Just pointing the maven plugin at https://github.com/eclipse/jetty.project fails like this: [INFO] Scanning for projects... Downloading: https://repo.maven.apache.org/maven2/org/eclipse/jetty/jetty-parent/25/jetty-parent-25.pom [ERROR] [ERROR] Some problems were encountered while processing the POMs: [FATAL] Non-resolvable parent POM for org.eclipse.jetty:jetty-project:9.3.14-SNAPSHOT: Could not transfer artifact org.eclipse.jetty:jetty-parent:pom:25 from/to central (https://repo.maven.apache.org/maven2): java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty and 'parent.relativePath' points at wrong local POM @ line 3, column 11 @ [ERROR] The build could not read 1 project -> [Help 1] [ERROR] [ERROR] The project org.eclipse.jetty:jetty-project:9.3.14-SNAPSHOT (/home/daniel/jetty.project/parts/jetty/build/pom.xml) has 1 error [ERROR] Non-resolvable parent POM for org.eclipse.jetty:jetty-project:9.3.14-SNAPSHOT: Could not transfer artifact org.eclipse.jetty:jetty-parent:pom:25 from/to central (https://repo.maven.apache.org/maven2): java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty and 'parent.relativePath' points at wrong local POM @ line 3, column 11 -> [Help 2] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException [ERROR] [Help 2] http://cwiki.apache.org/confluence/display/MAVEN/UnresolvableModelException