Thanks for the replies! I was able to use the provided answers to get a setup working (maybe not the most efficiently). The main change I made was to switch to including the deploy jar in the image (rather than the default one).
I'm open to contributing to a "rules_flink" project. I don't know enough yet to help design it. On Sat, Jun 13, 2020 at 4:39 AM Till Rohrmann <trohrm...@apache.org> wrote: > Hi Dan, > > if you want to run a Flink job without specifying the main class via > `bin/flink run --class org.a.b.Foobar` then you have to add a MANIFEST.MF > file to your jar under META-INF and this file needs to contain `Main-Class: > org.a.b.Foobar`. > > Cheers, > Till > > On Fri, Jun 12, 2020 at 12:30 AM Austin Cawley-Edwards < > austin.caw...@gmail.com> wrote: > >> Hey all, >> >> Adding to Aaron's response, we use Bazel to build our Flink apps. We've >> open-sourced some of our setup here[1] though a bit outdated. There are >> definitely rough edges/ probably needs a good deal of work to fit other >> setups. We have written a wrapper around the `java_library` and >> `java_binary` and could do the same for `rules_scala`, though we just >> started using Bazel last November and have a lot to learn in terms of best >> practices there. >> >> If you're interested in contributing to a `rules_flink` project, I would >> be as well! >> >> Best, >> Austin >> >> [1]: https://github.com/fintechstudios/vp-operator-demo-ff-virtual-2020 >> >> On Thu, Jun 11, 2020 at 6:14 PM Aaron Levin <aaronle...@stripe.com> >> wrote: >> >>> Hi Dan, >>> >>> We use Bazel to compile our Flink applications. We're using >>> "rules_scala" (https://github.com/bazelbuild/rules_scala) to manage the >>> dependencies and produce jars. We haven't had any issues. However, I have >>> found that sometimes it's difficult to figure out exactly what Flink target >>> or dependency my application needs. >>> >>> Unfortunately I'm not sure what issue you're seeing here. I would guess >>> either your flink application wasn't compiled into the jar >>> you're executing. If you can paste the bazel target used to generate your >>> jar and how you're launching the application, that will be helpful >>> for diagnosis. >>> >>> On Thu, Jun 11, 2020 at 5:21 PM Dan Hill <quietgol...@gmail.com> wrote: >>> >>>> I took the Flink playground and I'm trying to swap out Maven for >>>> Bazel. I got to the point where I'm hitting the following error. I want >>>> to diff my code with an existing, working setup. >>>> >>>> Thanks! - Dan >>>> >>>> >>>> client_1 | >>>> org.apache.flink.client.program.ProgramInvocationException: >>>> Neither a 'Main-Class', nor a 'program-class' entry was found in the jar >>>> file. >>>> >>>> client_1 | at >>>> org.apache.flink.client.program.PackagedProgram.getEntryPointClassNameFromJar(PackagedProgram.java:596) >>>> >>>> client_1 | at >>>> org.apache.flink.client.program.PackagedProgram.<init>(PackagedProgram.java:190) >>>> >>>> client_1 | at >>>> org.apache.flink.client.program.PackagedProgram.<init>(PackagedProgram.java:128) >>>> >>>> client_1 | at >>>> org.apache.flink.client.cli.CliFrontend.buildProgram(CliFrontend.java:862) >>>> >>>> client_1 | at >>>> org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java:204) >>>> >>>> client_1 | at >>>> org.apache.flink.client.cli.CliFrontend.parseParameters(CliFrontend.java:1050) >>>> >>>> client_1 | at >>>> org.apache.flink.client.cli.CliFrontend.lambda$main$11(CliFrontend.java:1126) >>>> >>>> client_1 | at >>>> org.apache.flink.runtime.security.NoOpSecurityContext.runSecured(NoOpSecurityContext.java:30) >>>> >>>> client_1 | at >>>> org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1126) >>>> >>>
