Deploying these artifacts to MavenCentral manually: mvn gpg:sign-and-deploy-file -DpomFile=lombok-ast-0.2.1.pom -Dfile=lombok-ast-0.2.1.jar -DrepositoryId=sonatype-nexus-staging -Durl=https://oss.sonatype.org/service/local/staging/deploy/maven2/ -Dsources=lombok-ast-0.2.1-sources.jar -Djavadoc=lombok-ast-0.2.1-javadoc.jar -Dgpg.keyname=???? -Dgpg.passphrase=???? 'sonatype-nexus-staging' refers to the server entry in ~/.m2/settings.xml which should look something like: <settings> <servers> <server> <id>sonatype-nexus-staging</id> <username>????</username> <password>????</password> </server> </servers> </settings> It is used to pass the login/password on https://oss.sonatype.org