[ERROR] Failed to execute goal on project gapIt: Could not resolve dependencies for project lu.list:gapIt:jar:0.9.4: Failed to collect dependencies at junit:junit:jar:4.12: Failed to read artifact descriptor for junit:junit:jar:4.12: Could not transfer artifact junit:junit:pom:4.12 from/to central (http://repo1.maven.org/maven2): Transfer failed for http://repo1.maven.org/maven2/junit/junit/4.12/junit-4.12.pom 501 HTTPS Required -> [Help 1] [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/DependencyResolutionException Uploading artifacts for failed job ERROR: Job failed: exit code 1