This is an FAQ. Solution is to disable AJP. See details in jira <https://issues.jenkins-ci.org/browse/JENKINS-33776>
Quote from above link for reference JENKINS_AJP_PORT="-1" in /etc/sysconfig/jenkins solved problem https://stackoverflow.com/questions/38157686/migrating-to-jenkins-2-1-ajp-support-is-removed-in-winstone-3-0-due-to-jetty-9/38157687#38157687?newreg=7aa149f6d35a4daba7b42a40dc52b935 在 2016年5月13日星期五 UTC+8下午6:21:37，Marcin Wieczorek写道： > > Ran into the same problem and finally found this: > https://issues.jenkins-ci.org/browse/JENKINS-33776 > > That solved it for me. > > Marcin > > On Thursday, May 12, 2016 at 2:48:45 AM UTC-7, David Aldrich wrote: >> >> Hi >> >> I have tried to upgrade our Jenkins test server from 1.656 to 2.3 by >> copying the 2.3 war to: >> >> /usr/lib/jenkins/ >> >> and restarting Jenkins using: >> >> sudo /etc/init.d/jenkins restart >> >> Now I cannot connect to Jenkins: >> >> "This site can't be reached >> jenkinstest.<snip> refused to connect." >> >> Any suggestions please? >> >> Best regards >> >> David >> >> -- 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/f710d409-474b-4708-84d4-8bec6ae8fee6%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
