Ошибки Groovy

An illegal reflective access operation has occurred

groovy -v

WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by org.codehaus.groovy.reflection.CachedClass (file:/usr/share/groovy/lib/groovy-2.4.17.jar) to method java.lang.Object.finalize() WARNING: Please consider reporting this to the maintainers of org.codehaus.groovy.reflection.CachedClass WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Groovy Version: 2.4.17 JVM: 11.0.17 Vendor: Ubuntu OS: Linux

Это предупреждение удалось убрать сменив активную версию Java на 8 и задав переменную окружения JAVA_HOME

Советую сначала задать JAVA_HOME, этого может быть достаточно.