Looks like you're using Apache Maven 3.5.2 while the instructions at https://github.com/jenkinsci/jenkins/blob/master/CONTRIBUTING.md say that you need at least Apache Maven 3.5.3. The failure message tells you what you'll need to do.
You need to download and install Apache Maven 3.5.4 from https://maven.apache.org/download.cgi Mark Waite On Wed, Oct 3, 2018 at 1:39 PM Gerry Storm <[email protected]> wrote: > I followed instructions in > https://wiki.jenkins.io/display/JENKINS/Building+Jenkins to build Jenkins > on my Ubuntu box. > > The build failed with the following error: > > Adding failure due to exception > org.apache.maven.enforcer.rule.api.EnforcerRuleException: 3.5.4+ required > to use Incrementals. > > See also attached file for details. > > -- > G > > -- > You received this message because you are subscribed to the Google Groups > "Jenkins Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/jenkinsci-users/bc6b1ec2-28ac-4d65-ac7f-b179483423cc%40googlegroups.com > <https://groups.google.com/d/msgid/jenkinsci-users/bc6b1ec2-28ac-4d65-ac7f-b179483423cc%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Jenkins Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-users/CAO49JtFGMH3EP5uPsyLoXZYiwbzjrC2bAfnSVsq%2BCNB1KDOi%2BQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
