@nikp what version of Clojure do you use? Shouldn't the problem be solved in Clojure 1.9 ? (https://dev.clojure.org/jira/browse/CLJ-2077)
See here too: https://stackoverflow.com/questions/46498861/leiningen-cannot-run-because-of-java-class-not-found-exception
Odd. Was 1.10