Please try it with the bsf.jar file from the Leap 15 repository Here is how I do it: > wget http://download.opensuse.org/distribution/leap/15.0/repo/oss/noarc/bsf-2.4.0-lp150.3.11.noarch.rpm > rpm2cpio bsf-2.4.0-lp150.3.11.noarch.rpm | cpio -idmv ./usr/share/doc/packages/bsf ./usr/share/doc/packages/bsf/AUTHORS.txt ./usr/share/doc/packages/bsf/CHANGES.txt ./usr/share/doc/packages/bsf/LICENSE.txt ./usr/share/doc/packages/bsf/NOTICE.txt ./usr/share/doc/packages/bsf/README.txt ./usr/share/doc/packages/bsf/RELEASE-NOTE.txt ./usr/share/doc/packages/bsf/TODO.txt ./usr/share/java/bsf.jar ./usr/share/maven-metadata/bsf.xml ./usr/share/maven-poms/JPP-bsf.pom 235 ������������ > jar -tvf ./usr/share/java/bsf.jar | grep JavaScriptEngine >