Old version of sbt-assembly didn't recognize 10 as an existing Java version number during build, crashing the build process by assertion. Bumping sbt version and sbt-assembly version fixes that. Now both builds and runs successfully on both Java 8 and Java 10.
Old version of sbt-assembly didn't recognize 10 as an existing Java version number during build, crashing the build process by assertion. Bumping sbt version and sbt-assembly version fixes that. Now both builds and runs successfully on both Java 8 and Java 10.