@g3o this seems to be the same issue you are having (Quil uses Processing under the hood) https://discourse.processing.org/t/error-hello-processing-jdk-10-osx-high-sierra-com-apple-eawt-quithandler-not-supported/1396

long story short: when on mac stick to Java 8 for now

oh, I have to downgrade then and retry. Thanks guys!