am lost > here[1]. > > Best, > Austin > > [1]: > https://github.com/bazelbuild/rules_scala/blob/c9cc7c261d3d740eb91ef8ef048b7cd2229d12ec/scala/private/rule_impls.bzl#L72-L139 > > On Wed, May 12, 2021 at 3:20 PM Salva Alcántara <salcantara...@gmail.com> > wrote: > >> Hi Austin, >> >> Yep, removing Flink dependencies is working well as you pointed out. >> >> The problem now is that I would also need to remove the scala library...by >> inspecting the jar you will see a lot of scala-related classes. If you >> take >> a look at the end of the build.sbt file, I have >> >> ``` >> // exclude Scala library from assembly >> assembly / assemblyOption := (assembly / >> assemblyOption).value.copy(includeScala = false) >> ``` >> >> so the fat jar generated by running `sbt assembly` does not contain >> scala-related classes, which are also "provided". You can compare the >> bazel-built jar with the one built by sbt >> >> ``` >> $ jar tf target/scala-2.12/bazel-flink-scala-assembly-0.1-SNAPSHOT.jar >> META-INF/MANIFEST.MF >> org/ >> org/example/ >> BUILD >> log4j.properties >> org/example/WordCount$$anon$1$$anon$2.class >> org/example/WordCount$$anon$1.class >> org/example/WordCount$.class >> org/example/WordCount.class >> ``` >> >> Note that there are neither Flink nor Scala classes. In the jar generated >> by >> bazel, however, I can still see Scala classes... >> >> >> >> -- >> Sent from: >> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/ >> >
