====== Jenkins Build Automation ====== ===== Docker ===== ==== Troubleshooting ==== === ERROR: Build step failed with exception java.lang.NullPointerException: uri was not specified === [[https://plugins.jenkins.io/docker-build-step/|Docker-build-step plugin]] doesn't use the local Docker installation automatically.[(https://stackoverflow.com/a/54540105)] In //Manage Jenkins -> Configure System -> Docker Builder//, the Docker URL option is left blank. Fill it with ''%%unix:///var/run/docker.sock%%''.