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akka / akka-quickstart-scala.g8

A minimal seed template for an Akka with Scala build
https://developer.lightbend.com/guides/akka-quickstart-scala/index.html
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Won't run with OpenJDK 11.0.8 #54

Closed jdjohnston closed 4 years ago

jdjohnston commented 4 years ago

Per build.sbt: scalaVersion := "2.13.1" akkaVersion = "2.6.10"

This was run on Xubuntu 18.04 with OpenJDK 11.0.8.

To get a quickstart zip, I followed the directions at the Lightbend Tech Hub

When I tried to run sbt, there was an error message that at least Java 1.6+ was required. Somehow 11.0.8 was seen as less than 1.6 . I commented out the version check and everything ran fine.

Perhaps this is actually an issue with sbt, but the end result is that without poking around in sbt-dist/bin/sbt-launch-lib.bash, I wouldn't have been able to run the quickstart example.

raboof commented 4 years ago

That sounds weird. What version of the sbt script are you running? (sbt --version)?

jdjohnston commented 4 years ago

I'm away from my computer at the moment, but it was the sbt bundled with the quickstart code.

I'll check it & report back, but it will be a couple of days.

jdjohnston commented 4 years ago

The sbt (version 1.4.1) I have on $PATH works fine with the quickstart code, but the instructions I was following said to use the sbt in the zipfile.

./sbt --version just generates an error.

in the zipfile has 1 line: sbt.version=1.3.6

Instructions url: https://developer.lightbend.com/guides/akka-quickstart-scala/

raboof commented 4 years ago

Thanks for clarifying, I can indeed reproduce the problem with the sbt shipped in the .zip. I suspect we need to upgrade the sbt launcher we put in the zip.

Until that time, as a short-term solution, you can install a newer version of sbt yourself from https://www.scala-sbt.org/download.html and use that.

ignasi35 commented 4 years ago

Thanks for clarifying, I can indeed reproduce the problem with the sbt shipped in the .zip. I suspect we need to upgrade the sbt launcher we put in the zip.

Maybe even improve the CI build to use that script instead of the sbt command provided by the VM.

raboof commented 4 years ago

Maybe even improve the CI build to use that script instead of the sbt command provided by the VM.

This sbt command is added when the zip is created, so it's not yet available in the CI for this repo.

raboof commented 4 years ago

@jdjohnston this should now be fixed, thanks so much for the heads-up! feel free to ping if you see any further problems.

jdjohnston commented 4 years ago

@raboof , just confirming that it works on my computer as well

raboof commented 4 years ago

Great, thanks!