In MacOS Sierra you need to setup openSSL manually before running mvn package command. brew update brew install openssl This will install the openssl + development libraries / headers to /usr/local/opt/openssl but wont link them, even if you try brew link --force. But this will put the development headers and libraries in /usr/local/opt/openssl. So you should to the following before building it. export OPENSSL_ROOT_DIR=/usr/local/opt/openssl Then run the mvn package command ... View more